Worksheet: Estimating Percentage

In this worksheet, we will practice estimating a percentage of a whole and estimating percentages in real-life situations.

Q1:

According to a survey, about 5 0 % of people prefer dark chocolate over white chocolate. Which of the numbers below is the nearest to the number of people who prefer dark chocolate out of 199 people?

  • A190
  • B50
  • C140
  • D100
  • E149

Q2:

While in Greece, Michael spent 9 hours and 45 minutes visiting monuments. He spent 2 0 % of the time visiting old temples. Which of the following represents about how much time he spent visiting old temples?

  • A 11 h
  • B 7 h
  • C 1 h
  • D 2 h

Q3:

Estimate the following: 2 1 % of 52.

Q4:

Sophia earned $299 last month translating 2 documents. Given that 2 0 % of the money she earned was from translating the second document, which of the following is the closest to the amount of money Sophia earned from translating the second document?

  • A$290
  • B$30
  • C$270
  • D$60
  • E$279

Q5:

Olivia invested $6,600 in an account with a yearly interest rate of 5%. In how many years will she have $8,910?

Q6:

Estimate the following: 2 1 % of 50.

  • A15
  • B40
  • C30
  • D10
  • E29

Q7:

Determine the profit Bassem made in a year from depositing $490β€Žβ€‰β€Ž000 in a savings account with an annual interest rate of 4 . 2 5 % .

Q8:

Select the best estimate of the following calculation: 7 9 % of 499.

  • A7
  • B6
  • C49
  • D4
  • E9

Q9:

Last year, 301 students attended a summer camp and 0 . 7 % of them returned this year. Which of the following is closest to the number of students who attended the camp in both years?

  • A6
  • B23
  • C9
  • D3
  • E21

Q10:

In an NFL season, the Giants won 3 6 . 2 4 % out of 30 matches. About how many games did they win?

  • A17 games
  • B7 games
  • C25 games
  • D12 games
  • E9 games

Q11:

Benjamin took a cab to work yesterday. If he left a tip of 2 5 % on the $19.64 fare, determine about how much the tip was.

  • A$7.00
  • B$15.00
  • C$45.00
  • D$5.00

Q12:

By dividing by 4 and multiplying by 3, calculate 7 5 % of 600 mentally.

Q13:

David is buying a home theater system for $6,175.79. If the sound bar constitutes 2 8 . 3 % of the total price, determine which of the following is the best estimate of the cost of the sound bar.

  • A$1,200
  • B$4,340
  • C$4,800
  • D$1,860
  • E$1,240

Q14:

Which of the below represents 4 2 0 % of 58?

  • A 5 8 4 2 0 = 𝑛 1 0 0
  • B 𝑛 = 4 . 2 Γ— 0 . 5 8
  • C 𝑛 = 4 2 0 Γ— 5 8
  • D 𝑛 = 4 . 2 Γ— 5 8

Q15:

If Amir invests $4β€Žβ€‰β€Ž500 in an account that yields a simple interest of a 4 % , determine how much money the account will have after 4 years.

Q16:

Estimate 4 9 . 2 5 % of 38.

  • A24
  • B14
  • C28
  • D19
  • E15

Q17:

Determine the interest earned on an account, given that an amount of $2,200 is deposited for 8 years and that the interest rate is 6 . 4 2 % per year.

Q18:

Estimate 0 . 7 5 % of 401.

  • A37
  • B30
  • C12
  • D3
  • E7

Q19:

If a person spends about 2 8 % of their time sleeping, determine which of the following represents an estimate of how much time that person will spend sleeping in 57 years.

  • A 30 years
  • B 12 years
  • C 6 years
  • D 18 years
  • E 37 years

Q20:

The following table represents a bank’s different loan packages. Determine, to the nearest cent, the simple interest earned on $3,700 for 12 months.

Time 6 months 9 months 12 months 18 months
Rate 2 . 3 % 2 . 6 % 3 . 2 % 3 . 3 %

Q21:

Daniel wants to buy a pair of pants for $22. The clothing shop, in which the pair of pants are shown, has a sale of . Daniel estimates that he will save of $20 or an amount of $10. Will the amount he saves for the pants be more or less than $10?

  • Amore
  • Bless

Q22:

Mr. Liam put his life savings of $490,000 in a savings account. If he earns $47,040 in simple interest every year, determine the interest rate on his account.

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