Math Enrichment Activities - School Choice for Kids 1. Make up songs or chants about numbers or math facts. 2. Walk around the house or outside and count how many different scents you smell. 3. The following materials can be used to teach mathematical concepts: beans, feathers, rocks, whip cream, shaving cream, chalk, Silly String, Play-Doh, string, rope, yarn, sand, pipe cleaners, and candy. 4.