1-Math4.6.RP

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Content Area
Standard
Strand
Content Statement
Math
4.6 Grade 6
RP. Ratios and Proportional Relationships
CPI#
Cumulative Progress Indicator (CPI)
ACSSSD
Objectives
Understand ratio concepts and use ratio reasoning to solve problems.
4.6.RP.1
4.6.RP.2
4.6.RP.3
a.
Understand the concept of a ratio language to
describe a ratio relationship between two
quantities. For example, The ratio of wings to
beaks in the bird house at the zoo was 2:1,
because for every two wings there was a beak.”
“For every vote candidate A received, candidate
C received nearly three votes.”
1. Match equivalent ratios.
2. Identify ratios.
3. Identify the ratio that represents a given
situation.
4. Demonstrate an understanding of ratio
relationships.
5. Describe ratio relationships between two
quantities.
6. Demonstrate an understanding that
mathematical symbols can be used to
represent mathematical concepts.
Understand the concept of a unit rate a/b
1. Refer to the ACSSSD Objectives of 4.6.RP.1
for the prerequisite skills needed to complete
associated with ratio a:b with b  0, and use rate
this CPI.
language in the context of a ratio relationship.
For example, “This recipe has a ratio of 3 cups of 2. Define rate.
flour to 4 cups of sugar, so there is ¾ cup of flour 3. Define unit rate.
4. Demonstrate an understanding of rate
for each cup of sugar.” “We paid $75 for 15
language (each, per).
hamburgers, which is a rate of $5 per
hamburger.”
Use ratio and rate reasoning to solve real-world and mathematical problems, e.g., by reasoning about
tables of equivalent ratios, tape diagrams, double number line diagrams, or equations.
Make tables of equivalent ratios relating
quantities with whole-number measurements, find
missing values in the tables, and plot the pairs of
values on the coordinate plane. Use tables to
compare ratios.
1. Identify equivalent ratios.
2. Demonstrate the ability to make tables to
display data.
3. Identify missing values in a table.
4. Find missing values using ratio reasoning.
5. Plot a point on a coordinate plane when given
the coordinate.
6. Read a table of equivalent ratios.
c.
Find a percent of a quantity as a rate per 100
(e.g., 30% of a quantity means 30/100 times the
quantity); solve problems involving finding the
whole, given a part and the percent.
1. Identify parts and the whole in the context of
a ratio.
2. Match percentages.
3. Identify percentages.
4. Demonstrate the understanding that percent is
rate per 100.
5. Demonstrate the ability to solve multi-step
problems.
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