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.
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b)
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Card B: Estimate the total cost of 40 tins of tomatoes and 20 loaves of bread.
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c)
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Card C: Estimate the total cost of 3 utensil sets, 8 batteries, 2 water bottles, and 5 gas cookers.
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d)
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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.
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e)
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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.
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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
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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. |
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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 |