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Lesson Plan
Curated OER

Choral Counting II

For Teachers 1st Standards
Using a number line or a 100s chart that extends past 100, practice counting from 1 to 120 with your class. As a part of daily instruction, chant count in sequence from 1 to 100 and then randomly chose a number and count onward to 120....
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Worksheet
Curated OER

Estimating Sums and Differences

For Students 4th - 6th Standards
Work on rounding, estimating, adding, and subtracting with a helpful math activity! Fifth graders study different sets of addition and subtraction problems, and after rounding each number to the leading digit, they estimate what the sum...