Basic Facts REVIEW Mrs. Duffy Grade 2-4 CES 2014-15
8+8
6+4
5+7
2-1
12-7
7+3
9-3
6-3
3+6
1+3
8-5
6+3
1+9
3+5
1+1
1+4
3+7
2-1
5+3
12-6
Think: take away 2, then 1 more 8-3 Think: take away 2, then 1 more 8-2 = 6 -1 5
14-7 S M T W F 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
10-3
Think: 3+3 = 6 and “two more” 3+5 Think: 3+3 = 6 and “two more”
4+6
5+3
4-1
7+5
10-4
10-6
12-5
5+8
6+8
7+1
6+9
5+9
9+3
8+6
8+4
4+9
8+3
9+5
7+7 S M T W F 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
3+9
9+4
9+7
8+5
4+8
Think: 12-2 = 10, and subtract 1 more. 12-3 Think: 12-2 = 10, and subtract 1 more.
13-4
6+1
14-5
15-6
16-7
11-3 Think: 10- 3 = 7 and add 1 => 8
12-4
13-5
8-4
14-6
9-0
10-3
2-0
5+5
11-4
12 – 5 Think: 10-5= 5 and add 2 7
1-1
2+0
6-0
5+0
0+4
0+0
0+9
0+8
8-0
1+0
4+0
1-0
3+1
9+0
4-0
0+3
0+2
10-5
0+6
1+6
5-0
2+4
7+0
7-0
0+5
2+9
0-0
3-0
8+0
0+1
3+0
0+7
6+0
2+6
5+2
2+2
9+2
6+2
2+5
2+8
2+1
3+4
8+2
2+7
8+1
7+2
4-2
5-2
3-2
6-2
2-2
1+5
9-2
7-2
8-2
7-1
2+3
4+2
5+6
8+9
18-9
7+6
6+7
8+7
5+1
5+4
4+5
7+8
1+2
3+2
6+5
5-2
1+7
5-3
7-4
7-3
9+1
9-5
3+3
4+1
9-4
4-2
11-6
1+8
11-5
13-7
16-8
4+3
13-6
15-8
15-7
17-8
3-1
9+8
5-1
8-1
9+9
6-1
3+8
6+6
17-9
9+6
9-1
8-3
4+4