Adding by 10s Worksheet
Practice adding two-digit numbers to multiples of 10 using various strategies for second graders.
Includes
Standards
Topics
Adding by 10s
Name:
Date:
Score:
Read each question carefully and answer by adding 10s. Show your work where needed.
1. 23 + 10 =
2. 45 + 20 =
3. 17 + 30 =
4. 61 + 10 =
Use the number line to solve the problem:
5. Start at 30. Add 20. Where do you land?
6. Which sum is correct?
15 + 10 = 35
22 + 10 = 32
40 + 10 = 40
38 + 20 = 48
7. Adding 10 to a number changes only the tens digit.
True
False
8. Sarah had 25 stickers. She bought 10 more stickers. How many stickers does Sarah have now?
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