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Grade 8:  The Learning Equation Math

12.11 Combining Percents

The student will:

• calculate combined percentages in a variety of meaningful contexts.

Interest Tutorial

Scientific Calculator

Discount Mortgage - Mortgage Calculator

12.10 Mortgage Calculator Input

12.10 JAVA Loan Calculator

Key Terms:

percent, markup, discount, profit, commission, investment, sales tax, GST, PST, gain in value, loss in value

Wordsearch 12.06 - 12.11

• Demonstrate and explain the meaning of percentage concretely, pictorially, and symbolically.

 Percent:   Grade 7 Lesson 12.07

• Estimate and calculate percentages.

Percent:   Grade 7 Lesson 12.07

• Convert mentally among fractions, decimals, and percents to facilitate the solution of problems.

Fraction Conversions:   Grade 7 Lesson 11.05

Decimal Conversions:   Grade 7 Lesson 11.06

• Represent and apply fractional percents and percents greater than 100, in fractional or decimal form, and vice versa.

 Percent:   Grade 7 Lesson 12.07 - not specifically covered, but applets/javascript can be applied.

• Use concepts of rate, ratio, proportion, and percent to solve problems in meaningful contexts.

Solve Ratio and Rate Problems:  Grade 8 Lesson 12.10

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Comments to:  Jim Reed

Started September, 1998. Copyright © 1999, 2000

visitors since September 3, 2000