Measurement Review

Which formula should I use???? Measurement Review Are you ready for the test !!!!!! 6th Grade Graham Park Middle School March 2013

Rules for review • Use a white board (or piece of paper ) to work out the problems and display your answer • Show work when required • Circle your answer • Each slide will have one question followed by the answer • Let’s begin!!

Question 1 - • What of the following does NOT represent • 22? 7 B. 3.14 C. C d D. 7 22 Obj 6.10

Answer 1 • What of the following does NOT represent • 22? 7 B. 3.14 C. C d D. 7 22 = .318181818 Does not = Obj 6.10

Question 2 - diameter • A circle has a diameter of 14 inches, what is the radius? 14 in Obj 6.10

Answer 2 • A circle has a diameter of 14 inches, what is the radius? The radius = 7 inches (1/2 of the diameter) 7 in Obj 6.10

Question 3 - radius • A circle has a radius of 6.5 inches, what is the diameter? 6.5 in Obj 6.10

Answer 3 • A circle has a radius of 6.5 inches, what is the diameter? The diameter = 13 inches (radius doubled) 13 in Obj 6.10

Question 4 - C = d • A circle has a diameter of 6.5 m, what is the circumference? 6.5 m Obj 6.10

Answer 4 • A circle has a diameter of 6.5 m, what is the circumference? C = d C = 3.14 x 6.5 C = 20.41 m 6.5 m Obj 6.10

Question 5 - C = 2r • A circle has a radius of 5.4 in, what is the circumference? 5.4 in Obj 6.10

Answer 5 • A circle has a radius of 5.4 in, what is the circumference? C = 2r C = 2 x 3.14 x 5.4 C = 6.28 x 5.4 C = 33.912 in 5.4 in Obj 6.10

Question 6 - A = r2 • Mr Tychan has a circular pool. The diameter of the pool is 10 m. What size pool cover does he need to buy? 10 m Obj 6.10

Answer 6 • Mr Tychan has a circular pool. The diameter of the pool is 10 m. What size pool cover does he need to buy? A = r2 A = 3.14 x52 A = 3.14 x 25 A = 78.5 m2 5 m Area formula uses the radius so you have to cut the diameter in half!! Obj 6.10

Question 7 - • What is the area of the triangle? 7.5 in 8 in 6.4 in Obj 6.10

Answer 7 • What is the area of the triangle? Do NOT use the side in the area unless the triangle is a right triangle!! 7.5 in A = 1 (6.4 x 8) 2 A = 51.2 2 A = 25.6 in2 8 in 6.4 in Obj 6.10

Question 8 - • Mr. Anderson needs to cover a table he built in tile. The table is in the shape below. How much tile does he need? 2.5 ft 2.5 ft 3 ft 4 ft Obj 6.10

Answer 8 • Mr. Anderson needs to cover a table he built in tile. The table is in the shape below. How much tile does he need? 2.5 ft Do NOT use the side in the area. The sides are used with the perimeter!! A = 1 3 (4 + 2.5) 2 A = 3 x 6.5 2 A = 19.5 2 2.5 ft 3 ft 4 ft = 9.75 ft2 Obj 6.10

Question 9 - A = bh • What is the area of the parallelogram? 2.2 ft 2.6 ft 5.6 ft Obj 6.10

Answer 9 • What is the area of the parallelogram? Do NOT use the side in the area. The sides are used with the perimeter!! A = bh A = 5.6 x 2.6 A = 15.46 ft2 2.2 ft 2.6 ft 5.6 ft Obj 6.10

Question 10 • What is the difference between the area and perimeter of a polygon? Obj 6.10

Answer 10 • The area of a polygon measures the inside of the shape to cover the space inside the polygon. The perimeter of a polygon measures the outside border of shape. Obj 6.10

Question 11 SA=2lw + 2lh + 2wh • What is the surface area of a rectangular prism with the measurements of 5 cm in height, 3 cm wide and 4 cm long? 4 cm 5 cm 3 cm Obj 6.10

Answer 11 • What is the surface area of a rectangular prism with the measurements of 5 cm in height, 3 cm wide and 4 cm long? I = 4 w = 3 h = 5 SA = 2lw + 2lh + 2wh SA = 2x4x3 + 2x4x5 = 2x3x5 SA = 24 + 40 + 30 SA = 94 cm 2 4 cm 5 cm 3 cm Obj 6.10

Question 12 V = lwh • What is the volume of a rectangular prism with the measurements of 6 cm height, 2 cm wide and 3 cm long? 3 cm 6 cm 2 cm Obj 6.10

Answer 12 • What is the volume of a rectangular prism with the measurements of 6 cm height, 2 cm wide and 3 cm long? V = lwh V = 3 x 2 x 6 V = 36 cubic cm 3 cm 6 cm 2 cm Obj 6.10

Question 13 • A piece of paper is approximately 11 inches long. Using ballpark measurement how many centimeters does that equal? Obj 6.9

Answer 13 • A piece of paper is approximately 11 inches long. Using ballpark measurement how many centimeters does that equal? 11 inches x2.5≈27.5 centimeters Obj 6.9

Question 14 • A piece of paper is approximately 21 ½ centimeters inches wide. Using ballpark measurement how many inches does that equal? Obj 6.9

Answer 14 • A piece of paper is approximately 21 ½ centimeters inches wide. Using ballpark measurement how many inches does that equal? 21 1/4 cm 2.5 ≈8.5 inches Remember 21 ¼ = 21.25 Obj 6.9

Question 15 • I need to buy some boards and I need them to be 4 feet long; however, the store is run by Europeans and they only sell in centimeters. How long is 4 feet in centimeters? Obj 6.9

Answer 15 • I need to buy some boards and I need them to be 4 feet long; however, the store is run by Europeans and they only sell in centimeters. How long is feet is centimeters? 4 feet x30≈120 centimeters Obj 6.9

Question 16 • The store run by Europeans tell me they only have boards 270 centimeters long. How long is 270 centimeters in feet? Obj 6.9

Answer 16 • The store run by Europeans tell me they only have boards 270 centimeters long. How long is 270 centimeters in feet? 270 centimeters 30 ≈9 Feet Obj 6.9

Question 17 • Billy Bob just drove in from Canada eh!! He sees a sign that tells him Washington DC is 110 miles. Approximately how far is that in kilometers? Obj 6.9

Answer 17 • Billy Bob just drove in from Canada eh!! He sees a sign that tells him Washington DC is 110 miles. Approximately how far is that in kilometers? 110 miles x1.5≈165 kilometers Obj 6.9

Question 18 • Mr Kirrane just crossed the border into Canada eh!! He sees a sign that tells him Moncton, New Brunswick is 250 kilometers. How many miles is that distance? Obj 6.9

Answer 18 • Mr Kirrane just crossed the border into Canada eh!! He sees a sign that tells him Moncton , New Brunswick is 250 kilometers. How many miles is that distance? 250 kilometers 1.5 ≈167 miles (166.6 Miles) __ Obj 6.9

Question 19 • Under the Fahrenheit system, water freezes at 32°F. What is the temperature of freezing under Celsius? Obj 6.9

Answer 19 • Under the Fahrenheit system, water freezes at 32°F. What is the temperature of freezing under Celsius? Water freezes at 32°F ≈ 0°C Obj 6.9

Question 20 • Under the Metric system, water boils at 100°C. What is the temperature of water boiling under Fahrenheit? Obj 6.9

Answer 20 • Under the Metric system, water boils at 100°C. What is the temperature of water boiling under Fahrenheit? Water boils at 100°C ≈ 212°F Obj 6.9

Question 21 • Mr Kirrane stopped at a store in Canada eh!! They have chicken wings on sale. 5 kilograms for $20.00. How many pounds does 5 kilograms weight? Obj 6.9

Answer 21 • Mr Kirrane stopped at a store in Canada eh!! They have Chicken on sale. 5 kilograms for $20.00. How many pounds does 5 kilograms weight? 5 kilograms 2 lbs ≈2.5 lbs Obj 6.9

Question 22 • You go to see the nurse to see it you have a temperature and she tell you that your temperature is37°C. Is that normal or are your freezing? Obj 6.9

Answer 22 • You go to see the nurse to see it you have a temperature and she tell you that your temperature is37°C. Is that normal or are your freezing? Normal body temp is about 37°C ≈ 98°F Now get back to class! Obj 6.9

Question 23 • If 1 nickel weights 5 grams, how much does $1.00 worth of nickels weight? Obj 6.9

Answer 23 • If 1 nickel weights 5 grams, how much does $1.00 worth of nickels weight? $1.00 worth of nickels = 20 nickels 20 x 5 grams ≈ 100 grams Obj 6.9

Question 24 • $1.00 worth of nickels weights approximately 100 grams. How many ounces is the conversion? Obj 6.9

Answer 24 • $1.00 worth of nickels weights approximately 100 grams. How many ounces is the conversion? $1.00 worth of nickels ≈ 100 grams 100 grams≈ 3.57 ounces 28 Obj 6.9

Measurement Review