LO: I can multiply a two digit number by another two digit number using the Grid Method.

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LO: I can multiply a two digit number by another two digit number using the 14/06/22

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27/10/2014. LO: I can multiply a two digit number by another two digit number using the Grid Method. Can you work this out by using the grid method?. 73 x 58=. Did you get it right?. If no, here is a recap..!. 25 x 35= 20 + 5 30 + 5. If no, here is a recap..!. 25 x 35=. 6. - PowerPoint PPT Presentation

Transcript of LO: I can multiply a two digit number by another two digit number using the Grid Method.

Page 1: LO: I can multiply a two digit number by another two digit number using the Grid Method.

LO: I can multiply a two digit number by another two digit number using the Grid Method.

20/04/23

Page 2: LO: I can multiply a two digit number by another two digit number using the Grid Method.

Can you work this out by using the grid method?

73 x 58=

Page 3: LO: I can multiply a two digit number by another two digit number using the Grid Method.

Did you get it right?

X 70 3

50 3500 150

8 560 24

3650

+ 584

4234

Page 4: LO: I can multiply a two digit number by another two digit number using the Grid Method.

If no, here is a recap..!

25 x 35=20 + 5 30 + 5

X 20 5

30

5

Page 5: LO: I can multiply a two digit number by another two digit number using the Grid Method.

If no, here is a recap..!

25 x 35=

X 20 5

30

5

6600 15150

10100 25

Page 6: LO: I can multiply a two digit number by another two digit number using the Grid Method.

What next?

25 x 35=

X 20 5

30 600 150

5 100 25

6 0 01 5 01 0 0

+ 2 5578

Page 7: LO: I can multiply a two digit number by another two digit number using the Grid Method.

Try this one…

• Use the Grid Method of multiplication to work out this question…

71 x 43 =

Page 8: LO: I can multiply a two digit number by another two digit number using the Grid Method.

71 x 43 =

X 70 1

40

3

282800 40

21210 3

Page 9: LO: I can multiply a two digit number by another two digit number using the Grid Method.

71 x 43 =

X 70 1

40

3

282800 40

21210 3

2 8 0 0 2 1 0 4 0

+ 32 0 0 0 (2000 + 0)

1 0 0 0 (800 + 200)

5 0 (10 + 40)

+ 3 (3 + 0)

3 0 5 3

Page 10: LO: I can multiply a two digit number by another two digit number using the Grid Method.

LO: I can multiply a two digit number by another two digit number using the Grid Method.

Section A Section B Section CQ1) 92 x 50 = Q1) 92 x 139 = Q1) 155 x 497 =Q2) 18 x 98 = Q2) 87 x 166 = Q2) 119 x 517 =Q3) 17 x 87 = Q3) 82 x 185 = Q3) 101 x 227 =Q4) 58 x 39 = Q4) 66 x 158 = Q4) 109 x 141 =Q5) 53 x 44 = Q5) 46 x 136 = Q5) 122 x 642 =Q6) 22 x 70 = Q6) 28 x 102 = Q6) 114 x 363 =Q7) 51 x 32 = Q7) 93 x 165 = Q7) 180 x 301 =Q8) 43 x 71 = Q8) 99 x 151 = Q8) 169 x 316 =Q9) 93 x 68 = Q9) 64 x 191 = Q9) 109 x 578 =

Q10) 21 x 53 = Q10) 21 x 117 = Q10) 116 x 197 = Q11) 157 x 367 =

Section D Q12) 188 x 176 =Q1) A baker bakes twenty doughnuts per day, how many does he bake in a 2weeks? Q13) 175 x 258 =Q2) Sam bought 138 rolls of paper. Each roll was 34m long. How long is it altogether? Q14) 121 x 417 =Q3) Tom collected 57 stamps a week for 2 years. How many stamps did he collect? Q15) 159 x 378 =Q4) Niamh eats 246 apples a year. How many does she eat in twelve years? Q16) 150 x 533 =Q5) A Garden is 20m wide and its length is 187m. What is its total area? Q17) 132 x 126 =Q6) Mr Senior swims 48 lengths a week, how many lengths does he swim a year? Q18) 120 x 538 =Q7) If Fanta is packed in boxes of 67, how many cans will there be in 25 boxes? Q19) 145 x 601 =Q8) Mrs Haddleton runs 12 laps of the field a week. How many laps in 3.5 years? Q20) 152 x 922 =

Page 11: LO: I can multiply a two digit number by another two digit number using the Grid Method.

Answer KeySection A Section B Section C

Q1) 92 x 50 = 4600 Q1) 92x 139 = 12788 Q1) 155x 497 = 77035Q2) 18 x 98 = 1764 Q2) 87x 166 = 14442 Q2) 119x 517 = 61523Q3) 17 x 87 = 1479 Q3) 82x 185 = 15170 Q3) 101x 227 = 22927Q4) 58 x 39 = 2262 Q4) 66x 158 = 10428 Q4) 109x 141 = 15369Q5) 53 x 44 = 2332 Q5) 46x 136 = 6256 Q5) 122x 642 = 78324Q6) 22 x 70 = 1540 Q6) 28x 102 = 2856 Q6) 114x 363 = 41382Q7) 51 x 32 = 1632 Q7) 93x 165 = 15345 Q7) 180x 301 = 54180Q8) 43 x 71 = 3053 Q8) 99x 151 = 14949 Q8) 169x 316 = 53404Q9) 93 x 68 = 6324 Q9) 64x 191 = 12224 Q9) 109x 578 = 63002

Q10) 21 x 53 = 1113 Q10) 21x 117 = 2457 Q10) 116x 197 = 22852 Q11) 157x 367 = 57619

Section D Q12) 188x 176 = 33088Q1) 20 x 14 =280 Q13) 175x 258 = 45150Q2) 138 x 34 =4692 Q14) 121x 417 = 50457Q3) 57 x (52 x 2) =5928 Q15) 159x 378 = 60102Q4) 246 x 12 =2952 Q16) 150x 533 = 79950Q5) 187 x 20 =3740 Q17) 132x 126 = 16632Q6) 48 x 52 =2496 Q18) 120x 538 = 64560Q7) 67 x 25 =1675 Q19) 145x 601 = 87145Q8) 12 x 182 =2184 Q20) 152x 922 = 140144

Page 12: LO: I can multiply a two digit number by another two digit number using the Grid Method.

Can you multiply three digit numbers?

How would you set this one out?

124 x 45 =

Page 13: LO: I can multiply a two digit number by another two digit number using the Grid Method.

124 x 45 =

X 100 20 4

40 4000 800 160

5 500 100 20

4 0 0 0 8 0 0 1 6 0 5 0 0 1 0 0

+ 2 04 0 0 0 (4000 + 0)

1 5 0 0 (800+100+100+500)

+ 8 0 (60+20)

5 5 8 0

Page 14: LO: I can multiply a two digit number by another two digit number using the Grid Method.

Assessment

• Using the Grid Method of multiplication, work out the answer to these:

1. 46 x 252. 560 x 283. 245 x 152

Page 15: LO: I can multiply a two digit number by another two digit number using the Grid Method.

Assessment AnswersQ1 40 6

20 800 120

5 200 30

800120200

301150

Q2 500 60

20 10000 1200

8 4000 480

1000012004000

48015680

Q3 200 40 5

100 20000 4000 500

50 10000 2000 250

2 400 80 10

200004000

50010000

2000250400

8010

37240