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Lesson Plan
Curated OER

Addition of Three Numbers (A)

For Teachers 3rd - 6th
One hundred problems provide practice adding 3, four-digit numbers. The answer key is included.
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Lesson Plan
Curated OER

Four-Digit Plus Three-Digit Addition (A)

For Teachers 3rd - 6th
The worksheet provides 100 problems that require adding four and three-digit numbers. The answer key is included.