Wednesday, September 9, 2015

Number Rack

This week we began work with our number racks. A number rack is a math tool that we'll use often throughout the year, and that you may see on math homework. It has two bars with ten beads on each. Of the ten beads there are five red and five white. Students are able to move the beads to represent numbers, addition and subtraction problems, and to build an understanding of base ten. 


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