Use knowledge of the composition of 100 to multiply and divide by 100 in different ways
I can use knowledge of the composition of 100 to multiply and divide by 100 in different ways
Use knowledge of the composition of 100 to multiply and divide by 100 in different ways
I can use knowledge of the composition of 100 to multiply and divide by 100 in different ways
These resources will be removed by end of Summer Term 2025.
Lesson details
Key learning points
- 100 is ten groups of ten or ten times ten.
- Multiplying by 100 is equivalent to multiplying by 10 and then multiplying by 10 again.
- Each time you multiply by 10 the digits move one place to the left in the place value chart.
Keywords
Placeholder - A placeholder is where we use the digit 0 to hold a place in a number and maintain place value.
Digit - A digit is one of the symbols of a number system. In our number system we use the digits 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9
Common misconception
Pupils may not have much experience in using a Gattegno chart.
Consider pre-teaching for children who lack confidence using Gattegno chart.
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).
Lesson video
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Starter quiz
6 Questions
Exit quiz
6 Questions
2 × 10 × 10
20 × 100
2,000 ÷ 10 ÷ 10
200 ÷ 10 ÷ 10
12 × 10 × 10
8 × 100
8,400 ÷ 10 ÷ 10
500 ÷ 10 ÷ 10