Tax & Sales
Budgeting
Populations
Taking Trips
Grades & Error
100
What is 10% of $10.00?

What is $1.00?

100

If you spend $20 a day, how much do you spend for the entire week?

What is $140?
100
There are 500,000 rabbits in a prairie. If the population decreases by 50% how many rabbits are left?

What is 250,000?

100

You drive 18 miles and have 40% of the trip remaining. How many miles do you have remaining?

What is 27 miles?

100

Nicole took a 10 question quiz and missed 2 questions. What grade will she get on the quiz (percent)?

What is 80%?

200

Olivia paid $10.00 for a puzzle. If there is an 8% sales tax, how much did the puzzle cost after tax?

What is $10.80?

200

Matthew worked 40 hours every week for 8 weeks in a row, earning a total of $6400. How much did he make per hour?

What is $20 per hour?

200

An animal refuge park has 120 gazelles. If the population increases by 5% in one year, how many gazelles will the park have next year?

What is 126?

200

Jessica started spending more time on her math homework and as a result, her average grade increased from an 82 to an 88 over a 3-week period. To the nearest tenth of a percent, what was the percent increase in her average grade over the 3-week period?

What is 7.3%?
300

A clothing store bought a shirt from a manufacturer for $85 and marked up its price by 10%. How much did the shirt cost after the markup?

What is $93.50?

300

Deepak spent $178 on groceries last month. If he reduces his grocery cost by 15% the next month, how much will he spend on groceries?

What is $151.30?

300

A lab begins with 12,000 bacteria. After experimenting with antibiotics, the population decreases to 3,000. What percent did the population decrease by?

What is 75%?

300

Scooby usually scores between around 89% on his math quizzes, unless the quiz is the day after a track meet. On the quizzes he takes right after a track meet, he has about an 11% decrease in his scores. If Scooby had a track meet the day before a quiz, what would he score on the quiz (Round to nearest percent)?

What is 79%?

400

An electronics store bought a flat screen television from its supplier for $699. Richard makes an 8% comission on his sales. If Richard sells the flat-screen television at full price, how much commission will he earn? (Round to the nearest tenth)

What is $55.92?

400

Suriko is washing cars to raise money for an animal shelter. He charges $4.00 per car. He washes 23 cars in one day. Sixty-five percent of Suriko's earnings paid for the supplies he used. How much is left to donate to the animal shelter?

What is $32.20?

400
An ant farm begins with 1200 ants. After reproducing, the population doubles. Then a disease takes out 1/3 of the colony. How many ants remain?
What is 1600?
400

Rosalie scored a 98% on their first math test of the year. She calculated a 20% decrease the following week. What did she score on the second week? 

What is 78.4%?

500

Rosalie bought 4 books that each cost $15.75. She used a coupon for 20% off her purchase. Rounded to the nearest cent, what was the final cost of Rosalie's books?

What is $50.40?

500

A chef can make 12 meals with 3 pounds of steak. If he plans to make 250 meals and the steak costs $6.60 per pound, how much will the chef spend on steak?

What is $412.50?

500

When purchasing a fish tank, the salesperson says it can house 25 fish comfortably. If you fill the tank with 18 fish, at what percentage have you filled the tank?

What is 72%?

500

Richard made a 98, 88, 76, 100, and 85 on quizzes over the course of a school year. He then received a 1% bonus on his quiz average, what is his quiz grade for the year? (Round to the nearest tenth)

What is 90.3?