Multiplication By 10 And 5 Worksheet

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Multiplication by 10 and 5
Copy this sentence and fill in the missing words:
To multiply by 10 we add a 0 in the _____ column and all the other
digits move one column to the ____.
Now copy and answer these as quickly as you can :
1) 3x10=
2) 8x10=
3) 12x10=
4) 18x10=
5) 46x10=
6) 85x10=
7) 126x10=
8) 684x10=
9) 426x10=
10)1,567x10=
Copy this sentence:
To multiply by 5 we just multiply by 10 and then halve the answer.
E.g. 27x5= half of 270 = 135
Use the answers from the questions above to help you do these:
11) 3x5=
12) 8x5=
13) 12x5=
14) 18x5=
15) 46x5=
16) 85x5=
17) 126x5=
18) 684x5=
19) 426x5=
Now complete the following by multiplying by 10 and halving the
answer in your head.
20) 25x5=
21) 32x5=
22) 46x5=
23) 61x5=
24) 94x5=
25) 88x5=
26) 17x5=
27) 53x5=
28) 76x5=
How about these …..
29) 256x5=
30) 524x5=
31) 555x5=
32) 674x5=
33) 345x5=
34) 798x5=
35) 1999x5=
36) 14199x5=
37) 54321x5=

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