Estimating: Number Sense

 $\sqrt{10}$  

Which is a reasonable estimate for the square root shown above? 

• 2

• 3.1

• 5.6

• 7.9

 $\sqrt{5}$  is between _________ and 3.  What number belongs in the blank? 

 $\sqrt{35}\$ Which is true about this number? 

• It is between 5 and 6 closer to 6

• It is between 5 and 6 closer to 5

• It is between 6 and 7 closer to 6

• It is between 6 and 7 closer to 7

 $\sqrt{8}\ +\ 5$  
Which is a reasonable estimate for the above? 

• 8

• 12

• 20

• 13

 $\sqrt{10}\ +\ \pi$  

Which expressions (more than 1 answer) are LESS than the expression above? Use estimation to determine this

• 2

• 10

• 1

• 3

• 9

 $\frac{5.8}{2}$  

Which is a reasonable estimate for the above expression? 

• 5

• 2

• 3

• 10

 $\frac{8}{\sqrt{5}}$  
What is a reasonable estimate for the above expression? 

• 12

• 10

• 5

• 2

 $\sqrt{35}\ +\ 4.98$  
Which is a reasonable estimate for the above expression?

• 39

• 20

• 11

• 7

How confident do you feel with estimating numbers?

• I need to see Dr. Vandine for more help

• I think I might need more practice but I am getting a few of them correct

• I made some minor mistakes

• I understand this completely