Topic 3 Mid-Topic Assessment

A percent is a constant of proportionality describing the part of the _____.

• variable

• part

• whole

• constant

Sewing patterns recommend buying extra fabric in case of mistakes. Jessica bought 5 yards of fabric, plus 20% extra fabric. Derek bought 3 yards of fabric, plus 25% extra. Who bought more fabric? How much more?

Lou and Jacob each sold 200 pieces of jewelry. If 20% of Lou's sales were rings, and Jacob sold 35 rings, who sold more rings?

• Jacob sold 5 more rings than Lou.

• Lou sold 5% more rings than Jacob.

• Jacob sold 5% more rings than Lou.

• Lou sold 5 more rings than Jacob.

Elsie bought a video game for $85.00. If the store charges 170% of its cost for the game, how much is the store’s profit?

*Write in terms of money, with a dollar sign in front.

Fill in the blanks with the correct percent that represents each situation:

Katrina made 4 of her last 5 shots.

• 80%

• 15%

• 95%

Fill in the blanks with the correct percent that represents each situation:

Miguel runs faster than his 19 teammates. What percent of the team

is slower than Miguel?

• 80%

• 15%

• 95%

Fill in the blanks with the correct percent that represents each situation:

Fifty of 150 students wear school spirit T-shirts.

• 80%

• 15%

• 95%

Fill in the blanks with the correct percent that represents each situation:

Micah saved $6 on a $40 pair of pants.

• 80%

• 15%

• 95%

If you know that 84 is 70% of the whole, how can you use proportional

reasoning to determine the whole?