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OpenUp 6th Math 8.11 Practice Problems and Vocab

Authored by Erika Johnston

Mathematics

6th Grade

Used 4+ times

OpenUp 6th Math 8.11 Practice Problems and Vocab
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10 questions

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1.

FILL IN THE BLANK QUESTION

10 mins • 1 pt

The ___ ___ ___ is one way to measure how spread out a data set is. Sometimes we call this the MAD. For example, for the data set 7, 9, 12, 13, 14, the MAD is 2.4. This tells us that these travel times are typically 2.4 minutes away from the mean, which is 11. (3 words)

2.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

How do you find the MAD of a data set?

add up the distance between each data point and the mean. Then, divide by how many numbers there are

add up the distance between each data point and the median. Then, divide by how many numbers there are

add up the distance between each data point and the mean. Then, multiply by how many numbers there are

add up the distance between each data point and the median. Then, multiply by how many numbers there are

3.

OPEN ENDED QUESTION

10 mins • Ungraded

Media Image

Han recorded the number of pages that he read each day for five days. The dot plot shows his data. Is 30 pages a good estimate of the mean number of pages that Han read each day? Explain your reasoning.

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4.

DRAW QUESTION

10 mins • Ungraded

Han recorded the number of pages that he read each day for five days. Find the mean number of pages that Han read during the five days. Draw a triangle to mark the mean on the dot plot.

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5.

DRAW QUESTION

10 mins • Ungraded

Han recorded the number of pages that he read each day for five days. The dot plot shows his data. Use the dot plot and the mean to complete the table.

Media Image

6.

OPEN ENDED QUESTION

10 mins • Ungraded

Media Image

Han recorded the number of pages that he read each day for five days. The dot plot shows his data. Calculate the mean absolute deviation (MAD) of the data. Explain or show your reasoning.

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7.

OPEN ENDED QUESTION

10 mins • Ungraded

Media Image

Ten sixth-grade students recorded the amounts of time each took to travel to school. The dot plot shows their travel times.

The mean travel time for these students is approximately 9 minutes. The MAD is approximately 4.2 minutes.​

Which number of minutes is a typical amount of time for the ten sixth-grade students to travel to school, 9 or 4.2? Explain your reasoning.

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