10th's and Decimals

In this video segment from Cyberchase, the CyberSquad replaces a piece of track to get the Madre Bonita Express to the Mother's Day harvest.

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Addition of Decimal Numbers and a Common Error

Students practice carefully lining up decimal places while calculating sums of decimals that total more than one.

Aiming For the Basketball Hall of Fame

In this video segment from TV 411, two Atlanta Hawks players plan a driving route to reach the Basketball Hall of Fame. They use map scales to estimate their travel distances.

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Basketball as a Context for Percentages

Students learn to associate simple fractions (25%, 50%, 75% as well as 20% and multiples) of wholes with equivalent percentages in the context of basketball scores and stadium capacity.

Bianca Gets a Present

In this video segment from Cyberchase, Bianca is babysitting two young girls on Halloween. When their mother is late, she has to take them trick-or-treating even though it is her birthday. To thank her, the girls combine their Halloween candy and then share it equally amongst themselves and Bianca.

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Bianca Gets in Gear

Bianca visits a bike shop and learns how bicycle gears work in this Cyberchase video segment.

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Bianca the Spy

This video segment from Cyberchase introduces the idea of inverse operations as Bianca imagines herself as a spy.

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Calculating Clones

In this video segment from Cyberchase, Inez and Lucky figure out how to keep track of the number of clones as they continue to multiply.

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Chess Wager

Harry and his friend make a wager on a game of chess in this video segment from Cyberchase.

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Choosing the Most Orange Crystal

In this video segment from Cyberchase, the CyberSquad must locate a crystal with the highest fraction of orange color.

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Competing for the Northern Hemisphere Games

In this video from Cyberchase, Harry must score a total of 50 points in various events to qualify for the Northern Hemisphere games in New Orleans.

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Counting and Place Value

Students explore counting through the concept of place value in our base-10 numeration system. They practice grouping in groups of ten and groups of ten tens.

Counting into the Ten-thousands

Students are introduced to place value into the 10,000s through the use of an abacus. They practice writing and recognizing large numbers.

Creating Equal Shares

Students practice fractions by sharing certain numbers of objects among different numbers of people. They begin with unit fractions and move to sharing multiple objects among multiple people, in which a < b, and to produce fractions less than one.

Crumpets Recipe

In this Cyberchase video segment, Shari Spotter gets help from the CyberSquad in doubling a recipe for crumpets.

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Equal Amounts of Gold

In this Cyberchase video segment, the CyberSquad helps Pan and Pin divide up 15 gold bars.

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Equivalent Fractions as a Means to Compare

Students learn to create equivalent fractions between fifths and tenths (and then some other denominations) as a means to compare fractions of like denominators.

Estimating Costs, Estimating Profits

Franklin works with Laverne to create a budget for a job painting a room, in this video segment from TV 411. 

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Estimating Greeting Card Sales

In this video segment from Cyberchase, Harry tries to calculate the total amount of money he has earned by selling greeting cards.

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Estimating Profit from a Job

Students learn about estimation and rounding and practice rounding with decimal points.