Explain the relationship between multiples of 4 and multiples of 8
I can explain the relationship between multiples of 4 and multiples of 8
Explain the relationship between multiples of 4 and multiples of 8
I can explain the relationship between multiples of 4 and multiples of 8
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Lesson details
Key learning points
- Multiples of 8 are double the multiples of 4
- Multiples of 4 are half the multiples of 8
- Multiples of 8 are all multiples of 4 but not all multiples of 4 are multiples of 8
Keywords
Multiple - A multiple is the result of multiplying a number by another whole number.
Double / doubling - To double means to become twice as many or to multiply by two.
Halving - Halving means to divide into two equal parts.
Common misconception
Lack of fluency in the 4s and 8s times tables and generalisation of the rule.
Encourage children to test generalisation - model this clearly using key words and identifying why the rule applies.
Licence
Lesson video
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Prior knowledge starter quiz
6 Questions
Q1. numbers are ones that are next to each other.
Q2.64 is a multiple of 8. Which multiples of 8 are adjacent to 64?
Q3.40 is the fifth multiple of 8. Which mixed operation equation can be used to calculate the missing multiple of 8 on this number line?
Q4.Andeep knows that 9 × 8 = 72. He used the known fact of 10 × 8 = 80 and 8.
Q5.Match the simple equation to the mixed operation equation.
8 × 8 - 8
2 × 8 + 8
6 × 8 - 8
10 × 8 - 8
5 × 8 + 8
Q6.Using your knowledge of groups, order the expressions starting with the smallest multiple.
Assessment exit quiz
6 Questions
Q1.Which numbers are multiples of 4 and multiples of 8?
Q2.Look at the image. Match the size of the group to the number of groups.
6
3
Q3.Match the groups of 4 to the groups of 8.
1 × 8
2 × 8
3 × 8
4 × 8
5 × 8
Q4.Which of the statements are true?
Q5.True or false. This image shows 4 × 8 = 32 and 8 × 4 = 32.
Q6.Look at the image. Which calculations does it show?
