Addition Within 20 Worksheet
Practice addition facts within 20 with various question types for Grade 3 students.
Includes
Standards
Topics
Addition Within 20
Name:
Date:
Score:
Read each question carefully and answer to the best of your ability. Show your work when necessary.
1. 7 + 5 =
2. 9 + 8 =
3. 6 + 6 =
4. 12 + 3 =
5. 4 + 11 =
6. Which sum equals 15?
8 + 6
7 + 7
9 + 6
10 + 4
7. What is the sum of 10 and 9?
18
19
20
11
8. Use the number line below to show 3 + 8. What is the answer?
9. 10 + 7 = 17
True
False
10. 5 + 9 = 14
True
False
11. Sarah had 8 apples. Her friend gave her 6 more apples. How many apples does Sarah have now?
12. There are 11 birds on a tree. 7 more birds fly to the tree. How many birds are on the tree in total?
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