Coverall multiplication game - 2 players take turns - roll 2 dice and multiply those 2 numbers then color in the same number of squares as your product - first to cover all of the squares wins. This blog also has a variation of snake for multiplication!
Geometry Cut and Paste - Math Common Core Standards 3rd, 4th, & 5th
This is the vocabulary my students needed (but were missing) to describe the differences between quadrilaterals. The quadrilateral cut and paste activity really required students to wrestle with the definitions. The activity supports CCSS.Math.3.G.A.1 Understand that shapes in different categories may share attributes, and that the shared attributes can define a larger category. Recognize rhombuses, rectangles, and squares as examples of quadrilaterals.