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03/22 Drill

Authored by Audrey Afable

Mathematics

7th Grade

Used 4+ times

03/22 Drill
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10 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The price of a laptop is decreased by 10% to $360. What is its original price?

$320

$380

$400

$450

Answer explanation

Let 𝑥 be the original price.

If the price of a laptop is decreased by 10% to $360,

then:

1) 90% of 𝑥 = 360

2) 0.90𝑥 = 360

3) 𝑥 = 360 ÷ 0.90 = 400

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

55 students took an exam and 11 of them failed. What percent of the students failed the exam?

20%

40%

60%

80%

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the median of these numbers? 4, 9, 13, 8, 15, 18, 5

8

9

13

15

Answer explanation

Write the numbers in order: 4, 5, 8, 9, 13, 15, 18

The median is the number in the middle, which is 9.

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

5 less than twice a positive integer is 83. What is the integer?

39

41

42

44

Answer explanation

1) Let 𝑥 be the integer. 2𝑥–5 = 83

2) Add 5 both sides: 2𝑥 = 88

3) Divide both sides by 2: 𝑥 = 44

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Simplify the following: 4 + 2 x 6

48

26

16

18

Answer explanation

Following the order of PEMDAS, multiplication comes first.

1) Multiply 2 x 6 = 12.

2) Add 4 + 12 = 16.

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

A theater sold tickets for three movies. The table shows the number of tickets sold for each movie.

What was the total number of tickets the theater sold for these three movies?

476

366

376

473

Answer explanation

Add all the tickets the 3 theaters have sold to have your answer.

143 + 158 + 175 = 476.

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

George started a coin collection. His dad gave him 75 coins. Each month he will add 20 coins to the collection.

Which equation can be used to find y, the total number of coins in George’s collection after x months?

y = 75x + 20

y = 20x + 75

y = 75x - 20

y = 20x - 75

Answer explanation

X represents the number of months that have passed, and so we multiply by 20 because each month, George receives 20 coins.

We add 75 because George began his collection with 75 coins.

y = 20x + 75

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