Composing & Decomposing Middle Years Examples
Composing and decomposing numbers allows students multiple pathways of understanding the concept of multiplication and division. For example, multiplying 45 x 68 can be achieved by multiplying each part of both numbers together and adding the products, as shown in this area model:
Having a solid understanding of various ways one can add or multiply to arrive at a number allows students to transfer this knowledge to new operations.
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