Geometry, Statistics, Numbers, Different Representations

Fill in the blank: The formula for the area of a triangle is A = ____.

• 1/2 * base * height

• base * height

• 1/3 * base * height

• base + height

How do we find the volume of a rectangular prism?

• Multiply the base and the height

• Add the base and the height

• Highlight the base and the height, then multiply them

• Find the area of the base, then multiply it with the height

The dimensions of a lawn shaped like a trapezoid are given in meters. What is the area of the lawn in square meters?

• 192 square meters

• 148 square meters

• 185 square meters

• 1,560 square meters

In triangle XYZ the measure of angle YXZ is 50°, and the measure of angle XYZ is 75.5°. What is the measure of angle XZY in degrees?

• 54.5°

• 55°

• 50°

• 75.5°

Which graphic organizer correctly groups the following numbers? 3.4, -2, 3, -1.2.

• F

• G

• H

• J

A teacher wrote this expression on the board: (-6)(2) + (-8 ÷ 4). What is the value of this expression?

• -16

• -14

• -12

• -10

Which expression has a value of 3?

• 9 – (–3) + 36 ÷ (–3)

• –3 + (–5) – (–8) – 1

• –6 • 2 – (–15)

• –5 • 3 – 12

The list shows the growth in centimeters of 12 plants during one week: 6, 7, 7, 8, 8, 8, 9, 9, 10, 11, 11, 14. What is the mean of the data above?

• 8.5

• 9

• 9.5

• 10

The lengths of time patients waited at a clinic to see a doctor are shown in the stem and leaf plot below. Which statement is NOT true?

• Exactly 2 patients waited longer than 35 minutes.

• The stem and leaf plot shows the wait times of 16 patients.

• The most common wait times were 25 minutes and 29 minutes.

• More than half of the patients waited less than 30 minutes.

The length of the base of a triangle is 25 centimeters, and the corresponding height is h centimeters. Which formula can be used to find A, the area of the triangle in square centimeters?

• A = 25h

• A = ½ (25 + h)

• A = 25 + h

• A = ½ (25h)