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# Sem 1 Exam Review

### 7th Grade - Walker MS

Question | Answer |
---|---|

The weather forecast in Boston last night was for the temperature to drop 3°F each hour. If the temperature was 7°F at 8:00pm, what was the temperature at midnight? | - 5°F |

Monique has $342 in her saving account at the Riverview Savings Bank. She withdraws $12 per week for 5 weeks. What is Monique’s balance at the end of 5 weeks? | $282 |

The temperature in Grantham, New Hampshire at 2:30pm was 35°F. By 11:30pm, the temperature was -18°F. What was the change in temperature? | -53°F |

What expression does NOT equal -7: 2 - (-5) or -2 - 5 ? | 2 - (-5) |

What is the value of the expression | -3 |? | 3 |

Jesse’s mom had a balance of -45 dollars in her checking account. She had overdrawn the account. The bank charged her account a 30 dollar overdraft fee. After Jesse’s mom made a deposit the account balance was 120 dollars. How much money did she deposit? | $195 |

The Martins had to have a plumber come to fix their kitchen sink. The plumber charged $75.00 per hour for work and an additional service call fee of $50.00. How much was the Martin’s bill, if the plumber worked for 1 ½ hours? | $162.50 |

Miranda is on her middle school basketball team. She scored 12 points in the first game and P points in the second game. She scored a total of 25 point in both games. Write and solve an equation to find the number of points Miranda scores. | 12 + P = 25; 13 |

Evaluate for x: ½ x + 6 = 11 | 10 |

Which steps would solve 5 – x = –3? | Subtract 5 from both sides of the equation, then divide both sides of the equation by -1. |

Which steps would solve 1/5x + 2 = 17? | Subtract 2 from both sides of the equation, then multiply both sides of the equation by 1/5. |

Gred paid $21.00 at the bowling alley for an afternoon of bowling. He paid $7.50 for shoe rental and $2.25 per game bowled. How many games did Greg bowl? | 6 |

What is another way to express the following equation? -2(3 - x) + 2x = 8 | 4x - 6 = 8 |

What is the value of the expression 12 - 3^2 + 1? | 4 |

Which is equivalent to 1 = 9x -(3x-8)? | 1 = 6x + 8 |

Write 7/9 as a decimal. | 0.7 |

Which of the following is equivalent to 0.875? | 7/8 |

Maria bought 1/4 pound of ham and 5/8 pound of turkey. How much more turkey than ham did she buy? | 3/8 |

Becca's brownie recipe calls for 3 and 3/4 cups of flour. If Becca wants to make a batch of brownies that is 3/5 the amount of the standard recipe, how much flour will she need? | 2 1/4 |

What is the solution to the equation x - 7 = 19? | 26 |

What is the value of x in the equation 20 = 6x - 4x + 14? | 3 |

What is the value of x in the equation 7/8x = 5/6 ? | 20/21 |

What is the value of n in the equation -64 = -16n ? | 4 |

What is the value of x in the equation 3/5x = -15? | -25 |

Find the difference in simplest form: 1 and 3/4 minus 2 and 1/8 | 2 and 5/8 |

Find the quotient of 1 and 4/5 & 2 and 1/4 | 4/5 |

Jeff left 4/5 of the pumpkin pie in the refrigerator. On Saturday, he ate 1/2 of what was left of the pie. What fraction of the entire pie did he eat on Saturday? | 2/5 |

Paola works at the Sun & Fun Clothing Store at the mall. She earns $7.25 per hour. If Paola earned $159.50 over the weekend, which equation would you use to find the number of hours she worked? | 7.25h = 159.50 |

Evaluate: -5x^2, if x = -2 | -20 |

Evaluate: x - (-y), if x = 5 and y = -3 | 2 |

What is the value of the expression (-1/3)^3? | -1/27 |

What is the value of the expression 1/2 - (1/2)^3 + 2 ? | 2 and 3/8 |

What is the value of the expression 4.5a^2 - a, if a = -2 ? | 20 |

Which equation would you use to solve the problem, "five less than the product of 6 and a number is -23"? | 6n-5 = -23 |

Claudia earned $750 on her money market investment over a 6 year period of time. THe interest rate during this period of time was 5%. How much money did Clausid invest in the money market from the start? | $2500 |

A clothing store in the mall is having a sale. Everything in the store is on sale for 15% off. Julie is buying a t-shirt that has a regular price of $24.80. How much will she save buying it on sale? | $3.72 |

What percent of 180 is 45? | 25% |

Last year the Wii Game System cost $249.99. This year the same system cost $199.99. What was the percent of change? | 25% decrease |

Mr. Perez went to his favorite restaurant for lunch. His lunch cost $15.00. What was the total of his bill if he left a 20% tip? | $18.00 |

72 is 25% of what number? | 288 |

Mrs. Green went to a local computer store to buy a computer that is on sale. The sales tax rate is 7% of the sales price. If Mrs. Green pays a sales tax of $87.50, what is the sales price of the computer? | $1250 |

D'Monae and Carissa went shopping at Mod Fashion Shack. Everything in the store had a 25% discount. D'Monae found a shirt to buy which originally cost $20.00. What was the sales price? | $15.00 |

What number is 35% of 54? | 18.9 |

Chris found a pair of shoes at ShoeMart for $30.00. If she paid a total of $32.10 for the shoes, at the cash register, what was the sales tax rate? | 7% |

Musical Middle School's band is planning a trip to Miami. The scale on the map the band director posted is 1 in = 15 miles. The distance between Tampa and Miami as shown on the map is 19 in. What is the actual distance the band must travel to Miami? | 285 |

Last year a pair of shoes sold for $45. This year the same pair of shoes sold for $60. To the nearest percent, what is the percent of change in the price of the shoes? | 33% increase |

An office building in downtown Tampa is 975 feet tall. Suppose a scale model of the building was made and its height was 6 and 1/2 inches tall. What is the scale of the model? | 1 inch = 150 feet |

Enrique has a road map that use a scale of 1 and 1/2 inches = 62 miles. If Enrique measures a distance of 3 and 3/4 inches on the map, what is the actual distance? | 155 |

Sam drove at a constant rate of 72 miles per hour on the interstate for 6 hours and 15 minutes. How many miles did he drive? | 450 |

A recipe for 2 and 1/2 cups of flour to make 6 cupcakes. How much flour is needed to bake 15 cupcakes? | 6 and 1/4 |

A person at rest typically takes 720 breaths in an hour. At this rate, how many breaths does a person take in 12 minutes? | 144 |

What is the value of x? 7.8/x = 13/20 | 12 |

Rene can text her friends at a rate of 35 words in 2 minutes. How many minutes would it take her to type a text message that was 105 words long? | 6 |

What is the value of x? 3/8 = 24/x | 64 |

Which of the price listed below is the best deal for the price of bananas? | $1.49 for 3 pounds |

James paid $1.49 for a dozen eggs. How much would it cost for eighteen eggs? | $2.24 |

Three friends went out to dinner. Their bill was $33.50, and they plan to leave a 20% tip. How much did each person have to pay for their share of the bill, including top? | $13.40 |

Zoe spent $10.80 for 4 smoothies. How much did she pay for one smoothie? | $2.70 |

The following represents a direct variation or inverse variation? The faster a car travels, the less time it takes to get to its destination. | Direct variation |

The following represents a direct variation or inverse variation? The price of lumber if lumber cost $2.49 a foot. | Inverse variation |

Sara can type 306 words in 6 minute. At this rate, how many words can she type in 1 and 1/2 hours? | 4590 |

What is the value of x in the pair of similar figures with dimensions 30 in. by 16 in. and 6.4 in. by x in.? | 12" |

Two rectanges are similar. One has a length of 8 inches and a width of 12 inches. What are the dimensions of the similar rectange? | 28" by 42" |

A man that is 6 feet tall is standing so that the tip of his shadow is 20 feet from a light pole. His shadow is 8 feet long. What is the height of the pole? | 15 |

There are 50 students in the band. Only 28% of them remembered to return their permission slips on time. How many student returned their permissions slip on time? | 14 |

Nelly borrows $1000 from the bank. The interest rate is 6.5% per year. How much simple interest will he pay if he takes 3 years to repay the loan? | $195 |

What is the slope of a ramp that rises 25 feet for every horizontal change of 100 feet? | 1/4 |

What is the slope of a hill that falls 20 feet for every horizonatal change of 50 feet? | -2/5 |

What is the rate of change shown by the data? | $15 per hour |

What is the solution of the following expression? | 1 and 11/12 |

Joe's mom walks 1.25 kilometers every day. How many days must she walk to walk a total of 20 kilometers? | 16 |

The distance between school and homeis 4.5 miles. How many miles do you travel going to and from school in 5 days | 45 |

On a numberline, you start at point x and then move 24 units to the right. If you stop on 13, what is the value of the startpoint, x? | -11 |

Which is the solution to 2 - 2(3n - 3)=32? | -4 |

Last week, Marcus had a balance of -$10 in his savings account. This week, the balance is $10. Which equation would show the change, c, in his account? | -10 + c = 10 |

What is the value of x in the given equation? 2.5x - 2.5 = 2.5 | 2 |

Store A sells jeans for $42. Store B is having a special, with 3 pairs of $99. How much do you save per pair if you buy them at Store B? | $9 |

An architect's blueprint of a building has dimensions of a room as being, 6 inches by 9 inches. If the actual dimensions of the rool are 18 feet by 27 feet feet, what is the scale of the blueprint? | 1 in = 3 ft |

Determine the constant of variation in the direct variation where x = 4, 5, 6, 7 and y = 12, 15, 18, 21 | 3 |

Frank practiced basketball on 4 different days last week for 1 and 3/4 hours each time. How many hours did he practice last week? | 7 |

Write 11/4 as a decimal. | 2.75 |

If the number of chores you do at home is proportionally to the amount of allowance you earn, is this statement true: If you do twice as many chores, you earn twice as much money. | yes, true statement |

If the number of chores you do at home is proportionally to the amount of allowance you earn, is this statement true: If you do half of your chores, you receive twice as much money. | no, false statement. |