Mathematics Periodical Test

A baker needs to keep the taste of her cakes consistent. She uses 2 cups of sugar for every 3 cups of flour. This relationship is an example of what mathematical concept represents the equality of two ratios.

• division

• fraction

• proportion

• ratio

A ratio compares two quantities using what symbol?

• Plus (+)

• Colon (:)

• Equals (=)

• Asterisk (*)

Which of the following is a proportion?

• 4:5 = 6:10

• 8:12 = 4:6

• 3:4 = 2:9

• 9:3 = 8:7

The Grade 6 class has 15 girls and 18 boys, while the Grade 5 class has 10 girls and 12 boys. Which mathematical concept best describes the equality of these two comparisons?

• Rate

• Ratio

• Proportion

• Unit

Which is the proportion for the following illustration?

• 6:8 = 4:12

• 6:4 = 12:8

• 8:6 = 4:12

• 3:4 = 6:12

Examine the following pairs of ratios. Which pair represents a true proportion, where the two ratios are equivalent?

• 5 : 6 and 10 : 12

• 7 : 4 and 8 : 4

• 9 : 12 and 3 : 8

• 9 : 3 and 8 : 7

Niessy is planning a road trip. The more hours she drives at a constant speed, the farther she travels. This relationship between time and distance is an example of which behavior in direct proportion?

• decreases

• divides

• increases

• multiplies

A group of workers is paid based on the hours they work. The more hours they work, the higher their total pay. What type of relationship describes this situation?

• direct proportion

• inverse proportion

• partitive proportion

• proportion

The pet shop owner advised Vince to have 10 gallons of water in his tank for every goldfish. How many gallons of water should be needed if he has 3 goldfish?

• direct proportion

• partitive proportion

• inverse proportion

• proportion

A farmer is filling a water tank using two pipes. If he uses only one pipe, it will take longer to fill the tank. However, if he uses both pipes, the time needed to fill the tank decreases. What type of relationship does this situation describe?

• Direct Proportion

• Inverse Proportion

• Partitive Proportion

• Proportion