Explore the Multiply by 8 facts using the grouping of objects and arrays. Compete against characters to see who finds the product first. Practice with the commutative property of multiplication and 8's. Use multiplication facts you already know to help find the product when one factor is 8.

Warm up with a Mystery Math Mistake to find the mistake made in counting up on a number line to subtract. Notice and wonder to compare a bar graph and a line plot. Measure your own hand span. Create and use a line plot of hand span data to answer questions.

Explore the Multiply by 9 facts by recognizing there is only one new fact: 9 x 9. Compete against characters to see who finds the product first. Play games and use your fingers to practice multiplying. Use multiplication facts you already know to help find the product when one factor is 9.