1. Math Puzzlesand Brain Teasers Presented by Kathleen Cotter Lawler Activities for Learning, Inc. 2012

2. Patterns Activities for Learning, Inc. 2012 3. Patterns Activities for Learning, Inc. 2012 4. Patterns Activities for Learning, Inc. 2012 5. Patterns Activities for Learning, Inc. 2012 6. Patterns Activities for Learning, Inc. 2012 7. Patterns Activities for Learning, Inc. 2012 8. Squares Activities for Learning, Inc. 2012 9. Squares Activities for Learning, Inc. 2012 10. Squares Activities for Learning, Inc. 2012 11. Squares Activities for Learning, Inc. 2012 12. Squares Activities for Learning, Inc. 2012 13. Squares 22 =4 Activities for Learning, Inc. 2012 14. Squares Activities for Learning, Inc. 2012 15. Squares Activities for Learning, Inc. 2012 16. Squares Activities for Learning, Inc. 2012 17. Squares Activities for Learning, Inc. 2012 18. Squares Activities for Learning, Inc. 2012 19. Squares 32=9 Activities for Learning, Inc. 2012 20. Squares Activities for Learning, Inc. 2012 21. Squares Activities for Learning, Inc. 2012 22. Squares Activities for Learning, Inc. 2012 23. Squares Activities for Learning, Inc. 2012 24. Squares Activities for Learning, Inc. 2012 25. Squares Activities for Learning, Inc. 2012 26. Squares Activities for Learning, Inc. 2012 27. Squares 42 = 16 Activities for Learning, Inc. 2012 28. Squares Activities for Learning, Inc. 2012 29. Squares 52 = 25 Activities for Learning, Inc. 2012 30. Squares Activities for Learning, Inc. 2012 31. Squares 62 = 36 Activities for Learning, Inc. 2012 32. Guided Discovery Activities for Learning, Inc. 2012 33. Guided DiscoveryTo encourage and guide the child todiscovery. Activities for Learning, Inc. 2012 34. Guided DiscoveryTo encourage and guide the child todiscovery.Ask questions, encouraging the child tofind the trick or secret pattern. Activities for Learning, Inc. 2012 35. Guided DiscoveryIt is vitally important that children thinkabout what they are doing and not besatisfied with memorizing a rule. Activities for Learning, Inc. 2012 36. Fractals Activities for Learning, Inc. 2012 37. Fractals Coined in 1975. Activities for Learning, Inc. 2012 38. Fractals Coined in 1975. Derived from the Latin fractus meaning"broken" or "fractured." Activities for Learning, Inc. 2012 39. Fractals Activities for Learning, Inc. 2012 40. Fractals How many purple triangles? Activities for Learning, Inc. 2012 41. Fractals Now how many purple triangles? Activities for Learning, Inc. 2012 42. Fractals How about now? Activities for Learning, Inc. 2012 43. Fractals Now how many purple triangles? Activities for Learning, Inc. 2012 44. Fractals Now how many purple triangles? Cotter Tens Fractal Activities for Learning, Inc. 2012 45. Fractals Activities for Learning, Inc. 2012 46. Fractals Activities for Learning, Inc. 2012 47. Fractals Activities for Learning, Inc. 2012 48. Fractals Activities for Learning, Inc. 2012 49. Fractals Activities for Learning, Inc. 2012 50. Fractals Activities for Learning, Inc. 2012 51. Fractals Activities for Learning, Inc. 2012 52. Asian Cultures In Asian cultures, families play withnumbers the way Americans play withwords. Activities for Learning, Inc. 2012 53. Asian Cultures In Asian cultures, families play withnumbers the way Americans play withwords. This is one reason why Asians tend tosucceed in math. Activities for Learning, Inc. 2012 54. Math Balance10 9 8 7 6 5 4 3 2 11 2 3 4 5 6 7 8 9 10 Activities for Learning, Inc. 2012 55. Math Balance10 9 8 7 6 5 4 3 2 1 1 2 3 4 5 6 7 8 9 10 10 = 3 + 7 Activities for Learning, Inc. 2012 56. Math Balance10 9 8 7 6 5 4 3 2 11 2 3 4 5 6 7 8 9 106+2=8 Activities for Learning, Inc. 2012 57. Math Balance10 9 8 7 6 5 4 3 2 1 1 2 3 4 5 6 7 8 9 10 three 4s = 10 + 2 Activities for Learning, Inc. 2012 58. Math Balance10 9 8 7 6 5 4 3 2 1 1 2 3 4 5 6 7 8 9 10 three 4s = 10 + 2 3 x 4 = 12 Activities for Learning, Inc. 2012 59. Math Balance10 9 8 7 6 5 4 3 2 1 1 2 3 4 5 6 7 8 9 10 three 4s = four 3s Activities for Learning, Inc. 2012 60. Math Balance10 9 8 7 6 5 4 3 2 1 1 2 3 4 5 6 7 8 9 10 three 4s = four 3s3x4=4x3 Activities for Learning, Inc. 2012 61. Math Balance10 9 8 7 6 5 4 3 2 11 2 3 4 5 6 7 8 9 10 what + 5 = 3 + 9 Activities for Learning, Inc. 2012 62. Math Balance10 9 8 7 6 5 4 3 2 11 2 3 4 5 6 7 8 9 10a+5=3+97+5=3+9 Activities for Learning, Inc. 2012 63. Puzzle Numbers Activities for Learning, Inc. 2012 64. Puzzle NumbersMake an equation using 3 4 2 5with mathematics symbols, = + x )/,keeping the numbers in the same order. Activities for Learning, Inc. 2012 65. Puzzle NumbersMake an equation using 3 + 4 = 2+ 5with mathematics symbols, = + x )/,keeping the numbers in the same order. Activities for Learning, Inc. 2012 66. Puzzle NumbersMake an equation using 3 4 2 5with mathematics symbols, = + x )/,keeping the numbers in the same order. Activities for Learning, Inc. 2012 67. Puzzle NumbersMake an equation using 3+ 4 2= 5with mathematics symbols, = + x )/,keeping the numbers in the same order. Activities for Learning, Inc. 2012 68. Puzzle NumbersMake an equation using 4 2 8 4with mathematics symbols, = + x )/,keeping the numbers in the same order. Activities for Learning, Inc. 2012 69. Puzzle NumbersMake an equation using 4 / 2= 8 / 4with mathematics symbols, = + x )/,keeping the numbers in the same order. Activities for Learning, Inc. 2012 70. Puzzle NumbersMake an equation using 4 2 8 4with mathematics symbols, = + x )/,keeping the numbers in the same order. Activities for Learning, Inc. 2012 71. Puzzle NumbersMake an equation using 4 2 = 8 4with mathematics symbols, = + x )/,keeping the numbers in the same order. Activities for Learning, Inc. 2012 72. Puzzle NumbersMake an equation using 4 2 8 4with mathematics symbols, = + x )/,keeping the numbers in the same order. Activities for Learning, Inc. 2012 73. Puzzle NumbersMake an equation using 4= 2) 8=4with mathematics symbols, = + x )/,keeping the numbers in the same order. Activities for Learning, Inc. 2012 74. Magic Squares Activities for Learning, Inc. 2012 75. Magic Squares Magic number is 15. Activities for Learning, Inc. 2012 76. Magic Squares Activities for Learning, Inc. 2012 77. Magic Squares Activities for Learning, Inc. 2012 78. Magic Squares Activities for Learning, Inc. 2012 79. Magic Squares Activities for Learning, Inc. 2012 80. Magic Squares Activities for Learning, Inc. 2012 81. Magic Squares Activities for Learning, Inc. 2012 82. Magic Squares Activities for Learning, Inc. 2012 83. Magic Squares Activities for Learning, Inc. 2012 84. Magic Squares Activities for Learning, Inc. 2012 85. Magic Squares Activities for Learning, Inc. 2012 86. Magic Squares Magic number is 0. Activities for Learning, Inc. 2012 87. Magic Squares Activities for Learning, Inc. 2012 88. Asian Cultures Asian language also plays a role with theirsuccess with math. Activities for Learning, Inc. 2012 89. Asian Cultures Asian language also plays a role with theirsuccess with math. They use a math way to name numbers. Activities for Learning, Inc. 2012 90. Math Way of Naming Numbers Activities for Learning, Inc. 2012 91. Math Way of Naming NumbersChildren often think of 14 as 14 ones, not ten and 4 ones. Activities for Learning, Inc. 2012 92. Math Way of Naming NumbersChildren often think of 14 as 14 ones, not ten and 4 ones.The pattern that is needed to makesense of tens and ones is hidden! Activities for Learning, Inc. 2012 93. Math Way of Naming Numbers 11 = ten 1 20 = 2-ten 12 = ten 2 21 = 2-ten 1 13 = ten 3 22 = 2-ten 2 14 = ten 4 23 = 2-ten 3.... .... 19 = ten 9....99 = 9-ten 9 Activities for Learning, Inc. 2012 94. Math Way of Naming Numbers Just as reciting the alphabet doesntteach reading, counting doesnt teacharithmetic. Activities for Learning, Inc. 2012 95. Math Way of Naming Numbers Just as reciting the alphabet doesntteach reading, counting doesnt teacharithmetic. Just as we first teach the sound of theletters, we first teach the name of thequantity (math way). Activities for Learning, Inc. 2012 96. Math Way of Naming Numbers 11 = ten 1 20 = 2-ten 12 = ten 2 21 = 2-ten 1 13 = ten 3 22 = 2-ten 2 14 = ten 4 23 = 2-ten 3.... .... 19 = ten 9....99 = 9-ten 9 Activities for Learning, Inc. 2012 97. Math Way of Naming Numbers Only 11 words are needed to count to 100 themath way, 28 in English. (All Indo-Europeanlanguages are non-standard in numbernaming.) Activities for Learning, Inc. 2012 98. Math Way of Naming Numbers Only 11 words are needed to count to 100 themath way, 28 in English. (All Indo-Europeanlanguages are non-standard in numbernaming.) Asian children learn mathematics using themath way of counting. Activities for Learning, Inc. 2012 99. Math Way of Naming Numbers Only 11 words are needed to count to 100 themath way, 28 in English. (All Indo-Europeanlanguages are non-standard in numbernaming.) Asian children learn mathematics using themath way of counting. They understand place value in first grade;only half of U.S. children understand placevalue at the end of fourth grade. Activities for Learning, Inc. 2012 100. Math Way of Naming Numbers Only 11 words are needed to count to 100 themath way, 28 in English. (All Indo-Europeanlanguages are non-standard in numbernaming.) Asian children learn mathematics using themath way of counting. They understand place value in first grade;only half of U.S. children understand placevalue at the end of fourth grade. Mathematics is the science of patterns. Thepatterned math way of counting greatly helpschildren learn number sense. Activities for Learning, Inc. 2012 101. Understanding Place Value 2-ten 2 0 Activities for Learning, Inc. 2012 102. Understanding Place Value 2-ten 2 0 Activities for Learning, Inc. 2012 103. Understanding Place Value 2-ten 2 0 Activities for Learning, Inc. 2012 104. Understanding Place Value 3-ten 2 0 3 Activities for Learning, Inc. 2012 105. Understanding Place Value 3-ten 2 0 3 Activities for Learning, Inc. 2012 106. Understanding Place Value 3-ten 2 0 3 Activities for Learning, Inc. 2012 107. Understanding Place Value 3-ten 7 2 0 3 7 Activities for Learning, Inc. 2012 108. Understanding Place Value 3-ten 7 3 7 2 0 Activities for Learning, Inc. 2012 109. Understanding Place Value 6-ten 2 0 6 Activities for Learning, Inc. 2012 110. Understanding Place Value 6-ten 2 2 0 6 2 Activities for Learning, Inc. 2012 111. Understanding Place Value 6-ten 2 6 2 2 0 Activities for Learning, Inc. 2012 112. Understanding Place Value 10-ten 1 0 0 Activities for Learning, Inc. 2012 113. Understanding Place Value 10-ten 1 0 0 Activities for Learning, Inc. 2012 114. Understanding Place Value 10-ten 1 0 0 Activities for Learning, Inc. 2012 115. Understanding Place Value 1 hundred 1 0 0 Activities for Learning, Inc. 2012 116. Understanding Place Value 1 hundred 1 0 0 Activities for Learning, Inc. 2012 117. Understanding Place Value 1 hundred 1 0 0 Activities for Learning, Inc. 2012 118. Understanding Place Value 1 hundred 1 0 0 Activities for Learning, Inc. 2012 119. Place Value Cards 3 03- ten3 0 0 3 hun-dred3 0 0 03 th- ou-sand Activities for Learning, Inc. 2012 120. Place Value Cards3 0 0 03 0 0 0 3 0 0 8 6 5 0 6 0 0 6 0 0 5 0 8 5 08 Activities for Learning, Inc. 2012 121. AL Abacus - Side 2 1000 100 10 1 Cleared Activities for Learning, Inc. 2012 122. AL Abacus - Side 2 1000 100 10 1 Thousands Activities for Learning, Inc. 2012 123. AL Abacus - Side 2 1000 100 10 1 Hundreds Activities for Learning, Inc. 2012 124. AL Abacus - Side 2 1000 100 10 1 Tens Activities for Learning, Inc. 2012 125. AL Abacus - Side 2 1000 100 10 1 Ones Activities for Learning, Inc. 2012 126. AL Abacus - Side 2 1000 100 10 1 8 + 6 Activities for Learning, Inc. 2012 127. AL Abacus - Side 2 1000 100 10 1 8 + 6 Activities for Learning, Inc. 2012 128. AL Abacus - Side 2 1000 100 10 1 8 + 6 Activities for Learning, Inc. 2012 129. AL Abacus - Side 2 1000 100 10 1 8 + 614 Activities for Learning, Inc. 2012 130. AL Abacus - Side 2 1000 100 10 1 8 + 614 Activities for Learning, Inc. 2012 131. AL Abacus - Side 2 1000 100 10 1 8 + 614 Activities for Learning, Inc. 2012 132. AL Abacus - Side 2 1000 100 10 1 8 + 614 Activities for Learning, Inc. 2012 133. AL Abacus - Side 2 1000 100 10 1 Why keep the two columns even? Activities for Learning, Inc. 2012 134. AL Abacus - Side 2 1000 100 10 1 Activities for Learning, Inc. 2012 135. AL Abacus - Side 2 1000 100 10 1 Do we need to trade? Activities for Learning, Inc. 2012 136. AL Abacus - Side 2 1000 100 10 1 Activities for Learning, Inc. 2012 137. AL Abacus - Side 2 1000 100 10 1 Activities for Learning, Inc. 2012 138. AL Abacus - Side 2 1000 100 10 1 Do we need to trade? Activities for Learning, Inc. 2012 139. Four Digit Addition 1000 100 10 1 3658 + 2738 Activities for Learning, Inc. 2012 140. Four Digit Addition 1000 100 10 1 3658 + 2738 Activities for Learning, Inc. 2012 141. Four Digit Addition 1000 100 10 1 3658 + 2738 Activities for Learning, Inc. 2012 142. Four Digit Addition 1000 100 10 1 3658 + 2738 Activities for Learning, Inc. 2012 143. Four Digit Addition 1000 100 10 1 3658 + 2738 Activities for Learning, Inc. 2012 144. Four Digit Addition 1000 100 10 1 3658 + 2738 Activities for Learning, Inc. 2012 145. Four Digit Addition 1000 100 10 1 3658 + 2738 Activities for Learning, Inc. 2012 146. Four Digit Addition 1000 100 10 1 3658 + 2738 Activities for Learning, Inc. 2012 147. Four Digit Addition 1000 100 10 1 3658 + 2738 Activities for Learning, Inc. 2012 148. Four Digit Addition 1000 100 10 1 3658 + 2738 Activities for Learning, Inc. 2012 149. Four Digit Addition 1000 100 10 1 3658 + 27386 Activities for Learning, Inc. 2012 150. Four Digit Addition 1000 100 10 1 1 3658 + 27386 Activities for Learning, Inc. 2012 151. Four Digit Addition 1000 100 10 1 1 3658 + 27386 Activities for Learning, Inc. 2012 152. Four Digit Addition 1000 100 10 1 1 3658 + 27386 Activities for Learning, Inc. 2012 153. Four Digit Addition 1000 100 10 1 1 3658 + 2738 96 Activities for Learning, Inc. 2012 154. Four Digit Addition 1000 100 10 1 1 3658 + 2738 96 Activities for Learning, Inc. 2012 155. Four Digit Addition 1000 100 10 1 1 3658 + 2738 96 Activities for Learning, Inc. 2012 156. Four Digit Addition 1000 100 10 1 1 3658 + 2738 96 Activities for Learning, Inc. 2012 157. Four Digit Addition 1000 100 10 1 1 3658 + 2738 96 Activities for Learning, Inc. 2012 158. Four Digit Addition 1000 100 10 1 1 3658 + 2738 96 Activities for Learning, Inc. 2012 159. Four Digit Addition 1000 100 10 1 1 3658 + 2738396 Activities for Learning, Inc. 2012 160. Four Digit Addition 1000 100 10 1 1 1 3658 + 2738396 Activities for Learning, Inc. 2012 161. Four Digit Addition 1000 100 10 1 1 1 3658 + 2738396 Activities for Learning, Inc. 2012 162. Four Digit Addition 1000 100 10 1 1 1 3658 + 2738396 Activities for Learning, Inc. 2012 163. Four Digit Addition 1000 100 10 1 1 1 3658 + 2738 6396 Activities for Learning, Inc. 2012 164. Four Digit Addition 1000 100 10 1 1 1 3658 + 2738 6396 Activities for Learning, Inc. 2012 165. Short Division Activities for Learning, Inc. 2012 166. Short Division 3) 4 7 1 Activities for Learning, Inc. 2012 167. Short Division 3) 4 7 1 Activities for Learning, Inc. 2012 168. Short Division1 3) 4 7 1 Activities for Learning, Inc. 2012 169. Short Division1 3) 4 7 1 1 Activities for Learning, Inc. 2012 170. Short Division15 3) 4 7 1 1 Activities for Learning, Inc. 2012 171. Short Division15 3) 4 7 1 2 1 Activities for Learning, Inc. 2012 172. Short Division15 7 3) 4 7 1 2 1 Activities for Learning, Inc. 2012 173. Short Division15 7 3) 4 7 1 2 1 Activities for Learning, Inc. 2012 174. Short Division 9) 8 0 5 3 Activities for Learning, Inc. 2012 175. Short Division 9) 8 0 5 3 Activities for Learning, Inc. 2012 176. Short Division8 9) 8 0 5 3 Activities for Learning, Inc. 2012 177. Short Division8 9) 8 0 5 3 8 Activities for Learning, Inc. 2012 178. Short Division89 9) 8 0 5 3 8 Activities for Learning, Inc. 2012 179. Short Division8 9 9) 8 0 5 3 8 4 Activities for Learning, Inc. 2012 180. Short Division8 94 9) 8 0 5 3 8 4 Activities for Learning, Inc. 2012 181. Short Division8 9 4 r7 9) 8 0 5 3 8 4 Activities for Learning, Inc. 2012 182. Short Division8 9 4 r7 9) 8 0 5 3 8 4 Activities for Learning, Inc. 2012 183. Short Division 4) 9 3 6 2 Activities for Learning, Inc. 2012 184. Short Division 4) 9 3 6 2 Activities for Learning, Inc. 2012 185. Short Division 4) 9 3 6 22 Activities for Learning, Inc. 2012 186. Short Division 4) 9 3 6 212 Activities for Learning, Inc. 2012 187. Short Division 4) 9 3 6 2123 Activities for Learning, Inc. 2012 188. Short Division 4) 9 3 6 21 123 Activities for Learning, Inc. 2012 189. Short Division 4) 9 3 6 21 1234 Activities for Learning, Inc. 2012 190. Short Division 4) 9 3 6 21 12340 Activities for Learning, Inc. 2012 191. Short Division 4) 9 3 6 2 1 12 3 4 0 r2 Activities for Learning, Inc. 2012 192. Short Division 4) 9 3 6 2 1 12 3 4 0 r2 Activities for Learning, Inc. 2012 193. Multivides Activities for Learning, Inc. 2012 194. Multivides Self-checking multiplication and division exercise. Activities for Learning, Inc. 2012 195. Multivides Self-checking multiplication and division exercise. Any remainder means a mistake was made somewhere. Activities for Learning, Inc. 2012 196. Multivides 7Start with anynumber.Multiply it by2 Activities for Learning, Inc. 2012 197. Multivides7 x2 14Start with anynumber.Multiply it by2 Activities for Learning, Inc. 2012 198. Multivides7 x2 14Start with any x3number.42Multiply it by2, then 3. . . Activities for Learning, Inc. 2012 199. Multivides 7x214Start with anyx3number. 42x4Multiply it by 1682, then 3,then 4. . . Activities for Learning, Inc. 2012 200. Multivides 7x214Start with anyx3number. 42x4Multiply it by 168x52, then 3, 840then 4, and x6on up5 040to 9. x735 280x8 282 240x9 2 540 160 Activities for Learning, Inc. 2012 201. Multivides7 x2 14Next divide thex3total by 2. . .42 x4168 x5840 x65 040 x7 35 280 x8282 240 x92 540 160 Activities for Learning, Inc. 2012 202. Multivides7 x2 14Next divide thex3 2)2 540 160total by 2. . .42 1 270 080 x4168 x5840 x65 040 x7 35 280 x8282 240 x92 540 160 Activities for Learning, Inc. 2012 203. Multivides 7x214Next divide byx3 2)2 540 1602, then 3. . .42 3)1 270 080x4 423 360 168x5 840x6 5 040x735 280x8 282 240x9 2 540 160 Activities for Learning, Inc. 2012 204. Multivides7 x2 14Next divide by x3 2)2 540 1602, then 3, then42 3)1 270 0804. . . x4 4)423 360168 105 840 x5840 x65 040 x7 35 280 x8282 240 x92 540 160 Activities for Learning, Inc. 2012 205. Multivides7 x2 14Next divide by x3 2)2 540 1602, then 3, then42 3)1 270 0804, on up to 9. x4 4)423 360168 5)105 840 x5 6)21 1688407)3 528 x68)5045 040 x79)63 35 280 7 x8282 240 x92 540 160 Activities for Learning, Inc. 2012 206. Multivides 7x214Final quotientx3 2)2 540 160must equal42 3)1 270 080startingx4 4)423 360number.168 5)105 840x56)21 168 840 7)3 528x6 8)504 5 040x79)6335 280 7x8 282 240x9 2 540 160 Activities for Learning, Inc. 2012 207. MultividesA multivide a daykeeps theflashcards away! Activities for Learning, Inc. 2012 208. Check Numbers Activities for Learning, Inc. 2012 209. Check Numbers Method to check answers. Activities for Learning, Inc. 2012 210. Check Numbers Method to check answers. Each number has a check number. Activities for Learning, Inc. 2012 211. Check Numbers34 Activities for Learning, Inc. 2012 212. Check Numbers34 3+4=7 Activities for Learning, Inc. 2012 213. Check Numbers34 (7) 3+4=7 Activities for Learning, Inc. 2012 214. Check Numbers28 Activities for Learning, Inc. 2012 215. Check Numbers282 + 8 = 10 Activities for Learning, Inc. 2012 216. Check Numbers28 2 + 8 = 10;1+0=1 Activities for Learning, Inc. 2012 217. Check Numbers28 (1) 2 + 8 = 10;1+0=1 Activities for Learning, Inc. 2012 218. Check Numbers 5635 Activities for Learning, Inc. 2012 219. Check Numbers 5635 5 + 6 = 11 and 3 + 5 = 8 Activities for Learning, Inc. 2012 220. Check Numbers 5635 5 + 6 = 11 and 3 + 5 = 8 1 + 1 = 2 + 8 = 10 Activities for Learning, Inc. 2012 221. Check Numbers 5635 5 + 6 = 11 and 3 + 5 = 8 1 + 1 = 2 + 8 = 10 1+0=1 Activities for Learning, Inc. 2012 222. Check Numbers 5635(1) 5 + 6 = 11 and 3 + 5 = 8 1 + 1 = 2 + 8 = 10 1+0=1 Activities for Learning, Inc. 2012 223. Check Numbers 56356 + 3 = 9 = 0 and 5 + 5 = 10 = 1 Activities for Learning, Inc. 2012 224. Check Numbers 5635(1)6 + 3 = 9 = 0 and 5 + 5 = 10 = 1 Activities for Learning, Inc. 2012 225. Check Numbers 5635(1)6 + 3 = 9 = 0 and 5 + 5 = 10 = 1 Activities for Learning, Inc. 2012 226. Check Numbers 7146 Activities for Learning, Inc. 2012 227. Check Numbers 7146 7 + 1 = 8 and 4 + 6 = 10 Activities for Learning, Inc. 2012 228. Check Numbers 7146 7 + 1 = 8 and 4 + 6 = 10 8+1+0=9=0 Activities for Learning, Inc. 2012 229. Check Numbers 7146(0) 7 + 1 = 8 and 4 + 6 = 10 8+1+0=9=0 Activities for Learning, Inc. 2012 230. Check Numbers Method to check answers. Each number has a check number. When you calculate equations, thecheck numbers of the numbers willbe the same as the check numberof the answer. Activities for Learning, Inc. 2012 231. Check Numbers 5635 + 28 Activities for Learning, Inc. 2012 232. Check Numbers 5635 + 28 5663 Activities for Learning, Inc. 2012 233. Check Numbers 5635(1) + 28 5663 Activities for Learning, Inc. 2012 234. Check Numbers 5635(1) + 28(1) 5663 Activities for Learning, Inc. 2012 235. Check Numbers 5635(1) + 28(1) 5663(2) Activities for Learning, Inc. 2012 236. Check Numbers 5635(1) + 28(1) 5663(2) Activities for Learning, Inc. 2012 237. Check Numbers8863+ 687 Activities for Learning, Inc. 2012 238. Check Numbers8863+ 687 9550 Activities for Learning, Inc. 2012 239. Check Numbers8863 (7)+ 687 9550 Activities for Learning, Inc. 2012 240. Check Numbers8863 (7)+ 687(3) 9550 Activities for Learning, Inc. 2012 241. Check Numbers8863 (7)+ 687(3) 9550(1) Activities for Learning, Inc. 2012 242. Check Numbers8863 (7)+ 687(3) 9550(1) Activities for Learning, Inc. 2012 243. Check Numbers7146 x 7 Activities for Learning, Inc. 2012 244. Check Numbers7146 x 7 50,022 Activities for Learning, Inc. 2012 245. Check Numbers7146 (0) x 7 50,022 Activities for Learning, Inc. 2012 246. Check Numbers7146 (0) x 7 (7) 50,022 Activities for Learning, Inc. 2012 247. Check Numbers7146 (0) x 7 (7) 50,022 (0) Activities for Learning, Inc. 2012 248. Check Numbers7146 (0) x 7 (7) 50,022 (0) Activities for Learning, Inc. 2012 249. Check Numbers )9 8053 Activities for Learning, Inc. 2012 250. Check Numbers 89r7 )9 80543 Activities for Learning, Inc. 2012 251. Check Numbers 89r7 (0) )9 80543 Activities for Learning, Inc. 2012 252. Check Numbers89r7 (0) )9 8 0 5 (7)43 Activities for Learning, Inc. 2012 253. Check Numbers (3) (7)89r7 (0) )9 8 0 5 (7)43 Activities for Learning, Inc. 2012 254. Check Numbers (3) (7)89r7 (0) )9 8 0 5 (7)43 (3) x Activities for Learning, Inc. 2012 255. Check Numbers (3) (7)89r7 (0) )9 8 0 5 (7)43 (3) x Activities for Learning, Inc. 2012 256. Simplifying Fractions Activitiesfor Learning, Inc. 2012 Activities for Learning, Inc. 2012 257. Simplifying Fractions Activitiesfor Learning, Inc. 2012 Activities for Learning, Inc. 2012 258. Simplifying Fractions Activitiesfor Learning, Inc. 2012 Activities for Learning, Inc. 2012 259. Simplifying Fractions Activitiesfor Learning, Inc. 2012 Activities for Learning, Inc. 2012 260. Simplifying Fractions 21 28 Activitiesfor Learning, Inc. 2012 Activities for Learning, Inc. 2012 261. Simplifying Fractions 21 28 Activitiesfor Learning, Inc. 2012 Activities for Learning, Inc. 2012 262. Simplifying Fractions 21 28 Activitiesfor Learning, Inc. 2012 Activities for Learning, Inc. 2012 263. Simplifying Fractions 45 72 Activitiesfor Learning, Inc. 2012 Activities for Learning, Inc. 2012 264. Simplifying Fractions 45 72 Activitiesfor Learning, Inc. 2012 Activities for Learning, Inc. 2012 265. Simplifying Fractions 45 72 Activitiesfor Learning, Inc. 2012 Activities for Learning, Inc. 2012 266. Simplifying Fractions 12 16 Activitiesfor Learning, Inc. 2012 Activities for Learning, Inc. 2012 267. Simplifying Fractions 12 16 Activitiesfor Learning, Inc. 2012 Activities for Learning, Inc. 2012 268. Simplifying Fractions 12 16 Activitiesfor Learning, Inc. 2012 Activities for Learning, Inc. 2012 269. Simplifying Fractions 12 16 Activitiesfor Learning, Inc. 2012 Activities for Learning, Inc. 2012 270. Simplifying Fractions 12 16 Activitiesfor Learning, Inc. 2012 Activities for Learning, Inc. 2012 271. Simplifying Fractions 12 16 Activitiesfor Learning, Inc. 2012 Activities for Learning, Inc. 2012 272. Problem Solving Activities for Learning, Inc. 2012 273. Problem SolvingA problem is not a problem if thesolution is obvious. Activities for Learning, Inc. 2012 274. Problem SolvingA problem is not a problem if thesolution is obvious.Japanese teachers discuss one problem indepth rather than four problemssuperficially. Activities for Learning, Inc. 2012 275. Problem SolvingA problem is not a problem if thesolution is obvious.Japanese teachers discuss one problem indepth rather than four problemssuperficially.They encourage multiple solutions. Activities for Learning, Inc. 2012 276. Problem SolvingA problem is not a problem if thesolution is obvious.Japanese teachers discuss one problem indepth rather than four problemssuperficially.They encourage multiple solutions.Wrong solutions are discussed. Activities for Learning, Inc. 2012 277. Problem SolvingA problem is not a problem if thesolution is obvious.Japanese teachers discuss one problem indepth rather than four problemssuperficially.They encourage multiple solutions.Wrong solutions are discussed.The students do not look for key words. Activities for Learning, Inc. 2012 278. Critical Thinkers Ellis, D. Becoming a Master Student, 1997. Activities for Learning, Inc. 2012 279. Critical ThinkersCritical Thinkers: distinguish between fact and opinion; Ellis, D. Becoming a Master Student, 1997. Activities for Learning, Inc. 2012 280. Critical ThinkersCritical Thinkers: distinguish between fact and opinion; ask questions; Ellis, D. Becoming a Master Student, 1997. Activities for Learning, Inc. 2012 281. Critical ThinkersCritical Thinkers: distinguish between fact and opinion; ask questions; make detailed observations; Ellis, D. Becoming a Master Student, 1997. Activities for Learning, Inc. 2012 282. Critical ThinkersCritical Thinkers: distinguish between fact and opinion; ask questions; make detailed observations; uncover assumptions and define their terms;and Ellis, D. Becoming a Master Student, 1997. Activities for Learning, Inc. 2012 283. Critical ThinkersCritical Thinkers: distinguish between fact and opinion; ask questions; make detailed observations; uncover assumptions and define their terms;andassertions based on sound logic and solidevidence. Ellis, D. Becoming a Master Student, 1997. Activities for Learning, Inc. 2012 284. How to Assist Critical Thinking Activities for Learning, Inc. 2012 285. How to Assist Critical ThinkingHow did you get your answer? Activities for Learning, Inc. 2012 286. How to Assist Critical ThinkingHow did you get your answer?Why did that work? Activities for Learning, Inc. 2012 287. How to Assist Critical ThinkingHow did you get your answer?Why did that work?Will that work every time? Activities for Learning, Inc. 2012 288. How to Assist Critical ThinkingHow did you get your answer?Why did that work?Will that work every time?Be quiet! Allow processing and thinking time. Activities for Learning, Inc. 2012 289. Math Puzzlesand Brain Teasers Presented by Kathleen Cotter Lawler Activities for Learning, Inc. 2012