Ratios
Rates
Percents
Problem Solving
Challenge
100

The ratio of red marbles to blue marbles in Simran's bag is equal to 1 to 1. If there are 20 red marbles, how many blue marbles are there?

What is 20 blue marbles?

100

The distance on a map between Lake Village and Bay Cove is 2 inches. If 1 inch represents 15 miles, what is the actual distance between Lake Village and Bay Cove?

What is 30 miles?

100

Effie ate 4 peaches. This represents 50% of the bag of peaches. How many peaches were originally in the bag?

What is 8 peaches.

100

The ratio of boys to girls in Mr. Green's class is 4 to 5. There are 8 boys in the class. How many girls are in the class?

What is 10 girls?

100

Beatrix ate 21 raisins. This represents 30% of the box of raisins. How many raisins were originally in the box?

What is 70.

200

Name three equivalent ratios for 18/6

What is 36:12, 9:3, 3:1. Answers vary

200

Arturo can walk 4 miles in 1 hour. How many miles can he walk in 3 hours?

What is 12 miles?

200

Gabriel saves 40% of his monthly paycheck for college. He earned $270 last month. How much money did Gabriel save for college?

What is $108?

200

Tyrone purchased a container of juice that contains 150 calories. The label says that 70% of the calories are from carbohydrates. How many calories are not from carbohydrates?

What is 45 calories?

200

The ratio of green marbles to yellow marbles in Toby's bag is equal to 2:3. What percent of the marbles in the bag are green marbles?

What is 40%

300

The ratio of rock music to total CDs that Ella owns is 25/40. Paolo has 50 rock music CDs. The ratio of rock music to total CDs in his collection is equivalent to the ratio of rock music to total CDs in Ella's collection. How many CDs do they own?

What is 120 CDs?

300

A box of a dozen fruit tarts costs $15.00 What is the cost of one fruit tart?

What is $1.25?

300

Approximately 4/5 of US homeowners have a cell phone. What percent of homeowners do NOT have a cell phone?

What is 20%

300

During an election on which shirt would represent that 6th graders, 40% of the students voted for the blue shirt, and 60% of the students voted for the red shirt. 300 students voted in total. How many more students voted for the red shirt over the blue shirt?

What is 60 students?

300

Kendra bought a piece of fabric that was 14 feet long. Lisa bought a piece of fabric that was 3 yards long. Kendra wanted to cut her fabric so that it was the same length as Lisa's. How many feet did she need to cut off? 

What is 5 feet of fabric?
400

A male Chihuahua weights 5 pounds. How many ounces does he weigh?

What is 80 ounces?

400

Sam can solve 30 multiplication problems in 2 minutes. How many can he solve in 20 minutes?

What is 300 multiplication problems?

400

16 is ___________% of 20.

What is 80%

400

Wendy can ride her bike 0.8 miles is 6 minutes. How many miles can she ride on her bike in 1.5 hours?

What is 12 miles?

400

Tom and Jasper have the same percentage of blue marbles in their bags of marbles. Tom has 5 blue marbles and 20 total marbles. Jasper has 12 blue marbles. How many of Jasper's marbles are not blue?

What is 36 marbles?

500

The ratio of white pens to blue pens in Jake's drawer is 4 to  3. If Jake has more than 40 pens, what is the minimum number of pens that can be in Jake's drawer?

What is 42 pens?

500

In another country, a road sign reads "80 kilometers to the next gas station". How far is that distance to the nearest mile?

What is 50 miles?

500

During the election for class president, 40% of the students voted for Gerardo, 35% of the students voted for Leandro, and 25% of the students voted for Juju. 70 students voted for Leandro. How many more students voted for Gerardo than for Juju?

What is 30 more students.

500

Walt purchased a container of peanuts that weighs 5 kilograms. Mindy purchased a container of peanuts that weights 4,800 grams. How many more grams of peanuts did Walt purchase?

What is 200 grams?

500

Alexa and Brent are each working on a 30-question assignment. Alexa completed 20% of the questions. Brent completed 30% of the questions. How many more questions did Brent complete?

What is 3 more questions?