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Addition up to 20 math worksheet with three-number addition problems for practice.

A math worksheet titled "Addition UP To 20" with a list of addition problems involving three numbers, each summing to 20 or less. The worksheet includes a space for the student's name at the top and a copyright notice for Free4classrooms.com at the bottom.

A math worksheet titled "Addition UP To 20" with a list of addition problems involving three numbers, each summing to 20 or less. The worksheet includes a space for the student's name at the top and a copyright notice for Free4classrooms.com at the bottom.

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