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Addition to 10 - Worksheet 1 - 1st Grade

Easy

Add single-digit numbers with sums to 10 (Easy)

20 problems · 10-15 minutes · Skills: addition, mental math

About This Worksheet

This easy-level worksheet contains 20 problems designed for 1st Grade students practicing addition to 10. Easy worksheets use simpler numbers and straightforward problem types to build confidence and reinforce foundational skills.

Fluency with addition facts to 10 is critical. These facts are used constantly in everyday math and form the basis for adding larger numbers.

How to Solve: Worked Example

Example Problem: ●●● + ●● = ___
Solution Steps:
  1. Count the first group: 3 dots.
  2. Count the second group: 2 dots.
  3. Count all together: 1, 2, 3, 4, 5.
Answer: 5
Tip: Start from the bigger number and count on — it's faster!
1
● + ●●● =
2
1 + 0 =
3
0 + 4 =
4
+ ●● =
5
●●● + ● =
6
0 + 0 =
7
●● + ●●● =
8
●●● + =
9
1 + 3 =
10
●● + ●●● =
11
0 + 4 =
12
3 + 1 =
13
0 + 4 =
14
●● + ●● =
15
0 + 2 =
16
1 + 0 =
17
● + ● =
18
1 + 0 =
19
+ ●● =
20
2 + 3 =

Answer Key

1. 42. 13. 44. 25. 46. 07. 58. 39. 410. 511. 412. 413. 414. 415. 216. 117. 218. 119. 220. 5

Frequently Asked Questions

How do I download this addition to 10 - worksheet 1 worksheet?

Click the "Download PDF / Print" button at the top of the worksheet. You can save it as a PDF or print it directly. The answer key will be on a separate page.

How do I find worksheets at different difficulty levels?

Each subtopic has 10 worksheets: Worksheets 1-3 are Easy, 4-7 are Medium, and 8-10 are Hard. Start with Easy worksheets to build confidence, then progress to harder ones.

How many problems are on this worksheet?

This worksheet contains 20 problems. It typically takes 10-15 minutes to complete. An answer key with all solutions is included.