Question 1

The list shows the length of a day on two different planets.

$\enspace\bullet\,$ Neptune: $16.11$ hours
$\enspace\bullet\,$ Venus: $5,832.40$ hours

Which statement is best supported by this information?

Accepted Answer

A day on Venus is about 4$00$ times as long as a day on Neptune.

Answer

A day on Venus is about $50$ times as long as a day on Neptune.

Answer

A day on Venus is about $40$ times as long as a day on Neptune.

Answer

A day on Venus is about $500$ times as long as a day on Neptune.

Question 2

Mr. Márquez had $123$ eggs in a refrigerator in his restaurant. He put $32$ more cartons of eggs in the refrigerator. Each carton contained $18$ eggs. Which of these is the best estimate of the number of eggs Mr. Márquez now has in his refrigerator?

Accepted Answer

$700$

Answer

$400$

Answer

$900$

Answer

$600$

Question 3

A jelly bean factory usually makes $885,320$ jelly beans per month. In the month before Halloween, it makes $1,040,982$ more than that. About how many jelly beans does the factory produce in that month? Choose the best estimate.

Accepted Answer

$1,900,000$

Answer

$1, 800,000$

Answer

$2, 000,000$

Answer

$1, 885,000$

Question 4

Estimate the sum by rounding each number to the nearest hundred.

$\enspace  759 + 528$
$\,$

Accepted Answer

$1,300$

Answer

$1,200$

Answer

$900$

Answer

$1,100$

Question 5

Estimate the product by rounding each number to the nearest one.

$\enspace 32 	imes 5.4$
$\,$

Accepted Answer

$160$

Answer

$150$

Answer

$192$

Answer

$170$

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