2-Digit Addition (No Regrouping). The addition worksheets on this page have no regrouping or carrying. Approx. levels: 1st grade, 2nd grade.
Basic Addition (0-10). This page has lots of activities to use when teaching basic addition facts. Includes a memory match game, dice games, bingo, drill worksheets, flashcards, number line practice, and much more. All facts have addends between 0 and 10. (examples: 2+8, 9+6) Approx. levels: Kindergarten, 1st and 2nd grades.
Decimal Addition & Subtraction. Find sums and differences for pairs of decimals on these worksheets. These practice pages have decimals in tenths, hundredths, and thousandths.
4 and 5-Digit Addition. This page has resources for teaching addition with 4 and 5-digit numbers. Includes column addition exercises, an addition crossword, and word problems. (Approx. level: 3rd grade, 4th grade, 5th grade).