Whole Number: Parts of a Whole

This activity involves students in modeling practical situations using the Part-Whole-Part model provided, and identifying the type of operation required. It can be used to lead into building algebraic expressions if desired.

Authors: Steve Arnold and Marc Adam

Source: The Middle School Collection

Operations with Whole Numbers: NS4.1

Recognises the properties of special groups of whole numbers and applies a range of strategies to aid computation

Integers: Integer Builder

Drag positive and negative unit squares onto the stage and build integer additions.

Author: Steve Arnold

Source: The Middle School Collection

Integers: NS4.2

Compares, orders and calculates with integers

Rational Numbers: Percentage Explorer

Build percentage problems using the slider and connect the proportion of the model with the percentage and decimal forms.

Author: Steve Arnold

Source: The Middle School Collection

Fractions, Decimals and Percentages: NS4.3

Operates with fractions, decimals, percentages, ratios and rates

Rational Numbers: Number Line

Drag a point along the number line and compare the mixed numeral, improper fraction, decimal and percentage forms.

Author: Steve Arnold

Source: The Middle School Collection

Fractions, Decimals and Percentages: NS4.3

Operates with fractions, decimals, percentages, ratios and rates

Rational Numbers: Fraction Explorer

Drag the two fractions over the unit rectangle - place alongside to add, overlap to subtract. Verify answers using the spreadsheet.

Author: Steve Arnold

Source: The Middle School Collection

Fractions, Decimals and Percentages: NS4.3

Operates with fractions, decimals, percentages, ratios and rates