___________
Maths
Understand additive relationships and apply them to rearrange equations
Starter quiz
Try it
Give to class
Which number in this equation is the sum? 21 = 14 + 7
7
14
21 ✓
Which number is this equation is the difference? 12 = 20 − 8
8
12 ✓
20
Which pairs of numbers have a sum of 17?
9 and 8 ✓
7 and 10 ✓
6 and 12
4 and 13 ✓
Find the difference in the equation
\square
= 24 − 6
'18' ✓
What is the sum of 8, 6 and 2?
'16' ✓
Find the missing number.
\square
+ 9 = 23
'14' ✓
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