Story about combining any amounts and equal amounts

The Combiners and its companion book, , are designed to be used interactively with students and to have students literally feel, through miming and the use of manipulatives, the actions embodied in addition, subtraction, multiplication, and division. The hands-on approach in the books is particularly important for the visual and tactile learner, and all learners are to some extent visual and tactile.



Twenty marbles to be split evenly between five elementary school children. How many marbles does each child get?

Using snap cubes for marbles, a 20-stick would be separated “neatly” into five sticks (not 5-sticks) the same size. The answer would be the size of the sticks.

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Counters separated evenly into equal amounts (4s)