Interactive
CK-12 Foundation

Mixed Numbers in Applications: Sharing a Chocolate Bar

For Students 5th - 7th Standards
The advantage of a virtual chocolate bar: it never melts. Learners use an interactive to share a chocolate bar among friends. Some challenge questions assess understanding of fractions in relation to this context.
Interactive
CK-12 Foundation

Greatest Common Factor Using Lists

For Students 6th Standards
By creating a list of factors for two numbers, it is easier to see the greatest common factor. Each question in an interactive resource asks pupils to identify the greatest common factor for the numbers 24 and 36 in several...
Interactive
CK-12 Foundation

Rational Numbers in Applications: Batch of Brownies as Rational Numbers

For Students 6th - 8th Standards
Sharing is caring—especially with brownies! Young mathematicians use an interactive to split a batch of brownies between several friends given constraints. They answer some challenge questions to check that each friend has the correct...
Interactive
CK-12 Foundation

Complement Rule for Probability: Changes in an Election

For Students 7th - 12th Standards
Pupils determine the probability of one mayoral candidate winning given the other's chance. The interactive provides a circle graph to help visualize each candidate's percentages of winning.

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