Estimating with Percents Quiz

Why is it important to choose compatible numbers when estimating percents?

• To make calculations more complex

• To ensure exact answers

• To avoid using a calculator

• To provide a reasonable solution

What is the estimated value of 47% of 692 using compatible numbers?

• 360

• 350

• 355

• 345

When estimating 60% of 27, what compatible number is used for 27?

• 20

• 30

• 35

• 25

What is the estimated value of 48% of 76 using compatible numbers?

• 42

• 38

• 40

• 36

How is 18% of 42 estimated using compatible numbers?

• By rounding 42 to 40

• By rounding 18% to 25%

• By rounding 18% to 15%

• By rounding 42 to 50

What is the estimated donation amount if Kaylee donates 30% of her $238 savings?

• $74

• $76

• $72

• $70

What mistake was corrected in the calculation of Kaylee's donation?

• Incorrect rounding of savings

• Incorrect division of boxes

• Incorrect addition of increments

• Incorrect percentage used

How is estimating using a rate per 100 different from using compatible numbers?

• It uses exact numbers

• It rounds to the nearest 10

• It involves rounding to multiples of 100

• It uses smaller numbers

What is the estimated value of 17% of 198 using a rate per 100?

• 32

• 30

• 36

• 34

When estimating 20% of 307 using a rate per 100, what is the rounded number used?

• 290

• 300

• 310

• 320