Can you add variables if you don't know their value? Using an empty number line, scholars first locate the position of the difference, sum, product, and quotient of two unknown integers. Later problems mix operations as well as add parentheses.

Concepts

integers, addition integers, dividing integers, multiplication integers, subtraction integers, negative integers, positive integers

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Additional Tags

math

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Instructional Ideas

• Use the algebra projects to deepen pupil understanding of integer operations
• Have learners answer a conversation starter as an exit ticket

Classroom Considerations

• Expects the ability to graph both positive and negative integers on a number line

Pros

• Includes answer keys with sample solutions
• Problems encourage higher order thinking strategies

Cons

• None

Common Core

7.NS.A.2.a