Lesson 5 TEST

The mass of 1 candle is 8 grams. Based on this information, which statement is true?

• The mass of 4 candles is 32 gram

• The mass of 2 candles is 4 grams

• The mass of 3 candles is 6 grams

The recipe for 1 pie calls for 2 cups of flour. Which statement is true?

• 8 cups of flour are needed for 6 pies

• 1 cup of flour is needed for 2 pies

• 12 cups of flour are needed for 6 pies

It takes a frog one minute to hop from point A to point B.

At this rate, which equation describes y, the number of meters the frog can hop in x minutes?

• x = 12y

• y = 12x

• y = x + 12

Kason earns $20 an hour at his part-time job. Which graph best represents y, Kason's earnings for working x hours?

• A

• B

What is the opposite for multiplication? X?

What is the opposite of subtraction? -?

The cost in dollars, y, of x packages of cat food is given by y = 3x.

Based on the equation, which of the following is a true statement?

You must show work for ALL THREE!!!!

• The cost of 75 packages of cat food is $225.

• The cost of 75 packages of cat food is $25.

• The cost of 60 packages of cat food is $120.

The number of minutes, y, that the average person spends on a phone in x months is given by y = 700x.

• In 6 months, the average person spends 140 minutes on a phone.

• In 6 months, the average person spends 4,200 minutes on a phone.

• The average person spends 700 minutes on a phone in 1 year.

A bird dives from point S to the surface of the water, point W, in 1 second. Which equation describes y, the number of feet the bird dives in x seconds at this rate?

• x = 20.5y

• y = x + 20.5

• y = 20.5x

What is the opposite of addition? +?