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Unit Plan
Khan Academy

Khan Academy: Addition & Subtraction: Find the Missing Value

For Students 6th - 8th Standards
Practice finding the missing value in an addition or subtraction equation involving negative numbers. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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Unit Plan
Khan Academy

Khan Academy: Absolute Value to Find Distance Challenge

For Students 7th Standards
Practice using absolute value to find distance.