This number is prime. A. 20 B. 15 C. 10 D. 5
What is 5?
Us the rule to find the next three terms in the pattern.
2, 9, 16, 23, 30, ...
Rule: add 7
What is 37, 44, 51
This number is composite. A. 4 B. 5 C. 11 D. 17
What is 4?
Use the rule to find the next three terms in the pattern.
1, 3, 9, 27, ...
Rule: multiply by 3
What is 81, 243, 729
Prime or composite?
List all the factor pairs.
53
Prime
First term: 9 Rule: add 5
What is 9, 14, 19, 24, 29, 34, 39, 44, 49, 54?
Prime or composite?
List all the factor pairs.
45
Composite
Amy lives in the twentieth house on Elm Street. The first house on Elm Street is numbered 3. The second is 6. The third is 9. The fourth is 12. If this pattern continues, what is Amy's house number likely to be?
What is 60?
Prime or composite?
List all the factor pairs.
99
composite
Theo runs 5 miles every morning. He tracks his progress on a chart to log how many miles he has run in all. How many miles will Theo write on the 100th day?
What is 500 miles?