IM 6.3.14 Practice: Solving Percentage Problems
For each problem, explain or show your reasoning.
160 is what percentage of 40?
40 is 160% of what number?
What number is 40% of 160?
A store is having a 20%-off sale on all merchandise. If Mai buys one item and saves $13, what was the original price of her purchase? Explain or show your reasoning in the applet below.
The original price of a scarf was $16. During a store-closing sale, a shopper saved $12 on the scarf. What percentage discount did she receive? Explain or show your reasoning in the applet below.
The original price of a scarf was $16. During a store-closing sale, a shopper saved $12 on the scarf.
Select all the expressions whose value is larger than 100.
An ant travels at a constant rate of 30 cm every 2 minutes.
At what pace does the ant travel per centimeter?
At what speed does the ant travel per minute?
Is cups more or less than 1 liter? Explain or show your reasoning. (Note: 1 cup ≈ 236.6 milliliters)
Name a unit of measurement that is about the same size as each object.
The distance of a doorknob from the floor is about 1 _____________.
The thickness of a fingernail is about 1 _____________.
The volume of a drop of honey is about 1 _____________.
The weight or mass of a pineapple is about 1 _____________.
The thickness of a picture book is about 1 _____________.
The weight or mass of a buffalo is about 1 _____________.
The volume of a flower vase is about 1 _____________.
The weight or mass of 20 staples is about 1 _____________.
The volume of a melon is about 1 _____________.
The length of a piece of printer paper is about 1 _____________.