Can you find the error Mrs. McCartney and Value Pak made in their addition?
Lesson 201
Math
2nd Grade
See if you can figure out where D.C.'s mistake is.
3rd Grade
Join Mrs. Ignagni for a Mystery Math Mistake with D.C. Can you use your magnifying glass and find his mistake?
4th Grade
Explore multiplication to help us tell "how many." Multiply by 2 using the grouping of objects and arrays. Connect the commutative property of multiplication to repeated addition.
