Missing lines in a fact family. Do not use spaces in your answer.
Do not put spaces in your answer. For example: 7+4=11 would be the correct way to type an answer.
7 + 4 = 11
11 - 7 = 4
4 + 7 = 11
??What is missing??
5 + 7 = 12
12 - 5 = 7
7 + 5 = 12
??What is Missing?
9 + 4 = 13
4 + 9 = 13
13 - 9 = 4
??What is Missing?
9 + 3 = 12
12 - 3 = 9
3 + 9 = 12
??What is Missing??
16 - 7 = 9
7 + 9 = 16
16 - 9 = 7
??What is Missing??
14 - 5 = 9
5 + 9 = 14
14 - 9 = 5
?? What is missing??
8 + 7 =15
15 - 7 = 8
7 + 8 = 15
??What is Missing??
20 - 12 = 8
12 + 8 = 20
20 - 8 = 12
??What is missing??
13 - 6 = 7
6 + 7 = 13
7 + 6 = 13
??What is Missing??
19 - 13 = 6
6 + 13 = 19
19 - 6 = 13
??What is Missing??
17 - 9 = 8
9 + 8 = 17
8 + 9 = 17
??What is Missing??
22 - 6 = 16
6 + 16 = 22
22 - 16 = 6
??What is Missing??
21 - 9 = 12
12 + 9 = 21
9 + 12 = 21
??What is Missing??