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Lesson 4 of 5
Use different strategies to subtract multiples of 100
I can use different strategies to subtract multiples of 100
Lesson 4 of 5
New
New
Use different strategies to subtract multiples of 100
I can use different strategies to subtract multiples of 100
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Lesson details
Key learning points
- Known facts help us to subtract multiples of 100
- If 5 subtract 3 is equal to 2 then 5 hundred subtract 3 hundred is equal to 2 hundred.
- Subtracting multiples of 100 can be represented in different ways.
Keywords
Multiple - A multiple is the result of multiplying a number by another whole number.
Common misconception
Pupils may not see the connection between known facts and calculating using multiples of one hundred.
Place value counters or Base 10 blocks may be helpful with getting children to unitise and see the connection between, for example, 14 − 7 and 1,400 − 700
Pupils may find number lines helpful for this session (number lines counting in multiples of 100 up to 2,000), Pupils could use ten frames and place value counters instead. Encourage pupils to discuss strategies for calculating subtraction with multiples of 100, especially with numbers over 1000
Teacher tip
Licence
This content is © Oak National Academy Limited (2025), 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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Prior knowledge starter quiz
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6 Questions
Q1.What is 100 more than 600?
What is 100 more than 600?
Q2.300 + 300 =
300 + 300 =
Q3.Which two multiples of 100 could complete the equation?
+ = 1,100
Which two multiples of 100 could complete the equation?
+ = 1,100
300
400
Q4.What is the missing number?
600 + = 1,000
What is the missing number?
600 + = 1,000
Q5.Match each equation to its sum.
Match each equation to its sum.
1,600
1,500
1,700
1,400
Q6.What number is missing from this equation? 900 + 400 = 700 +
What number is missing from this equation? 900 + 400 = 700 +
Assessment exit quiz
Download quiz pdf
6 Questions
Q1.What is one hundred less than 800?
What is one hundred less than 800?
Q2.800 − 600 =
800 − 600 =
Q3. 600 − 300 =
600 − 300 =
Q4.Which symbol could be used to make this correct?
Which symbol could be used to make this correct?
>
<
Q5.Match each equation to the correct difference.
Match each equation to the correct difference.
700
600
900
800
Q6.What number would make this equation correct?
What number would make this equation correct?
