Unit Review TEK 5.3K

Unit Review TEK 5.3K

by Mrs. Christi Ziegler

Multiple Choice

Composite numbers:

• Are always bigger than prime numbers
• Have more than 2 factors
• Have 2 pairs of factors
• Don't have factors

Multiple Choice

Prime numbers have:

• Exactly 2 factors
• 2 pairs of factors
• More than 2 factors
• 1 factor

Multiple Choice

What are factors?

• The top number in a fraction.
• The numbers multiplied together to make a product.
• The bottom number in a fraction.
• Angles smaller than 90 degrees.

Multiple Choice

How is a prime number different from a composite number?

• Prime numbers are smaller than composite numbers.
• Composite numbers are larger than prime numbers.
• All odd numbers are prime numbers.
• Prime numbers have only 2 factors, and composite numbers have more than 2 factors.

Multiple Choice

Elijah made the list of numbers below.

40, 41, 42, 43, 44, 45, 46, 47, 48, 49

How many of the numbers in Eliah's list are prime numbers?

• 3

• 7

• 10

• 5

Multiple Choice

What are the prime factors of 30?

• 1, 5, 6

• 2, 5, 15

• 1, 29

• 2, 3, 5

Copy & paste into web browser to watch video on Equivalent Fractions

​

​https://www.youtube.com/watch?v=qcHHhd6HizI

Multiple Choice

Mrs. Etchison ate 12/16 of a pepperoni pizza. What fraction is equivalent to this?

• 2/3
• 18/12
• 3/4
• 1/4

Multiple Choice

Jayden ate 1/4 of the cherry pie.
T.J. ate 3/4 of the cherry pie. 
Who ate more pie?

• T.J.
• Jayden

Multiple Choice

Which fraction is equivalent to 3/8?

• 6/12
• 9/15
• 6/16
• 12/30

Multiple Choice

Which fraction is equivalent to 7/8?

• 14/24
• 14/15
• 49/64
• 21/24

https://youtu.be/tDQipFjAoT8

​Copy and Paste in web browser to watch video on Adding & Subtracting Fractions

​

Multiple Choice

My sister and I ate some of the cookies she made. She ate 3/5 of them and I ate 1/10 of them. How much of the cookies did we eat?

• 1/2 of the cookies
• 7/10 of the cookies
• 4/15 of the cookies

Multiple Choice

My dad was painting my bedroom. He started with 5/9 of a can of paint. He used 1/3 of the can. How much paint did he have left?

• 2/9 of a can of paint
• 1/2 of a can of paint
• 2/3 of a can of paint

Multiple Choice

Oliver and Charlie are eating from the same box of cereal. Oliver eats 2/12 of the box and Charlie eats 2/6 of the box. How much of the cereal do they eat together? Simplify the fraction.

• 1/3 of the box of cereal
• 4/18 of the box of cereal
• 1/2 of the box of cereal

Multiple Choice

Solve. Simplify the fraction if needed.
3/9 + 1/3

• 4/12
• 7/9
• 2/3

Multiple Choice

1/4 + 7/12

• 11/12
• 5/6
• 8/16
• 8/4

Multiple Choice

2/3 - 1/2

• 1/6
• 1/3
• 1/2
• 3/5

Multiple Choice

Robert decided to group the magazines on his bookshelf according to titles. He noticed that $$\frac{2}{9}$$   of the magazines were Sports Illustrated, $$\frac{1}{3}$$   were Motor Cross, $$\frac{1}{6}$$   were Music Scene, and the rest were Comic Kids. What fractional part of his magazines is Comic Kids?

• $$\frac{14}{6}$$  

• $$\frac{4}{18}$$  

• $$\frac{2}{3}$$  

• $$\frac{5}{18}$$  

Multiple Choice

Lisa has 4 $$\frac{1}{4}$$   cups of flour in a flour canister, and 6 cups of sugar in a sugar canister. She needs 3 $$\frac{1}{2}$$   cups of sugar to bake a large batch of cookies. How many cups of sugar will be left in the sugar canister after she bakes the cookies?

• $$1\ \frac{1}{2}$$  cups

• $$1\ \frac{3}{4}$$ cups 

• $$2\ \frac{1}{2}$$  cups

• $$3\ \frac{1}{2}$$  cups

Multiple Choice

Vanna used the fraction strips shown to help her determine the difference between $$\frac{5}{6}$$  and $$\frac{1}{4}$$   .

What is $$\frac{5}{6}-\frac{1}{4}$$  ?

• $$\frac{1}{5}$$  

• $$\frac{7}{12}$$  

• $$\frac{1}{2}$$  

• $$\frac{5}{8}$$  

Multiple Choice

Kate used 1/4 yard of red ribbon, 1/8 yard of yellow ribbon, and 1/2 yard of blue ribbon for her mom's birthday gift. What is the total amount of ribbon used for the gift?

• 5/8

• 3/8

• 7/8

• 1/2

Multiple Choice

Last week, the fourth graders at Roadtown Elementary walked 2 1/6 miles during P.E, and the fifth graders walked 1 1/2 miles. How much farther did the fourth graders walk than the fifth graders?

• 1 1/6 miles

• 1 1/4 miles

• 1/2 mile

• 2/3 mile

Multiple Choice

Sam practiced playing the cello for 3 days. On Monday he played for 2/3 of an hour. On Tuesday, he played 1/2 of an hour and on Wednesday he played 3/4 of an hour. What is Sam's total practice time?

• 7/9 hour

• 1 11/12 hours

• 2 1/12 hours

• 1 23/24 hours

Multiple Choice

Gary has worked on his research paper on Monday and Tuesday of this week and is 7/10 complete. Monday he completed 1/5 of the work, so how much work must he have done on Tuesday?

• 9/10

• 1/2

• 5/10

• all of it

Multiple Choice

Jose has 8 3/4 pounds of bananas at his fruit stand. If he sells 2 1/4 pounds of bananas, how many pounds does he have remaining

• 6 2/4 pounds

• 11 pounds

• 9 1/2 pounds

• 6 1/2 pounds

Multiple Choice

Bobbie is a carpenter and is building a treehouse for his nephew. He has a piece of lumber that is 2 1/6 of a yard long. He cuts 1 1/2 yard away to build a support for the treehouse. How long is the lumber piece that remains?

• 1 7/6 yards

• 1 3/6 yards

• 2/3 yard

• 1/2 yard