Percents Geometry AlgebraDataRatios

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