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·         These Number Bonds Games are great for testing children in their ability to solve number bonds problems for a given sum. A number bond is a mental picture of the relationship between a number and the parts that combine to make it. The concept of number bonds is very basic, an important foundation for understanding how numbers work. A whole thing is made up of parts. If you know the parts, you can put them together (add) to find the whole. If you know the whole and one of the parts, you take away the part you know (subtract) to find the other part.
Read the students story problems and have them fill in the parts of the story problem in the blank worksheet. This will help them understand and organize what's being asked in a story problem. We also used the blank part part whole worksheet to fill in after we used red and yellow chips to create part part whole on our white boards.