MathCal: Mental Math for Kids

Montessori Lessons are here! Interactive bead lessons to learn arithmetic through hands-on play.

Master mental math with fast handwritten calculation drills. Designed so children can use it safely on their own, with no ads. Perfect for building a strong foundation in elementary and junior high math. Also great for daily brain training.

Build a daily learning habit ◎ Today's Drill, Today's Challenge, and Today's Lesson — free every day ◎ Daily picks matched to your child's grade ◎ Stamp the calendar when you finish — progress at a glance

Calculation Drills (22 in total) ◎ Handwritten calculation problem sets ◎ Single-digit math, fill-in-the-blank, and column math (add, subtract, multiply, divide) ◎ Fractions, decimals, big numbers, rounding, order of operations, and find-the-x ◎ Geometry drills: angles, area, and volume ◎ Units & time, ratios & speed, averages, and combinations ◎ Freely customize question settings (10 to 300 questions) ◎ Ideal for practicing carrying and borrowing ◎ Can display dot guides above numbers

Montessori Lessons (59 in total) ◎ Interactive arithmetic lessons using beads ◎ Covers fractions, decimals, column math, geometry, measurement, and proportion ◎ Understand how math works through hands-on manipulation

Safe by design ◎ No ads at all — safe and worry-free ◎ Use offline anytime, anywhere ◎ Designed so children can use it on their own ◎ Respects children's privacy: no data tracking

Pricing ◎ Today's drill, challenge, and lesson are free every day ◎ Unlock everything with a single one-time purchase