Starter quiz
- What is the missing part?
- '2' ✓
- What is the missing whole?
- '6' ✓
- What is the missing whole?
- '8' ✓
- Laura partitions the number 19 into one part of 10 and another part. What is the missing part?
- '9' ✓
- Complete the sentence. 6 can be partitioned into one part of 5 and one part of ______
- '1' ✓
- Match the equation to the correct sum.
- 1 + 1 =⇔2 ✓
- 2 + 2 =⇔4 ✓
- 4 + 4 =⇔8 ✓
Exit quiz
- What is double 5?
- '10' ✓
- What is double 8?
- '16' ✓
- What is the missing whole?
- '18' ✓
- Finish the sentence. I know that double 7 is 14 so half of 14 is ______
- '7' ✓
- What do the ten frames show?
- Double 6 is 12 ✓
- Double 12 is 24
- 6 + 6 = 12 ✓
- Half of 12 is 6 ✓
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- The two parts are the same size. What are they?
- '8' ✓
Worksheet
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Presentation
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Lesson Details
Key learning points
- Recall doubling and halving facts to 10
- Doubling the numbers 6-9 gives an even teen number.
- Halving an even teen number gives a number from 6-9
Common misconception
If pupils are not more fluent in their doubling facts within 5 they may struggle to efficiently double and halve larger numbers.
Provide examples of doubling facts within 5 using representations such as ten frames to support learners.
Keywords
Double - To multiply by 2. To have 2 of something.
Halve - To divide into two equal parts.
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