Grade 3 Number Theory Worksheet
Explore basic number theory concepts for third graders, including even and odd numbers, prime and composite numbers, and number patterns.
Includes
Standards
Topics
Grade 3 Number Theory
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Date:
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Read each question carefully and answer to the best of your ability. Show your work where requested.
1. Which of the following numbers is an even number?
15
23
32
47
2. Which of the following numbers is an odd number?
50
78
91
100
3. An even number can always be divided by with no remainder.
4. An odd number always has a remainder of when divided by 2.
5. The sum of two even numbers is always an even number.
True
False
6. The sum of an even number and an odd number is always an odd number.
True
False
7. Look at the number line below. What numbers are missing from the pattern?
8. Write the next three numbers in the pattern: 5, 10, 15, 20, , ,
Use the words below to complete the sentences.
9. When numbers follow a rule, they form a .
10. Numbers that end in 0, 2, 4, 6, or 8 are numbers.
11. Numbers that end in 1, 3, 5, 7, or 9 are numbers.