# percentages

## Free Cell

- Problem Solving Activities
- Number and Algebra
- Level Four

Solve problems involving fractions and percentages

Devise and use problem solving strategies (guess and check, be systematic, look for a pattern, make a table)

## Tennis and Golf Players

- Problem Solving Activities
- Number and Algebra
- Level Four

Find a percentage of a given quantity

Use Venn diagrams to represent intersecting sets.

Devise and use problem solving strategies (draw a diagram)

## From a Square to a Rectangle

- Problem Solving Activities
- Number and Algebra
- Level Five

Solve problems involving percentage increases and decreases

Apply the area formulas for squares and rectangles

Devise and use problem solving strategies to explore situations mathematically (be systematic, use a diagram).

## How many Words?

- Units of Work
- Number and Algebra
- Level Four

This unit compares the frequencies of different parts of speech in different kinds of text. This provides an opportunity to discuss and categorise parts of language, as well as a practical context in which to use percentages, and generate pie graphs.

## Travel to School I

- Units of Work
- Statistics
- Level Four

In this unit students investigate methods of travel to school, using a spreadsheet to produce data displays and investigate distributions.