6th Grade Math Cumulative Review

Research scientists are measuring the number of days lettuce seeds take to germinates. In a study, 500 seeds were planted. Of these, 473 seeds germinated. The box-and-whisker plot summarizes the number of days it took the seeds to germinate. What can you conclude from the box-and-whisker plot?

• The median number of days for the seeds to germinate is 12.

• 50% of the seeds took more than 8 days to germinate.

• 50% of the seeds took less than 5 days to germinate.

• The median number of days for the seeds to germinate was 6.

You are comparing the costs of buying bottles of water at the supermarket. Which of the following has the least cost per liter?

• six 1-liter bottles for $1.80

• one 2-liter bottle for $0.65

• eight 1/2-liter bottles for $1.50

• twelve 1/2-liter bottles for $1.98

What number makes the equation true?
 $3\frac{1}{2}\div\ 5\frac{2}{3}\ =\ \frac{7}{2}\ \times$  ???

• $\frac{17}{3}$

• $\frac{13}{2}$

• $\frac{3}{17}$

• $\frac{3}{2}$

What is the mean number of seats?

• 2.4 seats

• 5 seats

• 6.5 seats

• 7 seats

On Wednesday, the town of Mims received 17 millimeters of rain. This was x millimeters more rain than the town received on Tuesday. Which expression represents the amount of rain, in millimeters, the town received on Tuesday?

• 17x

• 17 - x

• x + 17

• x - 17

Which property is demonstrated by the equation below?

723 + (884 +277) = 723 + (277 + 884)

• Associative Property of Addition

• Commutative Property of Addition

• Distributive Property

• Identity Property of Addition

A student took 5 tests this marking period and had a mean score of 92. Her scores on the first 4 tests were 90, 96, 86, and 92. What was her score on the fifth test?

• 92

• 93

• 96

• 98

How many students had fewer than 10 absences?

A family wants to buy tickets to a theme park. There are separate ticket prices for adults and children.

Which expression represents the total cost, in dollars, for a adult tickets and c child tickets?

• 600 (a + c)

• 50 (a x c)

• 30a +20c

• 30a x 20c

What is the value of 52.8  $\div$  0.16?