Estimate these

This task is about estimation with addition and multiplication.
In each box below clearly show how you worked out your best estimate.
a) Card A: Estimate the total cost of 1 first aid kit, 1 store tent, and 1 torch. Estimate, do not do an exact calculation.
 
  
 
 
 
My estimate is: ____________________
 
b)
 
Card B: Estimate the total cost of 40 tins of tomatoes and 20 loaves of bread. Estimate, do not do an exact calculation.
 
  
  
 
 
My estimate is: ____________________
 
c)
 
Card C: Estimate the total cost of 3 utensil sets, 8 batteries, 2 water bottles, and 5 gas cookers. Estimate, do not do an exact calculation.
 
  
 
 
 
My estimate is: ____________________

d)

Card D: Estimate how much it cost each of the 9 people for the kayaking lesson, assuming they all paid the same amount. Estimate, do not do an exact calculation.
 
   
 
 
 
My estimate is: ____________________

e)

Card E: Energy bars come in boxes of 48. Each bar costs $2.05. Estimate how much each person pays if the cost is equally shared between 18 people. Estimate, do not do an exact calculation.
 
  
 
 
 
My estimate is: ____________________
 
 
Card A
Estimate the total cost of one first aid kit, one store tent and one torch.

$205.23

$37.65

$13.95

Card B
Estimate the total cost of 40 tins of tomatoes and 20 loaves of bread.

97 cents each

$1.52 each

 
 
 
Card C
Estimate the total cost of 3 utensil sets, 8 batteries, 2 water bottles and 5 gas cookers.

$10.54 each

$1.53 each

$23.85 each

$19.25 each


Card D
The kayaking lesson came to a total of $425 for 9 people. Estimate how much it cost each person for the lesson, assuming they all paid the same amount.

Card E
Energy bars come in boxes of 48. Each bar costs $2.05. Estimate how much each person pays if the cost is equally shared between 18 people.

$2.05 each