Fractions
Subtraction
Dividing
Halving
Multiplicaton
100

One third of 18

6

100

24 - 11

13

100

12 / 3

4

100

Halve 18

9

100

3 x 6

18

200

Three quarters of 24

18

200

49 - 24

25

200

36 / 6

6
200

Halve 42

21

200

6 x 4

24

300

Three fifths of 35

21

300

55 - 228

27

300

72 / 9

8

300

Halve 68

34

300

7 x 6

42

400

Seven eighths of 56

49

400

82 - 58

24

400

56 / 7

8

400

Halve 52

26

400

9 x 9

81

500

Seven quarters of 28

49

500

97 - 39

58

500

108 / 12

9

500

Halve 94

47

500

12 x 8

96

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