Comparing Fractions: Bubble Gum Blowing Contest

In this interactive activity adapted from Anneberg Learner’s Teaching Math Grades 3–5, compare fractions on number lines to determine which class of students wins bubble-gum-blowing contests.

Equal Amounts of Gold

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

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Locating and Ordering Equivalent Fractions on the Number Line

Students find ways to share different-sized items equally between 2 people as well as to find equivalent fractions on a number line and to order those fractions by size.

The Measurement Debate

In this Cyberchase video segment, the CyberSquad helps resolve a dispute about the squares on the Gollywood Walk of Fame.

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Measuring Object Length on a Number Line

Students learn to measure from the zero mark and are taught to measure objects that are not aligned with the zero mark by creating a number sentence using subtraction.

Reading a Thermometer

In this video segment from Cyberchase, the CyberSquad learns how to read a thermometer as they try to keep their chocolate sculpture from melting.

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Summing Integers:Positive and Negative

Students add, subtract and compare positive and negative integers.