Base 10 Number System - Grade 1
A Grade 1 math worksheet focusing on understanding and working with the Base 10 number system, including tens and ones.
Includes
Standards
Topics
Base 10 Number System
Name:
Date:
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Read each question carefully and answer to the best of your ability. Show your work when asked.
1. The number 15 has ten and ones.
2. The number 23 has tens and ones.
3. The number 30 has tens and ones.
4. The number 7 has tens and ones.
5. Draw base 10 blocks to show the number 18. (Use sticks for tens and small squares for ones)
6. Draw base 10 blocks to show the number 25. (Use sticks for tens and small squares for ones)
7. Which number has 1 ten and 3 ones?
31
13
10
3
8. What is the value of 2 tens and 0 ones?
2
20
10
0
9. The number 45 has 4 tens and 5 ones.
True
False
10. The number 9 has 9 tens and 0 ones.
True
False
11. Write the number that has 3 tens and 2 ones.
12. Write the number that has 1 ten and 9 ones.
13. Locate and circle the number 15 on the number line below.