Question

which number is the best estimate for $806 - 211$?
200 400 600 800

Explanation:

Step1: Round the numbers

Round 806 to the nearest hundred, which is 800. Round 211 to the nearest hundred, which is 200.

Step2: Perform the subtraction

Now, subtract the rounded numbers: \(800 - 200 = 600\). Also, we can check the actual subtraction: \(806 - 211 = 595\), and 595 is closest to 600.

Answer:

600