Double numbers and explain what doubling means | Maths

Starter quiz

What is the missing number in this equation? 5 + ______ = 5

5

1

2

0 ✓
What is the missing number from this equation? ______ - 0 = 9

0

9 ✓

90

8
Which of these equations has a difference of 0?

______ = 8 − 0

______ = 2 − 2 ✓

______ = 5 − 0
Which representation shows that 0 has been subtracted from this ten frame?
Match the equations to their solutions?

8 - 8 =

⇔

0 ✓

0 + 0 =

⇔

0 ✓

0 + 8 =

⇔

8 ✓

8 + 0 =

⇔

8 ✓
Is Sam's statement True or False?

True ✓
False

How many cubes are needed on the other side to make this equal?
What doubling equation is being shown on this seesaw?

4 + 4 = 8

1 + 1 = 2

2 + 2 = 4 ✓
What doubling fact is being shown here?

5 + 5 = 10

4 + 4 = 8 ✓

2 + 2 + 2 + 2 = 8
What is the missing part in this part-part-whole model?

'4' ✓
Jun has 3 sweets. Sam has double the amount. How many sweets does Sam have?

3

4

5

6 ✓
Sam swims 4 lengths of the swimming pool. Jun swims 7 lengths. Jun says that he swam double the number of lengths. Is this True or False?

True
False ✓

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Children may struggle to see that a double is two of the same thing.

Spend time exploring doubles that can be found in the children's immediate environment e.g. using their hands or playing a game of dominoes.