Common Fractions, Decimals and Percentages Game. Make math practice exciting with these fast‑paced mental math games! Designed to strengthen number sense and build confidence, these activities are perfect for warm‑ups, math centers, small‑group practice, or whole‑class review. Teachers can use them to celebrate student success, add fun to end‑of‑year events, or keep skills sharp all year long. Easy to prep and engaging for students, they’re a go‑to resource for combining learning with laughter.