19/03/2016
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?
X
70
3
50
3500 150
8
560
24
3650
+ 584
4234
If no, here is a recap..!
25 x 35=
20 + 5
30 + 5
X
30
5
20
5
If no, here is a recap..!
25 x 35=
X
20
5
30
600
6
150
15
5
100
10
25
What next?
25 x 35=
X
20
5
30
600
150
5
100
25
6 0 0
1 5 0
1 0 0
+ 2 5
875
Try this one…
• Use the Grid Method of multiplication to work
out this question…
71 x 43 =
71 x 43 =
X
70
1
40
2800
28
40
3
210
21
3
71 x 43 =
X
70
1
40
2800
28
40
3
210
21
3
2800
210
40
+
3
2000
1000
50
+
3
3053
(2000 + 0)
(800 + 200)
(10 + 40)
(3 + 0)
LO: I can multiply a two digit number by another two digit number using the Grid Method.
Section A
Q1)
Q2)
Q3)
Q4)
Q5)
Q6)
Q7)
Q8)
Q9)
Q10)
92 x 50
18 x 98
17 x 87
58 x 39
53 x 44
22 x 70
51 x 32
43 x 71
93 x 68
21 x 53
Section B
=
=
=
=
=
=
=
=
=
=
Q1)
Q2)
Q3)
Q4)
Q5)
Q6)
Q7)
Q8)
Q9)
Q10)
92 x 139
87 x 166
82 x 185
66 x 158
46 x 136
28 x 102
93 x 165
99 x 151
64 x 191
21 x 117
Section C
=
=
=
=
=
=
=
=
=
=
Section D
Q1)
Q2)
Q3)
Q4)
Q5)
Q6)
Q7)
Q8)
A baker bakes twenty doughnuts per day, how many does he bake in a 2weeks?
Sam bought 138 rolls of paper. Each roll was 34m long. How long is it altogether?
Tom collected 57 stamps a week for 2 years. How many stamps did he collect?
Niamh eats 246 apples a year. How many does she eat in twelve years?
A Garden is 20m wide and its length is 187m. What is its total area?
Mr Senior swims 48 lengths a week, how many lengths does he swim a year?
If Fanta is packed in boxes of 67, how many cans will there be in 25 boxes?
Mrs Haddleton runs 12 laps of the field a week. How many laps in 3.5 years?
Q1)
Q2)
Q3)
Q4)
Q5)
Q6)
Q7)
Q8)
Q9)
Q10)
Q11)
Q12)
Q13)
Q14)
Q15)
Q16)
Q17)
Q18)
Q19)
Q20)
155 x 497
119 x 517
101 x 227
109 x 141
122 x 642
114 x 363
180 x 301
169 x 316
109 x 578
116 x 197
157 x 367
188 x 176
175 x 258
121 x 417
159 x 378
150 x 533
132 x 126
120 x 538
145 x 601
152 x 922
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
Answer Key
Section B
Section A
Q1)
Q2)
Q3)
Q4)
Q5)
Q6)
Q7)
Q8)
Q9)
Q10)
92
18
17
58
53
22
51
43
93
21
x
x
x
x
x
x
x
x
x
x
50 = 4600
98 = 1764
87 = 1479
39 = 2262
44 = 2332
70 = 1540
32 = 1632
71 = 3053
68 = 6324
53 = 1113
Q1)
Q2)
Q3)
Q4)
Q5)
Q6)
Q7)
Q8)
Q9)
Q10)
92x
87x
82x
66x
46x
28x
93x
99x
64x
21x
Section D
Q1)
Q2)
Q3)
Q4)
Q5)
Q6)
Q7)
Q8)
20 x 14 =280
138 x 34 =4692
57 x (52 x 2) =5928
246 x 12 =2952
187 x 20 =3740
48 x 52 =2496
67 x 25 =1675
12 x 182 =2184
139 = 12788
166 = 14442
185 = 15170
158 = 10428
136 = 6256
102 = 2856
165 = 15345
151 = 14949
191 = 12224
117 = 2457
Section C
Q1)
Q2)
Q3)
Q4)
Q5)
Q6)
Q7)
Q8)
Q9)
Q10)
Q11)
Q12)
Q13)
Q14)
Q15)
Q16)
Q17)
Q18)
Q19)
Q20)
155x
119x
101x
109x
122x
114x
180x
169x
109x
116x
157x
188x
175x
121x
159x
150x
132x
120x
145x
152x
497 = 77035
517 = 61523
227 = 22927
141 = 15369
642 = 78324
363 = 41382
301 = 54180
316 = 53404
578 = 63002
197 = 22852
367 = 57619
176 = 33088
258 = 45150
417 = 50457
378 = 60102
533 = 79950
126 = 16632
538 = 64560
601 = 87145
922 = 140144
Can you multiply three digit
numbers?
How would you set this one out?
124 x 45 =
124 x 45 =
X
100
20
40 4000 800
5
500 100
4000
800
1
6
0
4
500
100
160
+
20
4000
20
1500
+
80
5580
(4000 + 0)
(800+100+100+500)
(60+20)
Assessment
• Using the Grid Method of
multiplication, work out the answer
to these:
1. 46 x 25
2. 560 x 28
3. 245 x 152
Assessment Answers
Q1
40
6
20
800
120
5
200
30
800
120
200
30
1150
Q2
Q3
200
40
5
100
20000
4000
500
50
10000
2000
250
2
400
80
10
500
60
20
10000 1200
8
4000
20000
4000
500
10000
2000
250
400
80
10
37240
480
10000
1200
4000
480
15680