As penguins jump off of an iceberg, young mathematicians count the remaining penguins in order to discover the whole number subtraction answer. As they work through the questions, they can manipulate the red dot to add and subtract more penguins from the iceberg.

Concepts

subtraction, subtraction whole numbers

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Additional Tags

math

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Instructional Ideas

• Assign the link to Google classroom or through CK-12, making it easier to track progress and flip the classroom
• Use as a review for larger whole number subtraction concepts

Classroom Considerations

• Ensure all students have access to a free CK-12 account to interact with the resource
• Visual models complement the questions being asked and allow pupils to manipulate the interactive as they problem solve

Pros

• The learn more link allows pupils and teachers alike to explore the concept deeper
• Learners can see the correct answer if they chose the wrong one

Cons

• None