Subtraction
Use a number line to find the difference
9-3
6
Sarah had 10 apples on her tree. She picked 4 apples to make a pie. How many apples are left on the tree?
6
Input: 2 → Output: 5
Input: 4 → Output: 7
Input: 6 → Output: 9
Input: 3 → Output: 6
Add 3
Find the fact family for 2+3=5
3+2=5
5-3=2
5-2=3
9+3=12
12-9=3
Use a number line to find the difference
10-5
5
Jack had 8 candies. He gave 3 candies to his friend. How many candies does Jack have now?
5
Input: 8 → Output: 5
Input: 10 → Output: 7
Input: 6 → Output: 3
Input: 9 → Output: 6
Subtract 3
9+9=18
18-9=9
9+9=18
10+4=14
14-4=10
Use a number line to find the difference 17-3
14
Emma has 12 books on her shelf. She gave 5 books to her brother. How many books are left on her shelf?
7
Input: 10 → Output: 13
Input: 11 → Output: 14
Input: 12 → Output: 15
Input: 13 → Output: 16
Add 3
1+5=6
5+1=6
6-1=5
6-5=1
12+2=14
14-2=12
Use a number line to find the difference 20-5
15
There were 15 kids playing on the playground. 6 kids went home. How many kids are still playing on the playground?
9
Input: 1 → Output: 11
Input: 2 → Output: 12
Input: 3 → Output: 13
Input: 4 → Output: 14
Add 10
Find the fact family for
4+8=12
8+4=12
12-4=8
12-8=4
20+2=22
22-2=20
Subtract
11-3
8
Ethan has 6 toy cars. His brother gave him 5 more toy cars for his birthday. How many toy cars does Ethan have now?
11
Input: 4 → Output: 3
Input: 6 → Output: 5
Input: 5 → Output: 4
Input: 7 → Output: 6
Subtract 1
What is the fact family
1+3=4
3+1=4
4-1=3
4-3=1
10+2=12
12-2=10