Vocabulary
When you ________ you take something away from another number.
Subtract
Write the number sentences for the fact family....
3 5 8
3 + 5 = 8
5 + 3 = 8
8 - 3 = 5
8 - 5 = 3
78 - 16 = ?
62
84 - 23 = ?
61
Solve the problem and check it with addition.
66 - 14 = ?
52
52 + 14 = 66
The answer you get from adding is called the _______.
Sum
Write the number sentences for the fact family....
10 4 14
4 + 10 = 14
10 + 4 = 14
14 - 4 = 10
14 - 10 = 4
95 - 69 = ?
26
61 - 35 = ?
26
Solve the problem and check it with addition.
49 - 19 = ?
30
30 - 19 = 49
The answer you get from subtracting is called the __________.
Difference
Write the number sentences for the fact family....
11 22 11
11 + 11 = 22
22 - 11 = 11
75 - 47 = ?
28
16 -7 = ?
9
Solve the problem and check it with addition.
94 - 65 = ?
29
29 + 65 = 94
A __________ is a group of 3 numbers that work together.
Fact Family
Write the number sentences for the fact family....
24 6 18
6 + 18 = 24
18 + 6 = 24
24 - 6 = 18
24 - 18 = 4
64 - 19 = ?
45
54 - 27 = ?
27
Solve the problem and check it with addition.
45 - 37 = ?
8
8 + 37 = 45
You can ________ a ten into ten ones.
Regroup
Write the number sentences for the fact family....
15 7 22
7 + 15 = 22
15 + 7 = 22
22 - 7 = 15
22 - 15 = 7
80 - 28 = ?
52
93 - 36 = ?
57
Solve the problem and check it with addition.
51 - 23 = ?
28
28 + 23 = 51