Comparing and Scaling- Unit Test Review Guide

Essential Learning

- Understands and uses ratios, fractions, differences and percents to solve problems.
- Applies concepts of ratios and proportion in mathematical situations.

Concepts:

- Write comparison statements using ratios, fractions, differences and percents.
- Find unit rates for given situations
- Work with proportional reasoning and create proportions for given problems
- Write equations from word problems
- Complete rate tables.
- Understand percents in forms of tax, raises, commissions and mark-ups.
- Understand the constant of proportionality
- Find scale factors between given proportions

Vocabulary use

Be specific, use the terms we have learned – see the list in your vocabulary notebook.

As a way to study, review and redo the following:

- The two check-ins in the Unit and entry slips.
- Additional Practice Sheet - especially “Finding Unit Rates”
- Looking Back p. 87-88 # 1 and 2
- Question Bank packet
- Important questions to look at in your math binder:

- ACE Inv 1 #1-3 p. 19
- ACE Inv 1 #22 p. 25
- Problem 2.2 p. 46 1a and ACE Inv 2 # 10 p. 53
- Definition and example of constant of proportionality p. 47
- ACE Inv 3 # 27-30 and 35 p. 76 and 77.

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