Lesson 2 like terms
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Transcript of Lesson 2 like terms
Adding and subtracting like terms activities!
Prelim. General Maths Topic 1
Algebra Lesson 2
1) a + a + a + a =2) 3a x 2b =3) c x c =4) 4d + 2e - d + 3e =5) 8f - 3g + 2f - 6g =6) 5y - y = 7) Find the perimeter of this shape
8) b x b x b x b =9) 3(2k + 3) =10) a(a + 3) =
a
b
1) a + a + a + a = 4a2) 3a x 2b = 5ab3) c x c = 2c4) 4d + 2e - d + 3e = 3d + 5e5) 8f - 3g + 2f - 6g = 10f - 3g6) 5y - y = 57) Find the perimeter of this shape
a2b2
8) b x b x b x b = b4
9) 3(2k + 3) = 6k + 310) a(a + 3) = a2 + 3a
a
b
Memory games• Do not use this as a power point presentation (i.e.
do not go to view show), use it as it is now.
• Click on the slide down the side to select the topic.
• You can drag the blue squares away and put them at the side. If pupils find a pair leave the blue squares at the side. If they don’t then drag the blue squares back to where they were or press ctrl Z twice.
• Please do not save any changes if prompted to as the blue squares will not be in the correct position if somebody else wants to use it.
4321
A
B
C a x a
a x b x c
2p + q ab + ba abc
2ab
3a p + p + q
a2
2x x 3y
6xy
a + a + a
Algebra 1
4321
A
B
C 7a x 2a
6a x 3b
3(a + b) 3a +3b 10a2b
2a x 5b x a
18ab 30abc
14a2
a(2a + 3)
2a2 +3a
2a x 3b x 5c
Algebra 2
7
Treasure Hunt!
• Play the Like terms treasure hunt - once you find your match join up with them and walk around trying to find your other match!
• Now create your own like terms treasure hunt. - but make it 22 cards!
• When you are finished upload it to Moodle - in the Like terms treasure Hunt spot!
7
8
Homework
• Finish your like terms treasure hunt and upload to Moodle
• If you are unsure of the techniques of simplifying algebra watch the screencasts from this lesson.– Like terms - adding and subtracting– simplifying expressions with multiplication and
division
• Complete at least questions from Worksheet 5.2, 5.3 & 5.4 8