Chalk Duster

This bookmark is a great placeholder for your student's math journal, and also serves as a reminder for: Some and Some More Some Went Away Bigger, Smaller, Difference This would also make a great item to send home for parents when they are working with their child.

Students will play a game called Sums and Differences on a Strip to practice basic addition and subtraction facts to 18. This document is in word so you could modify the strips to go higher or lower than 18. The object of the game is to be the first player to cross off all the numbers on the number strip.