Which number doesn't belong? This lesson requires students to think critically as they determine which number is not a factor of a particular number. Teach it on its own or as support for the lesson Factors Over the Rainbow.

Give your students insight into what’s going on when you multiply a whole number and a fraction! Use this lesson plan to teach your students to illustrate products of whole numbers and fractions using number lines.

Fishing for new ways to review letters? Let your preschoolers cast a line to catch an uppercase fish and return it to the corresponding lowercase fishbowl.