Estimating farm animals

This task is about using a way of estimating that you have discussed with your teacher.
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Daniel wanted a quick estimate of the number of animals on a farm. 
Make an estimate for each of the total number of animals, and explain how you did it in the box.

Question 1Change answer

a)  There are 437 lambs in one field and 286 in another field. 
     The number of lambs is about .
     This is because ...
     

Question 1Change answer

Have a group discussion with your teacher on your ways of estimating for this problem. 
 
 
Make estimates for the number of animals. In each problem:
  1. Give an estimate of the number of animals.
  2. Show how you made your estimate.

Question 1Change answer

b)  The number of cows in five paddocks is: 67, 26, 49, 22 and 84. 
     The total number of cows is about .
     Show how you estimated it.
     

Question 1Change answer

c)  The number of sheep in four paddocks is: 362, 634, 145 and 294. 
     The total number of sheep is about .
     Show how you estimated it.
     

Question 1Change answer

d)  On a farm there were 47 ducks, 5 472 sheep, 386 cows, 8 616 lambs and 3 705 deer. 
     The total number of animals was about .
     Show how you estimated it.