The model shows the expression 30 + 12.

A model with 6 rows of 5 squares and 6 rows of 2 squares.

Which expression is equivalent to this sum?
6 (5) + 2
6 + 5 + 2
6 + 5 (2)
6 (5 + 2)

This is because 6 rows of 5 squares means that there is 6 rows with 5 squares each. 6 × 5 = 30. Then there is another set of 6 rows with 2 squares in each, which is 6 × 2 = 12. 30 + 12 = 42. Which is why 6(5+2) = 42. 6(5+2) = 6(5) + 6(2) = 6(7) = 6 × 7 = 6 + 6 + 6 + 6 + 6 + 6 + 6 or 7 + 7 + 7 + 7 + 7 + 7 or 5 + 5 + 5 + 5 + 5 + 2 + 2 + 2 + 2 + 2 + 2 = 42.

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vorop49584 vorop49584 · Answer 2 · 2021-04-28T18:36:14+02:00

vorop49584 vorop49584

28-04-2021

Answer:

D

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The model shows the expression 30 + 12. A model with 6 rows of 5 squares and 6 rows of 2 squares. Which expression is equivalent to this sum? 6 (5) + 2 6 + 5 + 2 6 + 5 (2) 6 (5 + 2)

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The model shows the expression 30 + 12.

A model with 6 rows of 5 squares and 6 rows of 2 squares.

Which expression is equivalent to this sum?
6 (5) + 2
6 + 5 + 2
6 + 5 (2)
6 (5 + 2)