Adding by 10s Worksheet
Practice adding by tens with number lines and equations in this third-grade math worksheet.
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Adding by 10s
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Date:
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Read each question carefully and answer to the best of your ability. Use the number line to help you add by 10s.
1. When you add 10 to a number, the tens place goes up by one, and the ones place stays the .
2. Adding by 10s is like counting by .
3. 30 + 10 =
4. 50 + 10 =
Use the number line below to solve the problems.
5. Start at 20. Add 10. What number do you land on?
6. Start at 40. Add 10. What number do you land on?
7. Start at 70. Add 10. What number do you land on?
8. Which equation shows adding 10 to 65?
65 + 1 = 66
65 + 10 = 75
65 - 10 = 55
65 + 5 = 70
9. If you have 23 apples and add 10 more, how many apples do you have?
24
33
2 + 10
43
10. Adding 10 to any number always makes the ones digit change.
True
False
11. 80 + 10 = 90.
True
False
12. Sarah had 45 stickers. Her friend gave her 10 more. How many stickers does Sarah have now?
13. A bus has 32 passengers. At the next stop, 10 more passengers get on. How many passengers are on the bus?
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