Adding by 10s Worksheet
Practice adding multiples of 10 to two-digit and three-digit numbers.
Includes
Standards
Topics
Adding by 10s
Name:
Date:
Score:
Read each question carefully and solve the addition problems. Remember to add the tens place!
1. When you add 10 to a number, only the digit changes.
2. Adding 30 is the same as adding 10, times.
3. 55 + 10 =
4. 123 + 20 =
Solve the following addition problems:
5. 42 + 10 =
6. 78 + 20 =
7. 156 + 30 =
8. 209 + 40 =
9. Which number is 10 more than 83?
73
93
84
82
10. What is 50 + 20?
60
70
30
80
11. 67 + 10 = 77
True
False
12. 190 + 10 = 200
True
False
13. Use the number line to show 25 + 10.
Answer:
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