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Worksheet: Estimating Products in Word Problems

Q1:

Nada’s shower uses 7.8 litres of water per minute.

By rounding the number of litres to the nearest whole number, estimate how many litres she will use if her shower lasts 9 minutes.

Calculate exactly how many liters of water a 12-minute shower will consume.

  • A 93.6 litres
  • B 78.3 litres
  • C 104.4 litres
  • D 70.2 litres
  • E 163.8 litres

Q2:

The average person blinks about 900 times an hour.

By rounding the number of hours in a day to the nearest ten, estimate how many times a person blinks in a day.

Is this estimate more or less than the actual number of times a person blinks in a day?

  • ALess
  • BMore