Computational Skills Practice Problems ESTIMATION

INSTRUCTIONS:

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Write a product that approximates 298 x 51.
1. 1,500
2. 15,000
3. 3,000
4. 30,000
  
  DETAILED SOLUTION
A car averages 21 miles on each gallon of gas. Approximate the number of miles the car can travel on 14 gallons of gas.
1. 300
2. 30
3. 20
4. 220
  
  DETAILED SOLUTION
The square root of 402 is approximately what number?
1. 20
2. 200
3. 2
4. 21
  
  DETAILED SOLUTION
is approximately what number?
1. 40
2. 400
3. 4
4. 41
  
  DETAILED SOLUTION
is approximately what number?
1. 0.2
2. 200
3. 20
4. 2.02
  
  DETAILED SOLUTION
What is the approximate value of 2.93 x 17.014?
1. 67
2. 500
3. 600
4. 51
  
  DETAILED SOLUTION
23% of 80 is approximately what number?
1. 20
2. 23
3. 75
4. 80
  
  DETAILED SOLUTION
What is the approximate value of 9.2% of 58?
1. 5
2. 7
3. 9
4. 10
  
  DETAILED SOLUTION
What is the approximate value of
1. Between 0.5 and 1
2. Between 1 and 1.5
3. Between 1.5 and 2
4. Between 2 and 2.5
  
  DETAILED SOLUTION
is approximately what number?
1. 5
2. 10
3. 12
4. 15
  
  DETAILED SOLUTION