All Operations on Rational Numbers

(-2.8) ÷ (-⅖)=

• 7

• 0.7

• 0.07

• 70

Katherine’s Kitchen had 36 people order breakfast on Sunday morning. 2/9 of the people ate waffles only. 1/4 of the people ate eggs and waffles. The remaining people ate eggs only. How many people ate eggs only for breakfast?

Cassie spent 3 ¼ hours cleaning her neighbor’s house.

She spent 3/4 of an hour doing laundry.

She spent 2/3 of an hour cleaning the kitchen.

She spend the remaining time cleaning the bathroom.

How much MORE time did Cassie spend doing laundry than cleaning the kitchen?

Marvin had 2 spools of thread. Each spool contained 10 ⅝ yards of thread. Marvin used 4 yards from each spool. How many yards of thread did Marvin have left?

Solve

• 6

• -6

Jen has a math workbook that contains 75 practice pages. She has completed ⅔ of the pages. If Jen completes 14 more pages, what is the total number of pages that she will have completed in the book?

Daniel is purchasing 3 ¼ pounds of cheese that costs $5.99 per pound. How much change will Daniel receive if he gives the cashier $20.00?

Stephen had 36 tickets for games at the fair. He used ⅓ of the tickets on the dart-balloon game. He then used 0.5 of the remaining tickets to play the ring-toss game. He won 6 tickets playing the ring-toss. How many tickets did Stephen have after playing these games?

Twelve PTA members want to buy supplies for students. They need to raise $527.86 to buy the supplies. They have already raised $349.11. If each PTA member raises the same amount of money, how much money must each member raise?