Computation and Estimation

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Presentation transcript:

Computation and Estimation Released SOLs

A company ordered 328 pens with the company logo printed on them A company ordered 328 pens with the company logo printed on them. The company returned 82 of the pens because the wrong logo was printed on them. What percent of the original order did the company keep? (SOL 8.3) 25% 33 1/3% 75% 246% 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32

Johanna rented a car. Rental costs were $29. 00 per day plus $0 Johanna rented a car. Rental costs were $29.00 per day plus $0.49 for each mile driven. If she kept the car for 1 day and drove 50 miles, how much did she owe? (SOL 8.3) $29.49 $31.45 $53.50 $78.00 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32

What is the value of 7a(a - 1) + 6 when a = 2? (SOL 8.4) 20 33 54 98 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32

What is the value of x2(7 - x) + 2 when x = 5? (SOL 8.4) 52 100 152 172 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32

Which of these numbers is a perfect square? (SOL 8.5) 12 24 36 48 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32

Between which two consecutive whole numbers does √42 lie? (SOL 8.5) 5 and 6 6 and 7 7 and 8 8 and 9 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32

2004 A weather forecaster checked and emptied a rain gauge six times one day. The measurements in inches were 0.243, 0.595, 0.903, 0.756, 0.398, and 0.112. Which is the best estimate of the total rainfall that day? 8.3 2.0 in. 2.5 in. 3.0 in. 3.5 in. 1 2 3 4 5

What is the value of 6n(n -1) + 4, when n = 3? 8.4 2004 What is the value of 6n(n -1) + 4, when n = 3? 8.4 44 40 36 19 1 2 3 4 5

Which of the following is not a perfect square? 8.5 2004 Which of the following is not a perfect square? 8.5 49 64 81 99 1 2 3 4 5

2004 A flight engineer for an airline flies an average of 2,923 miles per week. Which is the best estimate of the number of miles she flies in 3 years? 8.3 150,000 300,000 450,000 600,000 1 2 3 4 5

2004 For large parties, a restaurant adds a 15% service charge to the bill. How much would be added to a bill of $638.40? 8.3 $27.68 $63.84 $95.76 $150.00 1 2 3 4 5

2004 On a map, the distance between Milvale and Dracut is 1 ¼ inches. If the map uses a scale of ¼ inch represents 1 mile, what is the actual distance in miles from Milvale to Dracut? 8.3 2 3 3 ½ 5 1 2 3 4 5

Which of the following best represents 39? A number between — 8.5 2004 Which of the following best represents 39? A number between — 8.5 3 and 4 6 and 7 7 and 8 8 and 10 1 2 3 4 5

What is the value of (n−2)2 + n−1 when n = 4? 8.4 2007 What is the value of (n−2)2 + n−1 when n = 4? 8.4 7 9 15 17 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

2007 The scale blueprint of a rectangular patio is drawn ⅛ inch to 1 foot. If the patio is 14 feet long, what is the measure of the patio’s length on the blueprint? 8.3 A B C D 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

Which of the following is a perfect square? 8.5 2007 Which of the following is a perfect square? 8.5 5 10 11 16 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

2007 Fuji apples sold for $1.29 per pound while Golden Delicious apples were on sale for $0.89 per pound. Sandi bought 3½ pounds of each kind. How much more did she pay for the Fuji apples than the Golden Delicious apples? 8.3 $1.40 $3.12 $4.51 $7.63 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

If x = 8, what is the value of this expression? 8.4 2007 If x = 8, what is the value of this expression? 8.4 -2.5 -1 1 2.5 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

Which number is a perfect square? 8.5 2007 Which number is a perfect square? 8.5 1 2 5 8 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

2007 Harry and Connie bought tomatoes at the farmer’s market. Harry paid $4.32 for 6 pounds of tomatoes. At that rate, how much should Connie have paid for 5 pounds of tomatoes? 8.3 $2.16 $3.60 $5.04 $5.18 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

Which expression has a value of 27 when n equals 2 ? 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

Which has a value between 2 and 3 ? √12 √8 √3 √2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

The area of a trapezoid (A) can be found using the formula A = ½h(b1+b2). What is the area of a trapezoid if b1 = 8 centimeters, b2 = 12 centimeters and h = 6 centimeters? 32 cm2 48 cm2 54 cm2 60 cm2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

If the family’s monthly income is $3,286, what is the amount the Wren family budgets for entertainment each month? $657.20 $328.60 $164.30 $32.86 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

Which number is a perfect square? 2 5 25 52 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

What is the value of the following when b = 2? 3b + 3 9 12 27 36 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

A computer game was originally priced at $59. 99 A computer game was originally priced at $59.99. It was marked down 15%. Then it was moved to a clearance rack marked “Take an additional 50% off the lowest marked price.” What was the final price of the computer game? $25.50 $30.00 $50.99 $59.99 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30