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Nelson Education > School > Mathematics K-8 > Math Focus > Grade 5 > Student Centre > Surf for More Math > Chapter 3 - Lesson 2
 

Surf For More Math

CHAPTER 3: ADDING AND SUBTRACTING DECIMALS

Lesson 2: Communicating about Estimating and Calculating

Goal
Explain clearly how to estimate and calculate.

 

Instructions for Use

 

Decimal Darts

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. After each game, explain to your partner why you chose the numbers you did.

 

 

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