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Transcript
Perryfields Junior School Summer 2016
Calculation Policy
-
T
3
2
1
U
6
5
1
Exchange
-
T
4
2
U
5
6
40 + 5
-20 + 6
30
- 20
10
+ 15
+
6
+
9 =19
becomes
T
4
- 2
U
5
6
T
3 4
- 2
3
U
15
6
9
5