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Nelson Education > School > Mathematics K-8 > Math Focus > Grade 3 > Parent Centre > Surf for More Math > Chapter 9 - Lesson 5

Surf For More Math


Lesson 5: Dividing Using Repeated Subtraction


Make equal groups using repeated subtraction.

Builds Upon

Student Book pages 216–217

Instructions for Use

Number Line Bars allows your child to practise division using repeated subtraction on a number line.

Click the “–” next to “Zoom”, then scroll the bar at the bottom to the left until 0 is at the left of your screen. Choose a total you wish to divide. Choose the number of groups you want to divide the total into, and enter the number in the white box beside “New Bar.” Click “New Bar” to see the bar appear on the number line. Move the bar to end at your total, then continue to add new bars to the left of the bar until you reach 0.