New
New
Year 2
Recall doubles within 10
I can recall doubles within 10
New
New
Year 2
Recall doubles within 10
I can recall doubles within 10
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Lesson details
Key learning points
- When we double, we add two equal addends.
- When we halve, we subtract one of the equal amounts from its double.
- Halving is the inverse of doubling.
- If I know double 4 is 8, I know half of 8 is 4
Keywords
Double / Doubling - To become twice as many.
Half - One of two equal parts of a whole.
Halving - To divide into two equal parts.
Common misconception
Children may struggle to see that a double is two of the same thing.
Spend time exploring doubles that can be found in the children's immediate environment e.g. using their hands or playing a game of dominoes.
Representations of doubles should be displayed around the classroom for children to refer to when recalling. Ultimately, our aim is to support children to learn these facts to the point of automaticity.
Teacher tip
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
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6 Questions
Q1.
Complete the sentence. One more than 6 is ___
5
6
8
Q2.
Complete the sentence. One less than 5 is ___
3
5
6
Q3.
Which of these equations is the same as finding two more?
2 − 1 = ___
Q4.
Complete the sentence. Two less than 7 is ___
8
7
9
Q5.
Tick all the correct statements.
2 less than 5 is 7
6 is 2 more than 8
Q6.
Match the equation to the correct total.
7
10
6
4
Exit quiz
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6 Questions
Q1.
Which sentence describes what the bar model is representing?
Double 2 is 4
Duble 3 is 6
Q2.
What is being shown on this number frame?
Double 2 is 4
Q3.
Double 3 is 7 True or False?
True
Q4.
What halving equation is represented by the bar model?
Half 4 is 2
Half 8 is 4
Half 3 is 6
Q5.
Match the statements.
Half 6 is 3
Half 10 is 5
Half 2 is 1
Half 8 is 4
Q6.
Izzy had 8 pounds. She spent half of her money on a new pencil case. How much money does she have left?
6 pounds
8 pounds
2 pounds
Additional material
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