Name……………………………………….
South America
Double any number with up to 1 decimal
Halve any number with up to 1 decimal
place
place
4.5
7.5
2.2
4.6
7.8
2.2
1.7
2.7
4.7
1.8
2.4
4.8
6.3
1.9
8.6
6.4
1.6
8.6
7.2
4.3
5.3
7.2
4.6
5.4
1.2
8.5
1.9
1.2
8.8
1.8
9.8
2.2
6.4
9.8
2.2
6.4
8.4
3.1
1.5
8.4
3.2
1.2
3.7
6.7
9.3
3.2
6.6
9.0
4.2
8.4
3.8
4.0
8.4
3.8
2.8
9.2
7.1
2.8
9.2
7.0
3.4
2.3
5.7
3.4
2.6
5.8
6.7
4.6
2.5
6.6
4.6
2.6
9.0
8.9
4.3
9.0
8.8
4.4
7.3
6.4
7.1
7.4
6.4
7.0
5.6
1.2
1.9
5.6
1.2
1.8
1.2
7.8
8.8
1.2
7.8
8.8
4.1
9.3
6.6
4.2
9.0
6.6
1.8
7.1
3.4
1.8
7.2
3.4
8.5
3.0
8.2
8.8
3.0
8.2
2.9
5.5
9.0
2.6
5.6
9.0
Time yourself to complete these strips. Can you beat your time? The aim is to do them as fast as you can
count. You need to know these facts off by heart, without having to think and work them out.
Recall quickly multiplication facts up
to 10 x 10…
Know all factors of all times table answers
up to 10 x 10
3x6=
7x9=
6x3=
24
9x3=
6x4=
6x8=
30
4x5=
3x9=
4x5=
63
8x7=
4x8=
9x6=
72
6x5=
9x3=
7x4=
80
3x4=
8x7=
7x7=
12
6x8=
4x8=
8x2=
36
3x5=
8x5=
5x6=
42
9x4=
9x3=
3x8=
50
2x6=
6 x 10 =
7x9=
20
…and use them to multiply pairs of
multiples of 10 and 100
3 x 60 =
70 x 9 =
6 x 30 =
900 x 3 =
60 x 4 =
60 x 8 =
4 x 50 =
300 x 9 =
400 x 5 =
8 x 70 =
4 x 800 =
9 x 600 =
600 x 5 =
90 x 3 =
70 x 4 =
3 x 400 =
8 x 70 =
7 x 700 =
60 x 8 =
4 x 800 =
8 x 20 =
3 x 500 =
8 x 50 =
500 x 6 =
90 x 4 =
90 x 3 =
3 x 80 =
2 x 60 =
60 x 10 =
700 x 9 =
27
32
60
15
49
72
25
18
48
54
1, 2, 3, 4, 6, 8, 12, 24