BUILD FLUENCY. EARN YOUR ASCENT.Sign in Year 4
Use place value to multiply and divide natural numbers by tens, hundreds and their multiples.
Free examples and worked answers. No account needed.
Practise the method.
Use place value to multiply and divide natural numbers by tens, hundreds and their multiples.
Use place value to multiply and divide natural numbers by tens, hundreds and their multiples.
Example 1
60×90= ?
Show worked answer
Answer: 5400
- 90 is 9 tens.
- 60×9=540; multiply this by 10 to get 5400.
Example 2
65×70= ?
Show worked answer
Answer: 4550
- 70 is 7 tens.
- 65×7=455; multiply this by 10 to get 4550.
Example 3
78×1000= ?
Show worked answer
Answer: 78000
- Multiplying by 1000 makes each digit worth 1000 times as much.
- 78×1000=78000.
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