Year 3 Ext

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Subtracting: Regrouping from zero

1) 30  add 20

2) 300 and 200

3) 30 subtract 15

4) 50 take 15

5) 4 lots of 4

6) 8 groups of 4

7) 16 / 4

8) 32 divide 4

9) How many tens in 312?

10) 4, 8, ___, 16, 20

11) 40, 80, 120, ______, 200

12) 1/4 of 32

13) How many 1/8 in one whole?

14) Is a trapezium a quadrilateral?

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