NAME:_________________________________________ Date: _______________
STUDYGUIDE FOR 6th Grade Math Test on Ratios, Rates, and Proportions
Vocabulary:
Ratio
Equivalent rates
Tape diagram
Double number line diagram
Equivalent ratios
Proportion
Ratio table
Cross Products
Rate
Direct Variation
Unit rate
Constant of Proportionality
Topics:
Know how compare quantities using a ratio
Part to part ratios and part to whole ratios
Use a tape diagram to solve ratio problems
Create and complete a ratio table
Find equivalent ratios
Compare quantities using rates (labels are important)
Use a double number line diagram to find equivalent rates
Find a unit rate and use it to determine the better buy
Finding equivalent rates
Graph ratios and rates from a ratio table
Analyze information presented in the graph of a ratio
Solve proportions
Determine proportional relationships through tables and graphs
Identify the constant of proportionality
Identify a direct variation equation through tables, graphs, and equations
Visit Ms. Costello’s teacher page at www.marsd.org to find more detailed instructions in the Resources –
Math 6 tab. The sections below can be used for review.
Big Ideas Green Edition – www.bigideasmath.com
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5.1 – Ratios
5.2 – Ratio Tables
5.3 – Rates
5.4 – Comparing and Graphing Ratios
Big Ideas Red Edition – www.bigideasmath.com
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5.1 – Ratios and Rates
5.2 – Proportions
5.3 – Writing Proportions
5.4 – Solving Proportions
5.6 – Direct Variation