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Nelson Education > School > Mathematics K-8 > Math Focus > Grade 5 > Teacher Centre > Surf for More Math > Chapter 3 - Lesson 6

Surf for More Math


Lesson 6: Exploring Problems that Involve Decimals

Use these interactive activities to encourage students to have fun on the Web while learning about adding and subtracting decimals. Students can try these activities on their own or in pairs.

Use your own strategies to solve a problem that involves adding and subtracting decimals.

Builds Upon
Student Book page 100


Instructions for Use

Decimal Darts is a one- or two-player game in which students use rounding, estimating, and calculating to win.

You will be shown a dart board with three balloons. The top of the dartboard is represented by one number and the bottom is represented by another number. You must type a number that you think will hit a balloon and then throw a dart. You may want to visualize a number line running along the length of the dartboard to help you.


Math Advantage is a quiz of 10 questions involving adding and subtracting decimals.

Solve each problem using whatever strategies you want and select the correct answer from the options shown. Click

the game ends. To play a new game at any time, click on “Start over”.