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Year 2 Calculation - Multiplication and Division By 2
If you can count in twos it will help you to multiply and divide by two as well.

Year 2 Calculation - Multiplication and Division By 2

Practise multiplying and dividing by 2. Make equal pairs, count in twos, and spot odd numbers that leave a remainder when shared fairly between two groups.

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(quiz starts below)

Fascinating Fact:

Odd leaves a remainder: 13 ÷ 2 = 6 r1. One spare crisp for the bowl.

In KS1 Maths, Year 2 pupils practise sharing and grouping in twos. Counting in twos links facts like 2 × 6 = 12 and 13 ÷ 2 = 6 r1, using pairs, arrays, and simple bar models.

  • Pair: Two things grouped together; pairs help with ×2 and ÷2.
  • Even number: A number that can be shared into two equal groups with none left over.
  • Remainder: What is left when numbers do not share equally, like r1 in 13 ÷ 2.

Warm up your twos: try the Division Game before you start the quiz.

How do I divide by 2 in Year 2?

Split the objects into two equal groups and count one group. For example, 12 ÷ 2 makes two groups of 6, so the answer is 6.

What does remainder mean in division for kids?

A remainder is the small amount left over when sharing equally. In 13 ÷ 2, each group gets 6 and 1 is left, so the answer is 6 r1.

How do I know if a number is even or odd?

Even numbers make perfect pairs and share by 2 with nothing left. Odd numbers leave one spare when shared by 2.

Question 1
How many 2s are there in 28?
16
14
10
8
Counting up in 2s until you reach 28 is helpful, as is halving 20 and halving 8
Question 2
What is half of 60?
2
20
3
30
Finding half is the same as dividing by 2. Knowing 6 ÷ 2 = 3 helps with 60 ÷ 2 = 30
Question 3
Doubling is the same as...
dividing by 2
halving
adding the number to itself
subtracting over and over
To double 10, you would add 10 to itself: 10 + 10 = 20
Question 4
Cars have 2 headlights. How many headlights will 5 cars have?
10
25
50
12
5 x 2 = 10
Question 5
I know that 2 x 15 = 30. What else do I know?
30 x 2 = 15
2 x 15 = 20
30 x 15 = 2
30 ÷ 15 = 2
If 2 groups of 15 makes 30, then 30 divided into 15 groups will mean 2 in each group
Question 6
What is the next number in this sequence: 2, 4, 6, 8, 10, ?
14
11
12
20
The numbers are going up in twos
Question 7
I put 20 children into pairs. How many pairs can I make?
2, because 20 ÷ 10 = 2
5, because 20 ÷ 10 = 5
20, because 20 ÷ 2 = 20
10, because 20 ÷ 2 = 10
We also know that 10 x 2 = 20
Question 8
What is 20 x 2?
22
40
10
12
Multiplying by 2 is the same as doubling a number
Question 9
Which is the odd fact out?
6 x 2 = 12
12 ÷ 6 = 2
12 x 2 = 6
12 ÷ 2 = 6
12 x 2 = 24 not 6!
Question 10
Is 45 in the 2 times table?
No, because it is an odd number
Yes, because it is an even number
Yes, because it has a 4 at the beginning
No, because it is too big
Multiples of 2 end with 2, 4, 6, 8 or 0
You can find more about this topic by visiting BBC Bitesize - Multiplying and dividing

Author:  Angela Smith (Primary School Teacher & KS1 Quiz Writer)

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