Author: Mrs Parkin

20.3.13 Can I identify that doubling and halving are the inverse?
1) Double 4 = _______
Half of _______ = 4
2) Double 7 = _______
Half of ______ = 7
3) Double 10 = _______
Half of ______ = 10
4) Double 3 = _______
Half of ______ = 3
5) Double 5 = _______
Half of ______ = 5
6) Double 8= _______
Half of ______ = 8

20.3.13 Can I identify that doubling and halving are the inverse?
1) Double 24 = _______
Half of _______ = 24
2) Double 12 = _______
Half of ______ = 12
3) Double 20 = _______
Half of ______ = 20
4) Double 23 = _______
Half of ______ = 23
5) Double 17 = _______
Half of ______ = 17

24

24

12

12

20

20

23

23

17

17

20.3.13 Can I identify that doubling and halving are the inverse?
1) Double 24 = _______
Half of _______ = 24
2) Double 21 = _______
Half of ______ = 21
3) Double 20 = _______
Half of ______ = 20
4) Double 26 = _______
Half of ______ = 26
5) Double 17 = _______
Half of ______ = 17

24

24

21

21

20

20

26

26

17

17

20.3.13 Can I identify that doubling and halving are the inverse?
1) Double 124 = _______
Half of _______ = 124
2) Double 241 = _______
Half of ______ = 241
3) Double 118 = _______
Half of ______ = 118
4) Double 127 = _______
Half of ______ = 127

124

124

241

241

118

118

127

127