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Grade 8 - Number

Standard 8.N.4 - Determine if two ratios are equivalent.

Included Skills:

Demonstrate an understanding of ratio and rate.
Students who have achieved this outcome should be able to:
A. Express a two-term ratio from a given context in the forms 3 : 5 or 3 to 5.
B. Express a three-term ratio from a given context in the forms 4 : 7 : 3 or 4 to 7 to 3.
C. Express a part to part ratio as a part to whole fraction, e.g., frozen juice to water; 1 can of concentrate to 4 cans of water can be represented as 1/5, which is the ratio of concentrate to solution, or 4/5, which is the ratio of water to solution.
D. Identify and describe ratios and rates from real-life examples, and record them symbolically.
E. Express a given rate using words or symbols, e.g., 20 L per 100 km or 20 L/100 km.
F. Express a given ratio as a percent and explain why a rate cannot be represented as a percent.

If you notice any problems, please let us know.