Sum Up Squares — Free Online Addition & Number Bonds Game
Click squares to make the target sum and rack up points! This fast, arcade-style addition game builds mental math, number bonds, and fact fluency—perfect for grades 2–5 (and motivated 1st). Great for math centers, RTI, homework practice, or quick skill bursts. No logins—just focused addition practice that keeps kids thinking and smiling.
About Sum Up Squares
Players select tiles that add to the glowing target number, sharpening addition facts, number sense, and strategy with instant feedback and high-score tracking. Ideal for elementary learners (grades 2–5) who need extra practice composing and decomposing numbers, finding efficient combinations, and improving speed and accuracy. Tip: play in short sprints (5–10 minutes) and challenge students to beat their best score or find multiple combinations for the same target.
