writing proportions

Give an example of a UNIT RATE.

• David travels 110 miles in 5 hours

• 110/5 = 22/1

• David travels 22 miles in 1 hours

• Hearts/ Stars = 4:3

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

What is a PROPORTION?

Select ALL the correct statements.

• Rate with second quantity = 1

• 2 ratios that are equal.

• Ratio with measurements like miles, hours

• An example is 110/5 = 22/1

Write equivalent ratios for 3:5

• 5:3

• 6:10

• 10:6

• 30:50

• 50:30

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.3

The ratio of 12 apples to 8 bananas may be written as

• 8:12

• 2:3

• 3:2

• 16:24

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Pablo is driving at 45 miles per hour is an example of

• PERCENT

• RATE

• UNIT RATE

• PROPORTION

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

What are some ways to write the UNIT RATE for 20 gel pens at a cost of $18.00

• 90 cents per gel pen

• $9.00/10 gel pens

• $0.90/ 1 gel pen

• $18.00/ 20 gel pens

The ratio of blue marbles to red marbles is 4:5.

What does this mean?

• There is 1 more red marble than blue marbles

• There are 5 more red marbles than blue marbles

• For every 4 blue marbles there are 5 red marbles

• For every 5 blue marbles there are 4 red marbles

Angie is buying pencils for her school supplies. For every 10 pencil she pays $1.20.

What is the cost PER pencil?

• $1.20/ 10 pencils

• $0.60/ 5 pencils

• $0.12/ 1 pencil

• $12.00/ 100 pencils

In a writing company, 8 workers share a set of 160 pencils.

Which statements are true?

• For every worker there are 20 pencils

• For every pencil there are 20 workers

• For every 80 workers there are 4 pencils

• For every 80 pencils there are 4 workers

The simplest form of the ratio 12:36 is

• 12:36

• 1:3

• 6:18

• 36:12