Chicago High School for the Arts
Algebra 1
Name __________________________________________________________ Date ________________________
Whole number properties 2
Please complete this assignment without using a calculator!
Divisibility rules
1. The number 12,530 is divisibly by how many numbers from 1 – 10 inclusive?
Please list all the numbers. (Recall: inclusive means to include 1 and 10.)
Greatest Common Factor
2. List all the factors of 28 and all the factors of 49.
3. What is the greatest common factor of 28 and 49?
Prime vs. Composite
Tell whether the following numbers are prime or composite.
5 _____________________
28 ____________________
57 ____________________
11 ____________________
41 ____________________
67 ____________________
4. What is the greatest prime number that is less than 100?
Chicago High School for the Arts
Algebra 1
Prime Factorization
5. What is the prime factorization of 215?
6. Use prime factorization to find the greatest common factor of 136 and 170.
Order of Operations
Evaluate using order of operations.
7. 8 ∙ 102 − 6 ∙ 43
9. 2 + 5[9 + 3(4 − 1)]
8. 8 ∙ 24 + 25 ÷ 5 − 32
10. 5(34 + 16 ÷ 8) − 22