New
New
Year 2
Explain how a division equation with 2 as a divisor is related to halving
I can explain how a division equation with 2 as a divisor is related to halving.
New
New
Year 2
Explain how a division equation with 2 as a divisor is related to halving
I can explain how a division equation with 2 as a divisor is related to halving.
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Lesson details
Key learning points
- Halving is dividing into two equal parts.
- Halving is the same as dividing by 2
- Halving can be used for a division equation where 2 is the divisor.
- We can use known halving facts when the divisor is 2
Keywords
Divisor - The divisor is what we are dividing by.
Half/ Halving - One of two equal parts of a whole. / To divide into two equal parts.
Common misconception
Children may make errors when halving 2-digit numbers.
Recap strategies for halving from previous units prior to the lesson so that the process of halving numbers does not take over the focus of this lesson.
Further visual representations can help children to see that 'dividing by two' is the same as 'finding a half of'. Physically manipulate objects in this way in your environment. Securing this basic understanding is vital for later learning, including surrounding fractions.
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.
What number comes next in the sequence? 0, 2, 4, 6, 8, 10, 12,
Q2.
Half of 20 is
Q3.
Half of 22 is
Q4.
Match the statements to find half of each number.
6
7
20
10
Q5.
Find the missing factor is this equation. × 2 = 26
Q6.
There are 18 socks in a drawer. How many pairs of socks can be made? pairs
7
8
10
Exit quiz
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6 Questions
Q1.
‘Dividing something by 2 is the same as halving.’ Is this true or false?
False
Q2.
Match the missing numbers to make the equation correct.
8
6
7
9
Q3.
Half of 24 is
Q4.
If there were 20 litres of water in a bucket, and half of it was poured out. How much water would still be in the bucket?
20 litres
40 litres
5 litres
Q5.
There are 12 shoes in the cloakroom. If they pair them up, how many pairs of shoes will there be? Which equation represents this question?
2 ÷ 12 = ___
12 ÷ 12 = ___
14 ÷ 2 = ___
Q6.
Which of these problems could halving be used to solve?
Sofia puts 12 pencils into groups of 4
Sofia puts 15 pencils into groups of 5