Starter quiz
- What is 100 more than 600?
- '700' ✓
- 300 + 300 = ______
- '600' ✓
- Which two multiples of 100 could complete the equation? ______ + ______ = 1,100
- 300
- 400
- 500 ✓
- 600 ✓
-
- What is the missing number? 600 + ______ = 1,000
- '400' ✓
- Match each equation to its sum.
- 800 + 800 =⇔1,600 ✓
- 700 + 800 =⇔1,500 ✓
- 900 + 800 =⇔1,700 ✓
- 600 + 800 =⇔1,400 ✓
- What number is missing from this equation? 900 + 400 = 700 + ______
- '600' ✓
Exit quiz
- What is one hundred less than 800?
- '700' ✓
- 800 − 600 = ______
- '200' ✓
- 600 − 300 = ______
- '300' ✓
Which symbol could be used to make this correct?- >
- <
- = ✓
-
- Match each equation to the correct difference.
- 1,000 − 300 =⇔700 ✓
- 1,200 − 600 =⇔600 ✓
- 1,100 − 200 =⇔900 ✓
- 900 − 100 =⇔800 ✓
What number would make this equation correct?- '900' ✓
Worksheet
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Presentation
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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.
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
Keywords
Multiple - A multiple is the result of multiplying a number by another whole number.
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