Memorization

Unit 26: Positive multiplication snake

Unit 25: Binomial and trinomial

Unit 24: Square of the numbers

Unit 23: Inverted products (Commutative property)

Unit 22: Small multiplications

Unit 21: Combinations of the same product

Unit 20: Multiplication by 10

Unit 19: Tables formation

Unit 18: Short and long chains

Unit 17: Skip count