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Cogito

Grade 6 Math · Chapter 1 · Lesson 1

Practice Worksheet

What a Ratio Says

A comparison between two amounts.

8 problems · about 16 minutes · 6.RP.A.1

NameDate

Figure — use these to answer the problems

Change the two amounts and read the comparison three different ways.
A ratio table for 3 to 2
FlourMilk
32
64
FlourMilk003264
Cups of flour3
Cups of milk2
Scale it up by2
Figure 1

Warm Up

Straightforward practice. Get the method working first.

4 problems

  1. 6 pens and 9 pencils. Pens to total: what is the second number?

    Answer

  2. What does a ratio do?

    • Compares two amounts.
    • Adds two amounts together.

  3. 4 cats and 6 dogs. Cats to total: what is the second number?

    Answer

  4. 9 boys and 11 girls. Girls to boys: what is the first number?

    Answer

Build It Up

The same ideas with more to keep track of.

2 problems

  1. Is 3 : 5 the same ratio as 5 : 3?

    • No. The order changes what it says.
    • Yes.

  2. 2 red and 8 blue. Red to total: what is the second number?

    Answer

Stretch Yourself

Mixed problems. Work out what kind of question it is before you start.

2 problems

  1. The Fruit Bowl

    5 apples and 7 oranges. What is the second number in the apples to oranges ratio?

    Answer

  2. The Whole Bowl

    5 apples and 7 oranges. What is the second number in the apples to total ratio?

    Answer