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Decimal Auction Game

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Decimal Auction Game

You have $5.00 to spend at a mini auction. Prices are in New Zealand dollars. Read each bid carefully, compare the amounts, and keep track of your money. You can write your working beside each question.

Warm up: read the prices

Remember: the digits after the decimal point show cents. For example, $1.25 means one dollar and twenty-five cents.

1.At the auction, a sticker pack costs one dollar and fifty cents. Which price tag shows that amount?

$1.05
$1.50
$15.00

2.Write the price in dollars and cents: a toy boat costs two dollars and five cents. $

3.Put a tick beside every bid that is less than $1.00: $0.75, $1.10, $0.50, $1.00.

4.Use the number line to help order the bids from smallest to largest: $0.25, $0.75 and $0.50. Write the prices in order.

Your $5.00 auction budget

Keep a running total as you decide what to bid on.

5.You bid $1.20 on a toy car and win it. How much of your $5.00 is left? Show a number sentence.

6.You have $3.80 left and want to bid $2.50 on a book. Can you afford it? How much would you have left?

7.Match each auction action to what it helps you do.

Check your budget
Compare two prices
Subtract a winning bid

Choose the smaller or larger bid
Work out your new total
Know how much money is left

8.The highest bid for a puzzle is $1.25. You have $2.00. Write one bid that is higher than $1.25 and that you can afford. How much money would you have left?

9.A badge costs $0.60 and a pencil costs $0.30. If you buy both, what is the total cost? Would $1.00 be enough?

10.Make up one auction bid for an item you would like. Write its price using dollars and cents, then say whether it is more or less than $1.00.