Equivalent Fractions, Decimals, and Percentages

Achievement Objectives

NA4-4: Apply simple linear proportions, including ordering fractions.

AO elaboration and other teaching resources

NA4-5: Know the equivalent decimal and percentage forms for everyday fractions.

AO elaboration and other teaching resources

NA5-5: Know commonly used fraction, decimal, and percentage conversions.

AO elaboration and other teaching resources

Specific Learning Outcomes

Find equivalent fractions and order fractions.

Know benchmarks for converting between common fractions, decimals and percentages.

Know benchmarks for converting between fractions, decimals and percentages.

Description of Mathematics

Number Framework Stages 7 and 8

Required Resource Materials

Decimats (Material Master 7-3)

Fractions/Decimals/Percentages (Material Master 4-28)

Activity

Show 10% as10/100 on a deci-mat. Discuss why it equals 0.1.

The students do examples from Material Master 4–28.

Discuss the answers in class. In particular discuss why a number like 0.05 means and equals 5%. Extend this to problems like 15% = 15/100 = 0.15. The students continue with examples from Material Master 4–28.

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