Estimate these II

This task is about making sensible estimates for some number problems.

In each box below clearly show how you worked out your best estimate. Estimate; do not do an exact calculation.

 

a) Card A: Estimate the total cost of 1 first aid kit, 1 store tent, and 1 torch. 

 

     
 
My estimate is: ____________________

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

     
 
My estimate is: ____________________

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

     
 
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.
 

     
 
My estimate is: ____________________

 
 
 
 
Card A
Estimate the total cost of hiring the hall, the lights, and 100 seats for one night.

Hall - $96.25 per night
 
 
Lights - $71.66 per night
Card B
Estimate the total cost of 12 plastic swords.
Sword - $24.50 each
Card C
Estimate the total cost of 17 umbrellas.
Umbrella - $9.60 each
 
Card D
Estimate the total cost of 2 metres of silk, 5 metres of cotton, and 9 metres of elastic.
Silk - $9.95 per metre
Cotton - $4.25 per metre
Elastic - $2.80 per metre
Card E
If the total costs for the show are $512, then estimate the number of tickets that will need to be sold to cover costs if each ticket costs $4.80.
Ticket - $4.80 each