Measurement GLE 18 The arrow points to

Measurement GLE # 18 The arrow points to a measurement of A. 1 ¾ inches B. 1 ⅞ inches C. Inches D. inches C is the correct answer.

Measurement GLE # 18 The arrow points to a measurement of A. 1. 1 inches B. 1 ⅛ inches C. 1 2 inches 16 D. 1 1 inches 16 The correct answer is D.

Measurement GLE # 18 The arrow points to a measurement of A. 5. 8 mm B. 58 mm C. 5. 5 cm D. 6. 0 cm The answer is B 58 mm. It cannot be A because the unit of measure is incorrect. Both C and D have the wrong measurement.

Measurement GLE # 18 The arrow points to a measurement of A. 7. 5 cm B. 75 mm C. 7. 3 mm D. 73 mm The answer is D, 73 mm.

Measurement GLE # 19 Find the perimeter of the isosceles triangle shown. Solution: The triangle is isosceles, so the length of BC is equal to 3 inches. P = 3 in. + 4 in. P = 10 in. The perimeter of the triangle is 10 inches.

Measurement GLE # 19 Find the perimeter of the triangle shown above. A. 35 feet B. 46 feet C. 48 feet D. 56 feet Solution: P = 17 feet + 10 feet + 21 feet P = 48 feet The correct answer is C.

Measurement GLE # 19 Find the perimeter of the parallelogram shown above. A. 18 inches B. 23 inches C. 30 inches D. 38 inches Solution: P = 5 inches + 10 inches + 5 inches + 10 inches P = 30 inches The correct answer is C

Measurement GLE # 19 Find the perimeter of the trapezoid shown above A. 14 inches B. 16 inches C. 28 inches D. 32 inches Solution: P = 4 inches + 5 inches + 4 inches + 3 inches P = 16 inches The correct answer is 16 inches

Measurement GLE # 19 Solution: A = height x ( Sum of the two bases ) 2 A = 7 ft x ( 4 ft + 8 ft ) 2 A = 7 ft x 6 ft A = 42 ft The area of the trapezoid is 42 square ft.

Measurement GLE # 19 Find the area of the parallelogram shown above when a is equal to 5 inches, b is equal to 6 inches, and h is equal to 4 inches. Solution: Area = base x height A = 6 inches x 4 inches A = 24 inches The area of the parallelogram is 24 square inches.

Measurement GLE # 19 Find the area of the triangle shown below. Solution: The area of a triangle is one half its base times its height. A = ½ bh A = ½ ( 12 m x 15 m) A = ½ 180 meters squared A = 90 meters squared The area of the triangle is 90 meters squared.

Measurement GLE # 20 A car moving at a uniform speed travels 32 miles in 0. 5 hours. What is the speed of the car? Express your answer in miles per hour. Solution: Speed = Distance ÷ time S = 32 miles ÷ 0. 5 hours S = 64 miles per hour The speed of the car is 64 mph

Measurement GLE # 20 How many gallons of gasoline would be needed to drive 893 miles in a car that averages 19 miles per gallon? A. 27 gallons B. 38 gallons C. 46 gallons D. 47 gallons Solution: 893 miles ÷ 19 gallons = 47 mpg

Measurement GLE # 20 Eric uses 7 gallons of gas to drive 196 miles. How many miles can he drive using 1 gallon of gas? A. 14 B. 30 C. 22 D. 28 Solution: 196 miles ÷ 7 gallons = 28 mpg The answer is D. Eric can drive 28 miles using 1 gallon of gas.

Measurement GLE # 20 Which is the best buy: $4. 00 for a 16 -ounce box of cereal, $4. 50 for an 18 -ounce box of cereal, or $5. 39 for a 22 -ounce box of cereal? A. 18 -ounce box B. 16 -ounce box C. There is no best buy because they all have the same unit price. D. 22 -ounce box Solution: Determine the unit price for each box of cereal. $4. 00 ÷ 16 oz = $0. 25/oz $4. 50 ÷ 18 oz = $0. 25/oz $5. 39 ÷ 22 oz = $0. 25/oz. The answer is C. There is no best buy because they all have the same unit price.

Measurement GLE # 21 The most reasonable estimate for the length of a family car is A. 80 in. B. 8 ft. C. 80 ft. D. 8 yd. Solution: Eliminate A because inches is too small of a unit for measuring something as large as a car. Eliminate D because yards is too big of a unit to measure a car. Eliminate C because 80 is too large a measure for a car, 80 ft would be over 25 yards. The correct choice is B.

Measurement GLE # 21 The capacity of a large soup pot is most likely A. 4 cups B. 4 pints C. 4 quarts D. 4 gallons Solution: Eliminate both A and B because the measurements are in small units. The answer is d because gallons are larger than quarts.

Measurement GLE # 22 What is the perimeter of an equilateral triangle with a side of 5 cm? A. 15 cm B. 10 cm C. 20 cm D. 17 cm Solution: Remember that in an equilateral triangle all sides are equal. If one side is 5 cm, all of the sides are 5 cm. Add up the three sides. 5 cm + 5 cm = 15 cm The correct choice is A.

Measurement GLE # 22 A square garden has a side of 22 meters. How many meters of fence are needed to enclose the garden? Solution: A square has 4 equal sides. Find the perimeter by multiplying the length of 1 side by 4 or find the perimeter by adding up the length of the 4 sides. 4 x 22 = 88 meters Or 22 + 22 = 88 meters

Measurement GLE # 22 The perimeter of the purple figure is A. 12 units B. 24 units C. 48 units D. 144 units The correct answer is C. The purple figure covers 12 units on each side. Perimeter is 12 + 12 = 48 units.

Measurement GLE # 22 The area taken up by the green figure is A. 11 square units B. 22 square units C. 33 square units D. 66 square units The correct answer is D.

Measurement GLE # 22 Which is the best estimate of the perimeter of the pentagon? A. 12 cm B. 24 cm C. 48 cm D. 60 cm The correct answer is D. Round the measurement to 12. Assume each side is equal. 5 x 12 = 60

Measurement GLE # 22 What is the best estimate of the area of this shape? Count all the squares that are either completely inside the shape or more than half inside the shape as 1 and count those less than half inside the shape as 0. The total is then an estimate of the are of the shape. In this case the area is approximately 34 cm 2.

Measurement GLE # 22 The perimeter of this shape is: A. 35 cm B. 50 cm C. 52 cm D. 66 cm The correct answer is D. The base of the figure is 7 cm + 12 cm = 19 cm. The left side of the figure is 6 cm + 8 cm = 14 cm. Add all the sides to get the perimeter.

Measurement GLE # 22 Find the area of the figure. Assume that all angles are right angles. Solution: Divide the figure into polygons that do not overlap. Find the area of each polygon, then add. 4 in A (I) = lw = 10 x 6 60 in 2 A (II) = lw = 14 x 4 56 in 2 Add 60 + 56 = 116 in 2 14 in 20 in. 14 in. 5 in 14 in II 5 in 6 in I 6 in 10 in. 6 in The area of the figure is 116 in 2

Measurement GLE # 23 A large window has a length of 8 feet and a width of 6 feet. Approximately, how much fabric will be needed to make curtains for the window? Solution: Find the area of the window. 8 ft x 6 ft = 48 ft 2 482 ft of fabric will be needed to make curtains for the window

Measurement GLE # 21, 23 The best estimate for the area of a math book cover is A. 93 mm 2 B. 93 cm C. 93 inches squared D. 93 square feet Eliminate A because the unit of measure is too small. Eliminate B because the unit of measure is not a unit used for area (needs to be squared). Eliminate D because the unit of measure is too large. The correct choice is C.