Math Mysteries
Dotson needs your help with his number bonds showing different ways to make 10.
Lesson 202
Math
2nd Grade
See if you can figure out where D.C.'s mistake is.
Lesson 203
Abracus needs your help to figure out where the error is in his addition problem!
4th Grade
Explore the Multiply by 5 facts using the grouping of objects, counting by fives, and arrays. Compete against characters to see who finds the product first. Practice with the commutative property of multiplication and 5's.