Estimating with Rounding (Ex. 2)

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1. Question 1

   Multiple choice

   A shop sells 4,875 items in the morning and 3,126 in the afternoon. The best estimate to the nearest 1,000 is:

2. Question 2

   Multiple choice

   Estimate 723,500 - 298,400 to the nearest 100,000.

3. Question 3

   Multiple choice

   Which calculation gives approximately 600,000?

4. Question 4

   Sequence

   What is the missing number in the sequence? 50,000 ; 100,000 ; 150,000 ; ___ ; 250,000

5. Question 5

   True or false

   Estimates are useful for checking if your answer is reasonable.

More exercises in this module

• Efficient Calculation Strategies (Ex. 1)

• Efficient Calculation Strategies (Ex. 3)

• Adding Large Numbers (Ex. 3)

• Estimating with Rounding (Ex. 3)

• Six-Digit Addition (Ex. 6)

• Subtracting Large Numbers (Ex. 3)