Six is Having a Party! - Math Facts with Cuisenaire Rods by Education Unboxed. Here's a video of another activity you can do with children to help them learn their addition/subtraction facts to 10 (or above). You don't have to use the "having a party" theme. If you or the child comes up with one you like better, feel free to change it. Better learning happens that way!
Math Facts Can be Fun! 8 strategies and games to help kids remember math facts
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.