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Worksheet
Curated OER

Using Addends and Sum/Using Subtrahend, Minuend, and Difference

For Students 2nd - 4th
What is an addend? What is a sum? Review this math terminology on the top half of the worksheet before practicing basic addition. 
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Lesson Plan
Curated OER

Average Rate of Change, Difference Quotients, and Approximate Instantaneous Rate of Change

For Teachers 9th - 12th Standards
Pupils, with the assistance of their TI-84 Plus / TI-83 Plus calculators, distinguish meanings from right, left and symmetric difference quotients that include rate of change and graphical interpretations. They utilize symmetric...