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Lesson 7 of 10
Double the numbers 6 to 9 and halve the result explaining what doubling and halving is
I can double the numbers 6 to 9 and halve the result explaining what doubling and halving is.
Lesson 7 of 10
New
New
Double the numbers 6 to 9 and halve the result explaining what doubling and halving is
I can double the numbers 6 to 9 and halve the result explaining what doubling and halving is.
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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
Keywords
Double - To multiply by 2. To have 2 of something.
Halve - To divide into two equal parts.
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.
When pupils halve, they should focus attention on the related doubling fact. Repetition of the stem sentence and use of the same representations will support this.
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 the missing part?
What is the missing part?
Q2.What is the missing whole?
What is the missing whole?
Q3.What is the missing whole?
What is the missing whole?
Q4.Laura partitions the number 19 into one part of 10 and another part. What is the missing part?
Laura partitions the number 19 into one part of 10 and another part. What is the missing part?
Q5.Complete the sentence. 6 can be partitioned into one part of 5 and one part of
Complete the sentence. 6 can be partitioned into one part of 5 and one part of
Q6.Match the equation to the correct sum.
Match the equation to the correct sum.
2
4
8
Assessment exit quiz
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6 Questions
Q1.What is double 5?
What is double 5?
Q2.What is double 8?
What is double 8?
Q3.What is the missing whole?
What is the missing whole?
Q4.Finish the sentence. I know that double 7 is 14 so half of 14 is
Finish the sentence. I know that double 7 is 14 so half of 14 is
Q5.What do the ten frames show?
What do the ten frames show?
Double 12 is 24
Q6.The two parts are the same size. What are they?
The two parts are the same size. What are they?
