Friday, 22 September 2017

Rapid recall:Subtraction & addtion facts




5
6
11
9
13
7
10
6
12
8
14
8
11
9
7
12
13
-
2
3
5
2
5
3
5
2
4
3
5
2
4
3
2
5
4

3
3
6
7
8
4
5
4
8
5
9
6
7
6
5
7
9




9
11
16
10
11
14
13
11
17
12
15
12
13
9
7
12
13
-
2
3
5
2
5
3
5
2
4
3
5
2
4
3
2
5
4

7
8
10
8
6
11
8
10
13
9
10
10
9
6
5
7
9


To answer some of these addition questions try and transfer what you already know from your number facts knowledge. Example 9+2=11 because you know that 9 + 1 = 10

9
11
16
20
15
14
13
11
13
12
35
52
73
9
7
12
13
+
2
3
4
2
5
6
7
4
8
9
5
2
7
2
4
9
7

11
14
20
22
20
20
20
15
21
21
40
54
80
11
11
21
20



1
4
8
9
9
7
45
11
18
12
35
15
73
9
7
12
7
+
5
6
4
5
8
7
45
11
8
12
35
15
7
2
4
12
7

6
10
12
14
17
14
90
22
26
24
70
30
30
11
11
24
14

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