
Math Basics: Practice & Learn
Exercises that show the method
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What's New in Math Basics
2.1.1
October 3, 2026
Factoring has two new games: Greatest Common Factor and Least Common Multiple. Your child divides both numbers by primes, line by line, down a single column. For the greatest common factor, the prime has to go into both numbers. For the least common multiple, it only has to go into one of them, and the other number is carried down unchanged. Your child then multiplies the divisors to get the answer. When the column is finished, each divisor moves down into the multiplication, so your child can see exactly which numbers are being multiplied. If a greatest common factor column stops after a single prime, there is nothing to multiply, and the game explains why that prime is the answer. A new Step-by-step button helps with that final multiplication. It multiplies two numbers at a time and carries each result into the next step. Two single-digit numbers are worked on one line, and anything bigger as a long multiplication, digit by digit. Your child can still type the answer in directly. In Long Multiplication, the carried digit is now bigger and easier to see. If your child forgets to add it, the first time they get a reminder and can try again, and it does not count as a mistake. Forgetting it again on the same digit counts as a mistake. Plus bug fixes and improvements.
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