Addition and subtraction facts within 20 for first grade, plus adding tens. Pick a skill, print it with an answer key, and make as many new sheets as you like.
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Preview
1st grade math: Addition within 20
Name ____________________ Date __________ Score ______ / 20
Solve each addition problem.
1.7+ 6
2.9+ 9
3.4+ 2
4.6+ 7
5.1+ 4
6.0+ 6
7.6+ 7
8.3+ 6
9.0+ 7
10.7+ 7
11.7+ 8
12.4+ 8
13.7+ 3
14.2+ 7
15.9+ 2
16.6+ 4
17.2+ 6
18.7+ 6
19.2+ 9
20.0+ 10
Answer key
7 + 6 = 13
9 + 9 = 18
4 + 2 = 6
6 + 7 = 13
1 + 4 = 5
0 + 6 = 6
6 + 7 = 13
3 + 6 = 9
0 + 7 = 7
7 + 7 = 14
7 + 8 = 15
4 + 8 = 12
7 + 3 = 10
2 + 7 = 9
9 + 2 = 11
6 + 4 = 10
2 + 6 = 8
7 + 6 = 13
2 + 9 = 11
0 + 10 = 10
What's on the worksheets
Addition within 20
Subtraction within 20
Mixed, within 20
Add 10
First graders work toward fluency with addition and subtraction within 20 and start adding tens. Doubles (6 + 6) and making ten (8 + 2) are the facts to practice first.
First graders work toward fluency with addition and subtraction within 20 and start adding tens. Doubles (6 + 6) and making ten (8 + 2) are the facts to practice first.
Do the worksheets come with answers?
Yes. Turn on the answer key and it prints on a separate page after the problems.
Can I make a new worksheet with different problems?
Yes. Press New problems for a fresh set as many times as you like. You can also change the number ranges and how many problems there are.
Are they free?
Yes, free and unlimited, with no sign-up. The worksheets are made in your browser.