Show:
Addition Split strategy
Addition Jump strategy
Subtraction number line
Fractions
Fractions
100

25+31

87

100

36+20

56

100

79-20

59

100

What is HALF of 10

5

100

What is a QUARTER of 4

1

200

42+26

68

200

73+22

95

200

86-34

52

200

What is HALF of 16

8

200

What is a QUARTER of 8

2

300

66+55

121

300

48+46

94

300

53-26

27

300

What is HALF of 30

15

300

What is a QUARTER of 12

3

400

96+77

173

400

124+88

212

400

107-49

58

400

What is Half of 9

4 and a half

400

What is three QUARTERS of 4

3

500

143+231

274

500

356+263

519

500

342-163

179

500

What is HALF of 17

8 and a half

500

What is a QUARTER of 20

5