Rate and Proportion Vocabulary
for Math 6 using Common Core
Standards:
16 Vocabulary Cards with Picture Examples
by Mariam Brunner
Copyright © 2013 Mariam Brunner
All rights reserved by author.
Permission granted to copy for single classroom use only.
Electronic distribution limited to single classroom use only.
Not for public display.
Percent A ratio out of
100.
3 of the 5 stars are black.
𝟑
𝟔𝟎
=
𝟓 𝟏𝟎𝟎
60% of the stars are black.
Proportion
3 18
=
4 24
Two
equivalent
ratios.
Rate
A ratio comparing quantities
in two different units.
Danny’s tractor travels 40 miles
when he has a full tank
(5 gallons) of gas.
Rate of 40 miles
to 5 gallons.
Ratio
A comparison
of two
quantities.
There are 3 white
stars to every 5 black
stars in this quantity
of stars.
Ratio of white stars
to black stars is
3 to 5.
Rational
Number
Any number than can be
written as a fraction.
Note: The denominator cannot be 0.
0.75 is rational since it can be written as
½ is rational since it is a fraction.
40% is rational since it can be written as
!"
!""
.
!"
!""
!
.
0.3 is rational since it can be written as !.
Unit Rate
A rate written
with the second
number being 1.
Danny’s tractor travels 40
miles when he has a full tank
(5 gallons) of gas. Rate of 40
miles to 5 gallons.
Unit Rate
8 miles : 1 gallon
An amount
counted or
measured.
Quantity
Here is a quantity of
stars.
Two or more
ratios that
have the same
value when
reduced or
put in decimal
form.
Equivalent
Ratios
!
!
!
!
= 0.75
=
!"
!"
!"
!"
= 0.75
Two
number
lines
drawn one
above the
other.
8 packs of pencils cost $9.60. How much will 3 packs
of pencils cost?
Cost
$1.20 $2.40
$? $4.80
$9.60
Double Number
Line Diagram
1
2
3
4
Number of Pencil Packs
5
6
7
8
A diagram
that looks
like a piece
of tape.
Trina bought a dress for $32 at 20% off, what was
the original cost of the dress?
Tape Diagram
$8
$32
$?
20%
80%
100%
If it was 20% off, she only paid 80% of the cost. Mark 80% and $15 on the same line and
divide up the space evenly to find the original cost (or 100%).
Ratio Table
A horizontal table
that organizes
equivalent ratios.
3 Ways of
Writing Ratios
5:6
5 to 6
A Colon :
The word “to”
A fraction bar
5/6
3 Types of
Ratios
Whole to Part
Part to Part
Part to Whole
Whole to White 8:3
Black to Whole 5:8
White to Black 3:5
Part to Part
Ratios
A comparison
of part of a
quantity to
another part
of a quantity.
Black to White
5:3
White to Black
3:5
Part to Whole
Ratios
A comparison
of part of a
quantity to the
whole quantity.
Black to Whole
5:8
White to Whole
Whole to Part
Ratios
3:8
A comparison of
the whole
quantity to a
part of the
quantity.
Whole to Black
8:5
Whole to White 8:3
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