**Topics:** Multiplication, summation, patterns and structure

**Materials:** Multiplication table, pencil and paper

**Grade:** 4, 5, 6

**Common Core:** 4.OA.1, 4.OA.3, 4.OA.5, 4.NBT.5, 5.OA.2, 5.OA.3, 6.RP.1, 6.EE.1, MP1, MP2, MP3, MP6, MP7, MP8.

This is a great puzzle for kids who have some comfort with multiplication but still need to deepen their understanding.

It gets them looking at the multiplication table with purpose, and they’ll find some serious structure there.