Understanding irrational numbers

Estimate the square root.

• Between 3 and 4

• Between 4 and 5

• Between 5 and 6

• Between 6 and 7

What is the square root of 31685

• 1467

• 178

• 194

• 31685

Estimate the value of √19. Between which two whole numbers?

• 3 & 4

• 4 & 5

• 361 & 362

• 362 & 363

On a number line, let point A represent the integer value that is slightly less than  $\sqrt{32}$  and let point B represent the integer value that is slightly greater than $-\sqrt{45}$    .  What is the distance between these two points on the number line?

• 11

• -1

• 12

• -2

Mathematical Equivalence

ON

 $\sqrt{15}$  

Estimate the value.

• The value would fall between 13 and 14

• The value would fall between 4 and 5

• The value would fall between 3 and 4 

• 4.1

• 7.7

• 17.3

Estimate to the nearest whole number.

• 9

• 11

• 8

• 10

Which of the following is NOT correct estimation?

• 
• 
• 
•