Adding Within 20 Worksheets

Browse free printable adding within 20 worksheets designed to support practice and review.

Image of a printable math worksheet titled “Adding Doubles and Near Doubles Within 20.” The page features twenty boxed addition problems such as 2 + 2, 6 + 7, and 10 + 10, designed to help young students recognize doubles and near doubles math facts. The answer key highlights answers in red.

Free Adding Doubles or Near Doubles Within 20 Worksheets

1st Grade

AdditionAdding Within 20

Free, printable addition single digit addition within 20 worksheet with math facts adding to 20.

Free Single Digit Addition Within 20 Worksheet

1st Grade

AdditionAdding Within 20

Free adding single digit numbers worksheet with 12 addition problems. Each shows an addition equation with four numbers with one missing. Students fill in the missing number to complete each equation. Sums are all 20 or less.

Free Adding 3 Single Digit Numbers Worksheet

1st Grade

Adding Within 20Addition