Unit 3 Practice Test

Unit 3 Practice Test

by Kevin Kirk

Multiple Choice

The blue shaded section shows...

• one-half

• one-fourth

• two-fourths

• three-fourths

Multiple Choice

How much of the pizza has been eaten?

• one-fourth
• one-third
• three-fourths
• three-thirds

Multiple Choice

Which picture shows 1/2?

• green
• blue
• purple
• pink

Multiple Choice

Which fraction is equivalent to 1?

• 1/2
• 1/10
• 5/5
• 5/1

Multiple Choice

Which fraction is equivalent to 4/6?

• 1/3
• 2/3
• 1/6
• 2/6

Multiple Choice

• 6/9
• 6/6
• 9/9
• 2/3

Multiple Choice

Are the fractions equivalent?

• Yes
• No

Multiple Choice

$$\frac{6}{15}=\frac{2}{?}$$  

• 5

• 30

• 3

• 10

Least Common Multiple Example

• What is the LCM of 3 and 9

• List the multiples of 3 first.

• 3, 6, 9, 12, 15, 18, 21, 24, 27, 30

• List the multiples of 9

• 9, 18, 27, 36, 45, 54, 63

• WHAT NUMBERS DO THEY HAVE IN COMMON?

Multiple Choice

What is the LCM of 3 and 9?

• 3

• 9

• 45

• 18

Multiple Choice

Find the LCM of 5 and 8

• 5

• 8

• 40

• 24

Multiple Choice

What is the Least Common Multiple of 4 and 14

• 28

• 42

• 56

• 24

Anthony rode his electric scooter 1/2 mile from his house to the park. Later he rode 1/3 mile from the park to baseball practice. How far did Anthony ride?

Which operation are we going to do and how do you know?

Multiple Choice

What is the least common multiple of

$$\frac{1}{2}$$  and  $$\frac{1}{3}$$  

• 1

• 5

• 6

• 12

Multiple Choice

  $$\frac{1}{3}$$  =  $$\frac{?}{6}$$  

• $$\frac{4}{6}$$  because  $$\frac{1}{3}$$  +  $$\frac{3}{3}$$  =  $$\frac{4}{6}$$  

• $$\frac{2}{6}$$  because  $$\frac{1}{3}$$  x  $$\frac{2}{2}$$  = $$\frac{2}{6}$$  

Step 3 Add the numerators. Simplify if necessary. The denominator stays the same.

Multiple Choice

To make grape juice, Elizabeth added  $$\frac{5}{8}$$  cup of water to  $$\frac{1}{4}$$  cup of grape juice concentrate. How much grape juice did Elizabeth make? Before solving, what is the least common multiple?

• 9

• 16

• 12

• 8

Multiple Choice

$$\frac{2}{5}$$  - $$\frac{1}{3}$$  

Rewrite this problem with common denominators

• $$\frac{2}{5}$$  - $$\frac{3}{5}$$  

• $$\frac{2}{15}$$  + $$\frac{1}{15}$$  

• $$\frac{6}{15}$$  - $$\frac{5}{15}$$  

• $$\frac{2}{5}$$  - $$\frac{1}{3}$$  

Multiple Choice

David biked 8  $$\frac{3}{8}$$   miles on Tuesday and 5  $$\frac{7}{8}$$   miles on Wednesday. How much farther did he bike on Tuesday than he did on Wednesday?

• 3 $$\frac{4}{8}$$  

• 2 $$\frac{1}{2}$$  

• 3 $$\frac{1}{2}$$  

Multiple Choice

4/6 + 3/6

• 7/6

• 1/6

• 1 1/6

• 1 1/3

Multiple Choice

9 3/6 - 3 4/6

• 12 7/6

• 13 1/6

• 5 5/6

• 6 1/6

Multiple Choice

12 5/8 - 6 7/8

• 6 2/8

• 5 3/4

• 5 6/8

• 6 1/4

Multiple Choice

2 1/4 + 1 3/4

• 1 2/4

• 1/2

• 3 4/4

• 4

Multiple Choice

Convert the Mixed Number to an Improper Fraction. 

$$3\ \frac{4}{6}$$  

• $$\frac{12}{6}$$  

• $$\frac{28}{6}$$  

• $$\frac{22}{4}$$  

• $$\frac{22}{6}$$  

Multiple Choice

Convert the Mixed Number to an Improper Fraction. 

$$5\ \frac{3}{5}$$  

• $$\frac{13}{5}$$  

• $$\frac{28}{5}$$  

• $$\frac{25}{5}$$  

• $$\frac{28}{3}$$  

Multiple Select

After dividing a common number, You need to ask yourself-

Después de dividir un número común, debe preguntarse:

• Can it go lower?

  ¿Puede bajar?

• Can I simplify it more? ¿Puedo simplificarlo más?

• Nothing

• Nothing, I am finished

Multiple Choice

Simplify this fraction 6/8

simplifica esta fracción

• 9/8

• 3/4

• 2/4

Multiple Choice

Simplify this fraction 5/20

simplifica esta fracción 5/20

• 1/4

• 5.20

• 10/40

Multiple Choice

Simplify the fraction 10/15

• 2/3

• 25

• 1/2