Related Lessons
Lesson 202
See if you can figure out where D.C.'s mistake is.
Lesson 202
Join Mrs. Ignagni for a Mystery Math Mistake with D.C. Can you use your magnified glass and find his mistake?
Lesson 202
Explore the Multiply by 10 facts using the grouping of objects, counting by tens, and arrays. Practice with the commutative property of multiplication and 10's. Multiply by 0 and 1.