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Subtract Across Zero Cover-up

Grades: 2nd Grade

Subjects: Math

Standards: Add up to four two-digit numbers and subtract two-digit numbers using mental strategies and algorithms based on knowledge of place value and properties of operations. (Math.2.4(B))

Student Instructions

move Move the numbers to cover up and change the equation into a simplified problem by having 99 as the top number for easy subtraction. frame-label Solve the new problem.

Teacher Notes (not visible to students)

Supplement Activity for Eureka/Bluebonnet Math Module 5, Lesson 17.

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Subtract Across Zero Cover-up

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