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Year 2

Explain the relationship between adjacent multiples of 2

I can explain the relationship between adjacent multiples of 2

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New
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Year 2

Explain the relationship between adjacent multiples of 2

I can explain the relationship between adjacent multiples of 2

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Lesson details

Key learning points

  1. Adjacent multiples of 2 have a difference of 2
  2. If you add 2 to a multiple of 2 you get the next multiple of 2
  3. If you subtract 2 from a multiple of 2 you get the previous multiple of 2

Keywords

  • Previous - Occurring before in time or order.

  • Next - Occurring after in time or order.

Common misconception

Pupils may find worded problems related to adjacent multiples challenging if they are not clear on the structure of finding previous and next multiples.

Model correct usage in a range of contexts including labelling abstract equations and using the term to identify the known elements in worded problems. Take time to show adjacent on number lines connecting to addition and subtraction of equal groups.

Provide pupils with plenty of practice of the two times tables over an extended period of time until children are fluent in the isolated multiplication facts. At this stage, they can recite the two times table up to the required number of twos in order to find the answers.
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.
Look at the image below. There are groups of £2
An image in a quiz
Correct Answer: 2, two
Q2.
There are eight two pence coins. The total value is p.
An image in a quiz
Correct Answer: 16
Q3.
There are ten two pence coins. The total value is p.
An image in a quiz
Correct Answer: 20
Q4.
Look at the image below. Using your knowledge of groups how can you change this to 5 groups of 2?
An image in a quiz
Add 1 plate of 2 cakes.
Add a cake to each plate.
Correct answer: Subtract 1 plate of 2 cakes.
Subtract 5 cakes.
Q5.
Aisha has 20 pencils. How many groups of 2 is this?
Correct Answer: 10
Q6.
Aisha has £16 altogether. How many £2 coins does she have?
Correct Answer: 8

Exit quiz

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6 Questions

Q1.
Look at the number sequence. ___, 14, 16 To find the previous multiple of 2 you must ________ 2
add
Correct answer: subtract
multiply
Q2.
Look at the number sequence. 12, 14, ___ To find the missing next multiple of 2 you must ________ 2
Correct answer: add
subtract
multiply
Q3.
The next multiple of 2 from 20 is: 20,
Correct Answer: 22
Q4.
The missing previous multiple of 2 is: , 10, 12
Correct Answer: 8
Q5.
Aisha counts eyes. She knows that 12 children will have 24 eyes altogether. How many eyes will there be altogether if there are 11 children?
24
Correct answer: 22
20
18
Q6.
Match the expressions so that they are equal.
Correct Answer:2 × 2 ,1 × 2 + 2

1 × 2 + 2

Correct Answer:3 × 2,2 × 2 + 2

2 × 2 + 2

Correct Answer:4 × 2,5 × 2 − 2

5 × 2 − 2

Correct Answer:5 × 2,6 × 2 − 2

6 × 2 − 2

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