Collect candy on a friendly Halloween math trail! Visit 12 spooky houses and practice base-ten regrouping, partial sums, addition properties, word problems, subtraction, and missing numbers.

Each round uses fresh numbers. Choose an answer, read a step-by-step explanation, and review any missed skills at the end. No timer—take your time and use scratch paper.

Controls: click or tap answers, or press 1–4. Press Enter after an answer to continue.