Begin teaching NUMBER BONDS by using 10. to the tune of Row Row Row your boat 9 and 1 are number bonds 8 and 2 are friends 7 and 3 6 and 4 5 and 5 are twins. Later, have them show it different ways. This picture uses Christmas colours to make class decorations.
Mental Math - Addition with Eggs, an Abacus, and Cuisenaire Rods! by Education Unboxed. This video shows the first step in learning to do mental math. This teaching technique can be started as soon as children have their facts (number bonds) to 10 memorized. (VERY easy to do with Cuisenaire rods! check out my other videos!)
Tens Concentration - Number Bonds Game Using Cuisenaire Rods by Education Unboxed. I got this idea from letsplaymath.net/..., though we changed it just a bit and didn't use the 10 card. This game could be played alone, too. A great way to practice those number bonds of 10 which are SO important to doing mental math!