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Lesson Plan
Curated OER

Two-Digit Subtraction With and Without Regrouping

For Teachers 2nd
Second graders subtract two-digit numbers. In this mathematics lesson, 2nd graders subtract both with and without regrouping. Students use manipulatives and place value mats to assist in problem solving.
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Worksheet
Curated OER

Counting: Missing Number to 100

For Students 1st - 3rd
In this counting exercise, students write in the missing number in each series of numbers by counting up, with a range from 1 to 100.
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Worksheet
Curated OER

Two-Digit by One-Digit Multiplication (A)

For Students 3rd - 4th
In this mathematics worksheet, students solve numerous multiplication problems by multiplying a two-digit number by a one-digit number, including zero. There are 64 problems to solve on the sheet.
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Worksheet
Curated OER

Two-Digit Numbers Ending in 8 or 7

For Students 1st - 2nd
In this mathematics instructional activity, students circle the dots to form a complete ten and compare their problem to the one with just ones' digits. Then they add each problem and write down the corresponding problem with just the...
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Lesson Plan
Curated OER

Multiplying 11 (A)

For Teachers 3rd
In this mathematics worksheet, 3rd graders solve numerous problems by multiplying a two-digit number by a single digit number. They carry-over and add when necessary.