inversion questions picture resources · inversion questions picture resources these pictures are...
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Inversion questions picture resources
These pictures are to be used for the inversion exercises, and should be told to the children as story problems, shown as a three stage presentation revealing each part as you tell them the story to help them reason and not count. The children reason that 4 in and 4 out make no difference to the original number. They should not count the 4 in and then count 4 out so the presentation should be timed fast enough for them not to be able to count.
- 3+ 4
8
- 3+ 4
8
- 4+ 4
8
1 stage 2 stage 3 stage
How many lollies are in the box now?’
Say: ‘The mum put 8 lollies in the box in the morning’.
Sat: ‘In the afternoon she put 4 lollies in the box.’ Say ‘Then the children came and took 4 out.
Maths session 1 BK 1
+4 -4
7
1O
+4 -3
9
1P
Maths session 3 BK 3
- 3+ 4
5
3J
+5
6
– 5
3K
Maths session 4 BK 4
+ 3
6
- 4
4J
+ 3 - 2
4
4K
Maths session 7 BK 7
-4
9
7D
+ 4
+ 7
8
7E
- 7
+ 5 - 4
9
7F