Lesson 63 Polygons

Name each polygon shown:

• A) Square, Rectangle, Triangle, Hexagon

• B) Diamond, L-shape, Trapezoid, Octagon

• C) Circle, Square, Pentagon, Hexagon

• D) Triangle, Rectangle, Circle, Octagon

Which figures in problems g–j appear to be regular polygons? Clue: If a polygon’s sides are all the same length and its angles are all the same size, it is called a regular polygon.

• A) g and h

• B) h and i

• C) g and j

• D) i and j

What common street sign has the shape of the polygon in problem j?

• A) Stop sign

• B) Yield sign

• C) Speed limit sign

• D) No parking sign

A decagon has how many more vertices than a hexagon?

• A) 2

• B) 4

• C) 6

• D) 10

Three feet equals 1 yard. A car that is 15 feet long is how many yards long?

• A) 3 yards

• B) 5 yards

• C) 10 yards

• D) 15 yards

Which of the following are correct multiplication/division facts using the numbers 3, 10, and 30?

• A) 3 x 10 = 30, 10 x 3 = 30, 30 ÷ 3 = 10, 30 ÷ 10 = 3

• B) 3 x 10 = 30, 10 x 3 = 30, 30 ÷ 10 = 3, 10 ÷ 3 = 30

• C) 3 x 10 = 30, 3 ÷ 10 = 30, 30 ÷ 3 = 10, 30 ÷ 10 = 3

• D) 3 x 10 = 30, 10 ÷ 3 = 30, 30 ÷ 3 = 10, 30 ÷ 10 = 3

Roberta had six quarters, three dimes, and fourteen pennies. How much money did she have in all?

• A) $1.64

• B) $1.84

• C) $1.94

• D) $2.04

What is the sum of the even numbers that are greater than 10 but less than 20?

• A) 60

• B) 70

• C) 80

• D) 90

Estimate the sum of 715 and 594 by rounding the numbers to the nearest hundred and then adding.

• A) 1200

• B) 1300

• C) 1400

• D) 1500

To what mixed number is the arrow pointing?

• A) 6 1/2

• B) 6 3/4

• C) 6 1/4

• D) 6 2/3