Begin teaching NUMBER BONDS by using Use paper chains in different colours ti demonstrate. 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.
Using Number Bracelets to Develop Number Sense. Like dot cards and rekenreks, number bracelets provide concrete practice for number combinations and composing/decomposing numbers. Check out this post for instructions for making and using number bracelets.