name: _________________________
class: ___________
REVIEW PROBLEMS
directions:
Complete the problem given in each of the boxes below.
Show all work under the space provided for the answer.
example: Find the LCM of 8 and 10:
_____40____
8x5=40
10x4=40
problems:
class: ___________
REVIEW PROBLEMS
Complete the problem given in each of the boxes below.
Show all work under the space provided for the answer.
example: Find the LCM of 8 and 10:
_____40____
8x5=40
10x4=40
problems:
|
Find the LCM of 5 and 15: _________ |
Find the GCF of 12 and 18: _________ |
Find the LCM of 5 and 7: _________ |
Find the GCF of 13 and 19: _________ |
|
Find the GCF of 6 and 9: _________ |
Find the GCF of 13 and 23: _________ |
Find the LCM of 4 and 9: _________ |
Find the LCM of 6 and 9: _________ |
|
List the proper factors of 24: _________ |
What is the fifth prime?: _________ |
What is the eighth composite?: _________ |
What is the only even prime?: _________ |
FACTOR TREES
Use the space below to construct a complete factor tree
for each of the following numbers, showing their prime factorization.
examples (either is correct):
12 12
6 x 2 3 x 4
2 x 3 x 2 3 x 2 x 2
problems:
1. 24
2. 36
3. 54
4. 155
5. 120
6. 128
6 x 2 3 x 4
2 x 3 x 2 3 x 2 x 2
problems:
1. 24
2. 36
3. 54
4. 155
5. 120
6. 128
DIVISION BY PRIMES (or UPSIDE-DOWN DIVISION)
directions:
Use the space below to show the division by primes method
for each of the following numbers, showing their prime factorization.
example:
For 1092, you may start with 2 (look at this example from the bottom up)
problems:
7. 144
8. 49
9. 64
10. 81
11. 25
12. 92
EXPONENTS
directions:
Copy your answers from the last two pages below,
and then rewrite your prime factorization using exponents.
examples:
1.) 12 = 2 x 2 x 3 = 22 x 3
2.) 1092 = 2 x 2 x 3 x 7 x 13 = 22 x 3 x 7 x 13
problems:
1. ________________________________________________________
2. ________________________________________________________
3. ________________________________________________________
4. ________________________________________________________
5. ________________________________________________________
6. ________________________________________________________
7. ________________________________________________________
8. ________________________________________________________
9. ________________________________________________________
10. ________________________________________________________
11. ________________________________________________________
12. ________________________________________________________
13. ________________________________________________________
14. ________________________________________________________
15. ________________________________________________________
16. ________________________________________________________
17. ________________________________________________________
18. ________________________________________________________
Use the space below to show the division by primes method
for each of the following numbers, showing their prime factorization.
example:
For 1092, you may start with 2 (look at this example from the bottom up)
7. 144
8. 49
9. 64
10. 81
11. 25
12. 92
EXPONENTS
directions:
Copy your answers from the last two pages below,
and then rewrite your prime factorization using exponents.
examples:
1.) 12 = 2 x 2 x 3 = 22 x 3
2.) 1092 = 2 x 2 x 3 x 7 x 13 = 22 x 3 x 7 x 13
problems:
1. ________________________________________________________
2. ________________________________________________________
3. ________________________________________________________
4. ________________________________________________________
5. ________________________________________________________
6. ________________________________________________________
7. ________________________________________________________
8. ________________________________________________________
9. ________________________________________________________
10. ________________________________________________________
11. ________________________________________________________
12. ________________________________________________________
13. ________________________________________________________
14. ________________________________________________________
15. ________________________________________________________
16. ________________________________________________________
17. ________________________________________________________
18. ________________________________________________________