Find the Difference--Mental Arithmetic
This Find the Difference--Mental Arithmetic worksheet also includes:
In this subtraction worksheet, 3rd graders solve 4 subtraction problems and find the missing number in 6 subtraction problems. Students work out 5 additional problems and explain how they got to the answer they got to on each one.
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Find Missing Side Lengths Using the Formula for Area
A boxing ring is the setting for learning about area in a short and helpful video that focuses on using known side lengths to enter into the formula for area and solve for the unknown sides. A review of the terms algorithm and variable...
7 mins 3rd - 5th Math CCSS: Designed