PercentsGeometry Algebra Data Ratios

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500 500

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100

Geometry – 100 Points

QUESTION:

•What is a plane?

ANSWER:

•A plane is a perfectly flat surface that extends forever in all directions.

Geometry – 200 Points

QUESTION:

•Classify a square.

ANSWER:

•Squares, rectangles, rhombuses, parallelograms, quadrilaterals.

Geometry – 300 Points

QUESTION:

•What is an image?

ANSWER:

•An image is a figure resulting from a transformation.

Geometry – 400 Points

QUESTION:

•Describe the line of symmetry in the image below.

ANSWER:

•Vertically

Geometry – 500 Points

QUESTION:

•Describe the shapes forming the tessellation below.

ANSWER:

•Half cylinder with a rectangle cut out of the top.

Algebra – 100 Points

QUESTION:

•Solve 8f / 6 for f = 17

ANSWER:

•About 22.67

Algebra – 200 Points

QUESTION:

•Solve the algebraic expression: 6 less than the quotient of 20 and l

ANSWER:

•6 – 20l

Algebra – 300 Points

QUESTION:

•Solve g – (-o) = f + (-zcx)

ANSWER:

•g + o = f + (-zcx)

Algebra – 400 Points

QUESTION:

• 7(-15)

ANSWER:

•-105

Algebra – 500 Points

QUESTION:

• 9l = 24

ANSWER:

•2.67

Data – 100 Points

QUESTION:

•Identify the sampling method used: 10 people are chosen at random at a random school to win a prize.

ANSWER:

•Stratified

Data – 200 Points

QUESTION:

•What is a stem-and-leaf plot?

ANSWER:

•A stem-and-leaf plot is a graph used to organize and display data to compare frequencies.

Data – 300 Points

QUESTION:

•What is the median of a data set?

ANSWER:

•The median is the middle value or the mean of the two middle values in a data set

Data – 400 Points

QUESTION:

•What does a histogram do?

ANSWER:

•A histogram shows the frequency of data within equal intervals.

Data – 500 Points

QUESTION:

•On a scatter plot, what is the line of best fit?

ANSWER:

•The line of best fit is a straight line that comes closest to the points on a scatter plot.

Ratios – 100 Points

QUESTION:

•What is a ratio?

ANSWER:

•A ratio is a comparison of two quantities by division.

Ratios – 200 Points

QUESTION:

•Uslav can draw 20 pictures in an hour. How many pictures can he draw per minute?

ANSWER:

•1/3 picture per minute

Ratios – 300 Points

QUESTION:

•Are the ratios 7/8 and 9/20 proportional?

ANSWER:

•No

Ratios – 400 Points

QUESTION:

•What are similar figures?

ANSWER:

•Similar figures have the same shape, but not necessarily the same size.

Ratios – 500 Points

QUESTION:

•What is a dilation?

ANSWER:

•A dilation is a transformation that changes the size, but not the shape, of a figure. Dilations enlarge and reduce a figure.

Percents – 100 Points

QUESTION:

•What are percents (%’s)?

ANSWER:

•Percents are ratios that compare a number to 100.

Percents – 200 Points

QUESTION:

•Estimate: 66% of 33

ANSWER:

•22

Percents – 300 Points

QUESTION:

•What percent of 88 is 26?

ANSWER:

•About 29.54

Percents – 400 Points

QUESTION:

•What is the formula for percent change?

ANSWER:

•Percent change = amount of change / (over) original amount

Percents – 500 Points

QUESTION:

•Find the percent increase or decrease from 54 to 34

ANSWER:

•Percent decrease: amount of decrease over the original amount 20/54•20/54 = about 0.370