In this Cyberchase video segment, Matt uses subtraction to help Digit figure out how much time he has left in a cooking contest with Hacker.
In this short Cyberchase video, students learn about positive and negative numbers as Harry tries to score a total of 50 points in various events to qualify for the Northern Hemisphere games in New Orleans. [3:24]
Cyberchase video in which the CyberSquad compares their budget with their actual spending from day three of their film shoot. This is one in a series of videos about the film shoot. [1:03]
In this Cyberchase video segment, the CyberSquad figures out how to incorporate a new scene into their film while staying within their budget. This is one in a series of videos about the film shoot. [0:58]
This word problem requires students to find multiple solutions.
This short video and interactive assessment activity is designed to give fourth graders an overview of subtraction (numbers to 1,000).
This short video and interactive assessment activity is designed to teach second graders an overview of subtraction (numbers to 1,000).
This short video and interactive assessment activity is designed to teach third graders an overview of subtraction (numbers to 1,000).
This task helps students understand the meaning of the equal sign and to use it appropriately.
Demonstrates the role of parentheses in a written expression by solving one with and without the parentheses. [2:06]
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This short video and interactive assessment activity is designed to teach second graders about fact families (numbers to 1,000).
This short video and interactive assessment activity is designed to teach third graders about fact families (numbers to 1,000).
This task allows students to relate addition and subtraction problems to money in a context that introduces the concept of scarcity.
In this video segment from Cyberchase, through addition and regrouping in base sixty, Matt helps Digit figure out what time his CyberSoufflŰ__ŰÖ will be done.
This short video and interactive assessment activity is designed to teach third graders about filling in the missing + or - sign.
The CyberSquad reviews their budget for the second day of their film shoot in this video from Cyberchase.
In this video segment from Cyberchase, the CyberSquad compares their budget with their actual spending from day three of their film shoot.
In this Cyberchase video segment, the CyberSquad figures out how to incorporate a new scene into their film while staying within their budget.
These word problems require students to compare contexts for addition and subtraction.
This task asks students to solve addition and subtraction equations with different structures so that they are able to see the connections between addition and subtraction more easily.