TEST 19 STUDENT ID: NAME:
1) List all the factors of 12.

2) List all the factors of 24.

3) List all the factors of 54.

4) List all the factors of 90.

5) What is the GCF of 24 and 64?

6) What is the GCF of 54 and 15?

7) What is the GCF of 30 and 15?

8) Reduce 15/30.

9) Reduce 32/72.

10) Reduce 12/45.

11) Reduce 28/80.

12) Reduce 60/120.

13) 3/7 = N/49, N=

14) 3/10 = M/40, M=

15) 4/7 = P/63, P=

16) Make a factor tree for 30.



17) Make a factor tree for 48.



18) 3/7 = X/56, X=



19) 3/8 = Y/56, Y=

20) Sally had 55 cents in her piggy bank. Express as a reduced fraction what part of a dollar she had in her piggy bank.