Adding, Subtracting, Multiplying and Dividing Rational Numbers

After a pizza party there are 4 2/3 pizzas left over. If the pizzas are divided so that party goers can take home 1/6 of a pizza, how many guests can take home pizza?

• 26 guests

• 28 guests

• 8 guests

• 33 guests

Bob has a piece of wood that is 3/4 inches long. He decides to cut pieces that are 1/8 inches long. How many pieces can Bob cut?

• 6

• 9

• 3

• 12

Sarah needs to cut 7 and a half feet of ribbon into 2 and 2/3 feet pieces. How many pieces will she be able to make?

• 4 and 5/6

• 2 and 13/16

• 3

• 20

Sandy uses ⅛ of a pound of chocolate chips in each batch of cookies she makes. Yesterday Sandy used ⅘ of a pound to make all her batches. How many batches of cookies did Sandy make?

• 4/40

• 1/10

• 6⅖

• 5⅓

When adding or subtracting fractions, I must always have a (a)   . I then add or subtract the ​ (b)   and keep ​ (c)   the same.

• Common Denominator

• Numerators

• Denominator

• Common Numerators

• Divisor

• Dividend

When ​ (a)   decimals, I must always ​ (b)   the decimals.

• adding or subtracting

• line up

• multiplying or dividing

• get rid of

Sammy has 2 ²/₃ Hershey bars to share with 4 of her friends.  How much of a Hershey bar will each of her 4 friends receive?

• ¹/₃ Hershey bar each

• ⁵/₃ Hershey bar each

• ²/₃ Hershey bar each

• 1 ³/₄ Hershey bar each

When adding fractions, what does LCD mean?

• Least Common Denominator

• Lowest Common Divsion

• Last Corrective Divisor

• Least Correct Decision

In what types of problems do you have to make sure the exponents are the same before beginning to compute?

• Adding and Subtracting

• Multiplying and Dividing

• Subtracting and Dividing

• Adding and Multiplying

Last Friday Samantha had $22.50. Over the weekend, she received some money for cleaning. She now has more than $32.00. Which inequality represents this situation?

• 22.50 - x > 32

• 22.50x > 32

• 22.50 + x > 32

• 22.50 +x < 32