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zepelin [54]
3 years ago
15

Write two expressions to show a number increased by 11. Then, draw models to prove that both expressions represent the same thin

g.

Mathematics
1 answer:
ioda3 years ago
5 0

Answer:

n + 11 and 11 + n

Step-by-step explanation:

Let n be the unknown number,

n is increased by 11,

That is, n + 11

By the commutative property of addition,

The expression would be,

11 + n

For drawing a model that shows n + 11

Take two boxes in which first shows n and second shows 11 and add them,

Similarly, for showing 11 + n, take first box that shows 11 and second box that shows n then add them.

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