TAKS Exit Review Math by Morrison 2012 © Math by Morrison 2011-12

Instructions After reading through the question, click the screen for helps and hints to appear. Find out why an answer is incorrect, and learn how the TAKS test will attempt to trick you. Pay careful attention, and you will have a practice quiz once you have finished the slide show.

TAKS Exit Review Ready to Begin? Lesson 3-3

. Shown below are circles A and B. AB, BC, and CD = 2cm. What is the area of the shaded region? B A C D . A = ∏r2 2 2 2 CONTINUE CLICKING SCREEN FOR HELP AND HINTS The larger circle has a radius of 6 cm. The smaller circle has a radius of 2 cm. To solve the problem, find the length of the radius for each circle. Subtract out the area of the smaller circle from the larger circle. A 25.1 cm2 Use area formula, not circumference B 100.5 cm2 Correct Answer!!!! C 113 cm2 This is the area of the larger circle only D 12.6 cm2 This is the area of the smaller circle only.

This is the ratio of faces : edges 2. For a regular pentagonal pyramid, what is the ratio of the number of vertices to the number of faces? A ratio is a comparison between 2 numbers Pentagonal = base is a pentagon (5 sides) Regular = all sides and angles are congruent Vertices are the points where lines connect. Faces are the flat sides of a prism or pyramid Major vocabulary on this problem. Draw your own picture! CONTINUE CLICKING SCREEN FOR HELP AND HINTS Faces: 6 Edges: 10 Vertices: 6 F 1:1 Correct Answer!!!! G 3:5 This is the ratio of faces : edges H 5:3 This is the ratio of edges : faces J 1:6 Think vertices (6) to faces (6)

TAKS Exit Review Math by Morrison 2012 This completes today’s slide show. It is now time for Quiz 3-3.