Understand that dividing a number by 10 makes it one-tenth times the size
I can understand that dividing a number by 10 makes it ten times smaller or one tenth the size
Understand that dividing a number by 10 makes it one-tenth times the size
I can understand that dividing a number by 10 makes it ten times smaller or one tenth the size
Lesson details
Key learning points
- 1 is ten times smaller than 10 or one tenth the size.
- Dividing by ten makes the number ten times smaller or one tenth the size.
- Dividing by ten is the inverse of multiplying by ten.
Common misconception
One-tenth times the size may be a confusing phrase to use because pupils are used to seeing an increase when using '___ times as many'.
Ensure that children understand that a one is one-tenth times the size of a ten. Base 10 is an excellent resource for this. Then gradually increase the ones and the corresponding tens.
Keywords
Scaling - Scaling is when a given quantity is made ___ times the size.
Inverse - Inverse means the opposite in effect or the reverse of.
Licence
This content is © Oak National Academy Limited (2024), licensed on Open Government Licence version 3.0 except where otherwise stated. See Oak's terms & conditions (Collection 2).
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Starter quiz
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360
230
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6
8
2
12