Class 8 Exam  >  Class 8 Notes  >  Mental Mathematics for Class 8  >  Worksheet: Estimation

Worksheet: Estimation | Mental Mathematics for Class 8 PDF Download

Q1: The drive from Gimli to Emerson is 200 km. How long will it take to drive this at 100 km/h?

Q2: The drive from Minot to Grand Forks is 210 miles. About how long will it take to get there driving 68 miles per hour?

Q3: Estimate the time each Grade 8 student spends in math class this month.

Q4: What two whole numbers is √30 between?

Q5: Less than, greater than, or equal? 9 _____ √99

Q6: The drive from Melita to Gretna is 300 km. About how long will it take to drive this at 80 km/h?

Q7: How fast do you bike in km/h if it takes you 4 minutes to bike a kilometre?

Q8: Estimate the value of a stack of quarters 1 metre tall. A roll of quarters is 7 cm long and worth $10.

Q9: Less than, greater than, or equal? 8 _____ √80

Q10: Less than, greater than, or equal? 11 _____ √66

Q11: The distance from The Pas to Winnipeg is 628 km. At an average speed of 80 km/h, about how long would this trip take?

Q12: Sales taxes in Manitoba are 8% PST and 5% GST. What is the approximate total cost for a new phone priced at $99?

Q13: Beth is a great waitress. She expects a 15% tip from a man who had a meal worth $12.35. He left her $1.30. Is this reasonable?

Q14: Less than, greater than, or equal? Worksheet: Estimation | Mental Mathematics for Class 8 

Q15: Less than, greater than, or equal? Worksheet: Estimation | Mental Mathematics for Class 8 

Q16: Four classes with 21 students each need to take a field trip to the box factory. Each bus holds 25 students. How many buses are needed?

Q17: You received a terrible haircut. You want to tip 5% or slightly less. The final bill is $20.99. What should you tip?

Q18: Estimate the cost: 10% off a shirt worth $29.97

Q19: Less than, greater than, or equal? Worksheet: Estimation | Mental Mathematics for Class 8

Q20: Less than, greater than, or equal? 3 _____ √6

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