New
New
Year 4

Explain the relationship between adjacent multiples of three

You can explain the relationship between adjacent multiples of three

New
New
Year 4

Explain the relationship between adjacent multiples of three

You can explain the relationship between adjacent multiples of three

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Lesson details

Key learning points

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

Keywords

  • Adjacent - Adjacent means next to each other.

  • Multiple - A multiple is the result of multiplying a number by another whole number.

Common misconception

Pupils may not understand the keyword adjacent and have difficult understanding the word problems.

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.

The focus of this lesson is using knowledge of multiples of three, and connecting this to adjacent multiples. Chorally rehearsing the 3 times tables at any given opportunity and playing games supports fluency.
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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6 Questions

Q1.
Starting at 15, order the next multiples of 3
1 - 15
2 - 18
3 - 21
4 - 24
5 - 27
Q2.
Complete the sentence. factor × factor =
Correct Answer: product
Q3.
Look at this image. What is the total number of vertices on the triangles? vertices
An image in a quiz
Correct Answer: 12
Q4.
What is the product of the factors 3 and 8?
Correct Answer: 24
Q5.
Look at this image. Which numbers are factors for the total number of spots on the dice?
An image in a quiz
Correct answer: 6
Correct answer: 3
18
Q6.
12 new books are bought for the classroom. Each book costs £3. What is the total cost of the books? £
Correct Answer: 36, Thirty six, Thirty six pounds, £36, 36.00

6 Questions

Q1.
True or false: This list shows adjacent multiples of 3 3, 6, 9, 12, 15, 18, 21
Correct answer: True
False
Q2.
Adjacent multiples of 3 can be found by increasing or decreasing a multiple by .
Correct Answer: 3, three
Q3.
27 is a multiple of 3 Which multiples of 3 are adjacent to 27?
21
Correct answer: 24
Correct answer: 30
33
36
Q4.
A multiple of 3 is missing from the number line. How can we use the adjacent multiples in this example?
An image in a quiz
Count back from 15 by 3
Count on 9 by 3
Count in threes from zero
Correct answer: Count on from 21 by 3
Q5.
Here is part of the 3 times table grid. What could Izzy do to find 13 × 3?
An image in a quiz
Correct answer: Increase 36 by 3
Count in fours from zero
Correct answer: 12 × 3 + 3
Q6.
Using your knowledge of groups, order the expressions starting with the greatest product.
1 - 9 × 3
2 - 3 × 7
3 - 6 × 3
4 - 3 × 3