2. Addition and subtraction

Look at the number sentence:

$56-43=\editable{}$56−43=

a

$56-43$56−43 will be in the:

$20$20s

A

$10$10s

B

$0$0s

C

b

Find the value of $56-43$56−43

Easy

Approx a minute

Look at the number sentence:

$214+31=\editable{}$214+31=

Look at the number sentence:

$667-55=\editable{}$667−55=

Look at the number sentence:

$237+316=\editable{}$237+316=

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uses mental and written strategies for addition and subtraction involving two-, three-, four and five-digit numbers

generalises properties of odd and even numbers, generates number patterns, and completes simple number sentences by calculating missing values