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Nelson Education > School > Mathematics K-8 > Math Focus > Grade 4 > Teacher Centre > Surf for More Math > Chapter 7 - Lesson 8
 

Surf For More Math

CHAPTER 7: FRACTIONS AND DECIMALS

Lesson 8: Decimal Hundredths

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

Goal

Represent fraction hundredths as decimals.

Builds Upon

Student Book pages 233-235

Instructions for Use

Rope Tug allows students to compare and order decimals.

To use Rope Tug, click on the “Start Game” button on the first screen. Select a difficulty level by clicking on the number and then choose whether you want to play against the computer or another player. On the next screen, select whether you are male or female by clicking in the circle next to each option. Type your name into the white box underneath and click on “continue”. This will take you to the game screen. Click on the desk of cards to start playing. Two cards will be dealt. You will only be able to see your own card. Choose whether you want to replace your card or hold it – if you think the decimal on your card is higher than your opponents, hold it. If not, replace it. You can only replace each card once before the cards are revealed.

Whoever has the smaller decimal will be pulled towards the pit. The amount of pull is related to the difference between the two decimals. If you have the larger decimal, type in the difference between the two cards and press “pull” to pull your opponent into the pit. Click on the deck of cards to play the next hand. Keep playing until one person has been pulled all the way into the pit!

Decimal Squares Blackjack allows students to name and record decimals as part of a whole.

To use Decimal Squares Blackjack, read the instructions on the opening screen. Select the level of difficulty by clicking on either “Beginner”, “Intermediate” or “Advanced”. Type your name into the box on the screen and click on “Let the Game Begin!”. Cards containing decimals are displayed. Decide whether to ask for more cards until you get as close to 2.0 without going over.

Ordering Decimal Numbers allows students to compare and order decimals.

To use Ordering Decimal number, arrange each set of decimal numbers in order from least to greatest. Click and drag each card from the top of the screen to the correct spot below.

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