Multiply by 10, 100 and 1000 1
Complete the table. Time yourself to see how quickly you can do all these multiplications. ×10
×100
×1000
9
90
900
9000
17
170
1700
17 000
28
280
2800
28 000
39
390
3900
39 000
66
660
6600
66 000
89
890
8900
89 000
101
1010
10 100
101 000
145
1450
14 500
145 000
865
8650
86 500
865 000
435
4350
43 500
435 000
234
2340
23 400
234 000
1234
12 340
123 400
1 234 000
4076
40 760
407 600
4 076 000
5999
59 990
599 900
5 999 000
9800
98 000
980 000
9 800 000
Mark: It took me ________________ to complete the table.
2
Swap with a partner. Check each other’s answers. Write a mark out of 15 at the bottom of each column.
Students’ own work see Student Book page 27 21