Doubles and halves
41
Knowing Doubles & Halves Number Facts
description
By Graeme Anshaw, MIS
Transcript of Doubles and halves
Knowing Doubles & Halves Number Facts
6 + 6 =
8 + 8 =
12 + 12 =
7 + 7 =
9 + 9 =
15 + 15 =
25 + 25 =
20 + 20 =
50 + 50 =
30 + 30 =
11 + 11 =
6 + __ = 12
11 + __ = 22
18 - 9 =
60 - 30 =
30 - 15 =
24 - 12 =
14 - 7 =
Double 8 =
Half of 50 =
Double 12 =
Half of 16 =
Double 15 =
Half of 10 =
Double 7 =
Half of 18 =
Double 11 =
Half of 100 =
Double 4 =
Half of 24 =
Double 6 =
Half of 30 =
__ + 8 = 16
60 - ___ = 30
__ + 15 = 30
14 - 7 =
__ + 11 = 22
18 - 9 =
__ + 15 = 30
24 - 12 =