Efficient Calculation Strategies (Ex. 2)

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1. Question 1

   Multiple choice

   What is 4,000 - 2,998?

2. Question 2

   Multiple choice

   The quickest way to add 199 + 145 is:

3. Question 3

   Multiple choice

   36,000 + 64,000 = ?

4. Question 4

   Sequence

   What is the missing number in the sequence? 500,000 ; 450,000 ; 400,000 ; ___ ; 300,000

5. Question 5

   True or false

   Adding numbers in any order gives the same answer.

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)