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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