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Grade 6
Ratios & Proportions
Browse
Grade 6
Ratios & Proportions
Grade 6 Math

Ratios & Proportions

Understand and use ratios

Main lesson
Solve ratio problems with tape diagrams
Use this for “Red to blue beads is 4 to 3, with 84 beads in all. How many red? How many more red than blue?”
Ratios with three parts
Use this for “A ratio of 3:4:5 with 96 people in all. How many in each part?”
Ratio language
Use this for “For every 2 cats there are 3 dogs”: the ratio of cats to dogs.
Equivalent ratios
Use this for “Is 4:6 equivalent to 2:3?”

Unit rates

Main lesson
Compare unit prices
Use this for “Which is the better buy?”: compare the price of one item.
Constant speed
Use this for “6 miles in 2 hours. How long for 15 miles?” at the same speed.
Convert units using rates
Use this for “How many quarts is 200 fluid ounces?” with 32 fluid ounces in a quart.

Understand and use percent

Main lesson
Relate fractions, decimals and percents
Use this for “Write 3/5 as a decimal and a percent,” or 3/8 = 37.5%.
Benchmark percents
Use this for “Which is 25%?”: fractions, decimals and “out of” for benchmark percents.
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