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Hot shots 2

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Purpose

These exercises and activities are for students to use independently of the teacher to practice number properties.

Achievement Objectives
NA5-5: Know commonly used fraction, decimal, and percentage conversions.
AO elaboration and other teaching resources
Specific Learning Outcomes

Converting fractions to percentages using the double number line

Description of Mathematics

Proportions and Ratios, AP (Stage 8).

 

Required Resource Materials
Practice exercises with answers (PDF or Word)

Homework with answers (PDF or Word)

Activity

Prior knowledge.

  • Simplify fractions
  • Convert fractions to decimals
  • Understand the double number line and how to use it proportionately

Background

Note that this strategy is nice when the number is easy to convert to 100. Sometimes it is necesaary to simplify the fraction first, for example 18/24 simplifies to 3/4 and then 75/100. So some discussion is needed about this before setting the activity.

Comments on the Exercises

Exercise 1
Asks students to use a double number line tochange fractions to percentages. For example, 12/20.

Exercise 2
Asks students to solve a word problem that involves changing fractions to percentages.

Independent Activity
Asks students to compare "25% off", "one-third off" and "40% off" sales by using an arbitary budget.

 

Related Resources

These activities can be used to follow the teaching episodes based on, Book 7, Hot Shots and are for those students who are able to use the associated number properties.

Attachments
HotshotsClass2.pdf87.6 KB
HotshotsClass2.doc84 KB
HotshotsHome2.pdf55.17 KB
HotshotsHome2.doc64.5 KB
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Level Five