Use knowledge of doubling, halving and the 2 times table to solve problems
I can use knowledge of doubling, halving and the 2 times table to solve problems.
Use knowledge of doubling, halving and the 2 times table to solve problems
I can use knowledge of doubling, halving and the 2 times table to solve problems.
Lesson details
Key learning points
- Doubling is a multiplication where one of the factors is 2
- When one of the factors is 2, the other factor is half of the product.
- Doubles facts to 5 can help to double and halve 2-digit numbers.
Common misconception
Children may revert to inefficient strategies to solve problems e.g. counting on, using fingers.
Within the second learning cycle, children are encouraged to evaluate strategies used by others. The most efficient strategies should be discussed together throughout the first learning cycle to support with this.
Keywords
Double / Doubling - To become twice as many / to multiply by two.
Half / Halving - One of two equal parts of a whole / To divide into two equal parts.
Check - To evaluate working, ensuring our response provides an answer to the given problem.
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).
Video
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Starter quiz
6 Questions
6
10
7
20
Exit quiz
6 Questions
24
60
18
30
Half of 28 is equal to 14
Half of 14 is equal to 7
Half of 26 is equal to 13
Half of 80 is equal to 40
9
20
11
13