1. © T Madas

2. QUICK TEST: Carry out the following multiplications without a calculator:
17 x 3 51
18 x 5 90
10 x 24
240
16 x 4 64
13 x 4 52
3 x 15 45
5 x 15 75
14 x 5 70
2 x 65
130
16 x 6 96
3 x 43
129
24 x 3 72
21 x 7
147
14 x 6 84
12 x 12
144
15 x 8
120
53 x 11
583
13 x 12
156
19 x 20
380
48 x 4
192
© T Madas

3. QUICK TEST: Carry out the following multiplications without a calculator:
18 x 3 54
28 x 5
140
5 x 24
120
16 x 8
128
13 x 5 65
8 x 15
120
5 x 23
115
14 x 15
210
3 x 65
195
16 x 8
128
4 x 61
244
24 x 6
144
45 x 9
405
35 x 6
210
13 x 13
169
25 x 16
400
43 x 11
473
14 x 12
168
24 x 20
480
21 x 21
441
© T Madas

4. © T Madas