Third Quarter Reviewer in
Math 4
I. Multiple Choice
Encircle the letter of the correct answer.
1. What is the equivalent of 54 in standard form?
a. 20 b. 3,125 c. 2,000 d. 75
2. It is a factor of all even numbers.
a. 2 b. 3 c. 4 d. 6
3. How many factors do 45 have?
a. 4 b. 5 c. 6 d. 7
4. Which operation should be performed first in the expression below?
82 + 192 ÷ 8 x 12 -75
a. addition b. division c. multiplication d. subtraction
5. Which numbers are neither prime nor composite?
a. 0 and 2 b. 1 and 2 c. 3 and 1 d. 1 and 0
6. Which of these even numbers is prime?
a. 2 b. 4 c. 6 d. 8
7. These are numbers that have more than two factors.
a. Prime numbers b. multiples c. composite numbers d. factors
8. These are numbers that have two factors.
a. Prime numbers b. multiples c. composite numbers d. factors
9. These are numbers that we land on when we are skip counting.
a. Prime numbers b. multiples c. composite numbers d. factors
10. These are numbers that we multiply together to get another number.
a. Prime numbers b. multiples c. composite numbers d. factors
II. MDAS
Encircle the letter that shows the right order of operations in solving the given
mathematical expression. Use the MDAS rule in solving the given equation. Fill in the
blanks with the correct value of N.
13 11-12. 32 x 2 ÷ 3 - 3 = N
a. subtraction, multiplication, division
b. multiplication, subtraction, division
c. multiplication, division, subtraction
34 13-14. 76 -18 x 3 +12 = N
a. subtraction, multiplication, addition
b. multiplication, subtraction, addition
c. multiplication, addition, subtraction
82 15-16. 76 - 18 ÷ 3 + 12 = N
a. addition, division, multiplication
b. division, multiplication, addition
c. multiplication, division, addition
18 17-18. 8 x 7 ÷ 4 + 10 - 6 = N
a. multiplication, division, addition, subtraction
b. multiplication, addition, division, subtraction
c. division, multiplication, addition, subtraction
393 19-20. 78 + 66 ÷ 3 x 15 -15 =N
a. addition, division, multiplication, subtraction
b. multiplication, addition, subtraction, division
c. multiplication, division, addition, subtraction
d. division, multiplication, addition, subtraction
Multiples
Encircle all the multiples of the given numbers.
21. 4 - 26 20 12 14
22. 8 - 96 100 72 48
23. 60 - 480 120 90 150
24. 35 -150 60 70 350
25. 150 - 300 750 450 1,000
Factors
Fill the boxes with the correct factors of each number. Then, classify the given
numbers into prime or composite.
Example
12
16
1 2 4 816
Composite 1 2 3 4 6 12
composite
13
33
1 13
1 3 11 33
prime
composite
37
66
1 2 3 6 11 22 33 66 1 37
composite prime
Prime Factorization
Fill in the boxes with the appropriate numbers. Then, write the prime
factorization of each number.
Example:
10
3 3 2 5
60= 2 x 2 x 3 x 5 or 22 x 3 x 5 2 x 3 x 3 x 5 or 2 x 32 x 5
90= _____________________________
3 6
3 7
2 3
3x7 2 x 3 x 3 or 2 x 32
21= _____________________________ 18= _____________________________
10
3 5 2 5
2 x 3 x 5 x 5 or 2 x 3 x 52
150= _____________________________
x5
