Give your 1st and 2nd graders tons of practice with addition and subtraction using this set of math drills for numbers 0–40! These worksheets are designed to make practicing math fun, engaging, and hands-on, while helping kids build confidence and fluency. What’s inside:80 worksheets covering numbers 0–20 20 pages focused on addition 20 pages focused on subtraction 40 pages with mixed addition and subtraction problems80 worksheets covering numbers 0–40 20 pages focused on addition 20 pages focus