Use knowledge of the divisibility rules for divisors 8 to solve problems
I can solve problems using knowledge of the divisibility rules for 8
Use knowledge of the divisibility rules for divisors 8 to solve problems
I can solve problems using knowledge of the divisibility rules for 8
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Lesson details
Key learning points
- If you can halve a multiple of 4 then it is a multiple of 8 and divisible by 8
- All numbers divisible by 8 are also divisible by 4 and 2
- Multiples of 8 are all multiples of both 2 and 4
Keywords
Halve - A half is one of two equal parts of a whole.
Divisible - Divisibility is when division of a number results in another whole number.
Common misconception
Lack of fluency in 4s and or 8s times tables and understanding when tackling word problems.
Clearly model highlighting key words of worded problems to understand the problem and the operation required for the calculation. Continue to use language stems such as 'If I know...' 'Then I know...,' to support mathematical thinking.
Licence
Lesson video
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Prior knowledge starter quiz
6 Questions
Q1.What single number fits into each of these gaps to make this correct? 16 ÷ 8 = 16 ÷ ___ ÷___ ÷___
Q2.Match the numbers so that one is half of the amount of the other.
10
15
20
35
45
Q3.Select the multiples of 4
Q4.Select the multiples of 8
Q5.A bakery has baked 50 cupcakes. It packs them into full boxes of 4
Can 49 cupcakes be packed into full boxes of 4?
Q6.A bakery has baked 170 cupcakes. It packs them into boxes of 4
Can all 170 cupcakes be packed?
Assessment exit quiz
6 Questions
Q1.Look at the number sequence: 8, 16, 24, ___, 40, 48 . What is the missing number?
Q2.Match the numbers so that one is half of the amount of the other.
100
150
200
350
450