44 - 32 = ?
-2 on both sides
-4 on both sides
+6 on both sides
+ 8 on both sides
Write a related fact for the addition problem.
2+3=5
5-3=2 or 5-2=3
Count back in your head.
6-1=
6-1=5
17-8=
1 + 7 = 8
17 - 7 = 10
10 - 1 = 9
56 - 22 = ?
34
13 - 9 = ?
+1 on both sides
+7 on both sides
-3 on both sides
Write a related fact for the addition problem.
4+3=7
7-3=4 or 7-4=3
Count back in your head.
9-2=
9-2=7
12 - 4 = ?
2 + 2
12 - 2 = 10
10 - 2 = 8
63 - 41 = ?
22
81 - 38 ?
- 1 on both sides
+ 2 on both sides
Write a related fact for the addition problem.
7 + 5= 12Subtract 5-3 on your number line.
2
16 - 9 = ?
6 + 3
16 - 6 = 10
10 - 3 = 7
33 - 28 = ?
5
66 - 35 = ?
+ 4 on both sides
- 4 on both sides
+ 5 on both sides
- 5 both sides
Write a related fact for the addition problem.
9 + 5=1414-9=5
14-5=9
Subtract 17-9 using a number line.
8
15 - 8 = ?
5 + 3
15 - 5 = 10
10 - 3 = 7
44 - 29 = ?
15
94 - 67 =?
+ 3
- 4
- 7
Write a related fact for the addition problem.
11 + 8=1919-11=8
Count back in your head.
17-3=
17-3=14
18-9=?
8 + 1
18 - 8 = 10
10 - 1 = 9
77 - 29 = ?
48