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KeyStage 2 Lower

Patterns in addition and subtraction I

Interactive practice questions

$12+13=25$12+13=25

Use this to find:

a

$12+23=\editable{}$12+23=

b

$12+33=\editable{}$12+33=

c

$12+43=\editable{}$12+43=

d

$12+73=\editable{}$12+73=

Easy
1min

Use what you know about subtracting to find:

Easy
1min

$11+25=36$11+25=36

Use this to find:

Easy
1min

We know that $38-25=13$3825=13.

Use this to find:

Easy
1min
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