Checkpoint 3: 6.RP.4

A babysitter is paid $65 for 5 hours of babysitting.

At this rate, how much would the babysitter make for 7 hours of babysitting?

Choose the model that correctly represents this problem and solution.

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A teacher has a jar of marbles, as shown.

The teacher wants to add marbles to the jar so that the ratio of red marbles to green marbles is 4 to 2.

How could she do this?

• She could add 2 red marbles.

• She could add 6 red marbles and 1 green marble.

• She could add 1 red marble and 1 green marble.

• She could add 2 red marbles and 2 green marbles.

A flower shop creates bouquets of daisies and roses. The ratio of daisies to roses in one bouquet is given.

How many daisies will be needed when 32 roses are used?

• 49 daisies

• 28 daisies

• 56 daisies

• 25 daisies

A movie theater sells a ratio of large popcorn buckets to small popcorn buckets of 3:2. 

If the theater sold 324 small popcorn buckets, how many large popcorn buckets did they sell?

Just type the number; no need for a label!

An employee at a carnival makes lemonade each day. 

• One pitcher of lemonade uses 2 teaspoons of sugar for every 5 lemons.

• The employee has 18 lemons and 6 teaspoons of sugar.

Which statement describes how many pitchers of lemonade the employee can make?

• The employee can make 4 pitchers of lemonade with no ingredients left over.

• The employee can make 3 pitchers of lemonade with no ingredients left over.

• The employee can make 3 pitchers of lemonade with 3 lemon and 0 teaspoons of sugar left over.

• The employee can make 3 pitchers of lemonade with 0 lemons and 3 teaspoons of sugar left over.

A grocery sells red apples and green apples. They record the ratio of the number of each color apple sold in September and October.

The grocery sold 52 green apples each month.

How many more red apples did the grocer sell in October than September?

No need to type the word apples! Just the number.