7 Math Money

Using Australian Coins

100

List all the Australian Coins 

5c, 10c, 20c, 50c, $1, $2

200

If you have a 50-cent coin, a 20-cent coin, and a 10-cent coin, how much money do you have in total?

80c

300

You want to buy a toy that costs 70 cents. What coins could you use to make 70 cents? Can you find two different combinations?

50c & 20c

7x 10c

etc...

400

If you give a $1 coin to buy an item that costs 45 cents, how much change will you get back? What coins might you receive as change?

55c

500

If you have three 10-cent coins, two 5-cent coins, and one 20-cent coin, how much money do you have altogether?

60c

Using Money and Making Change

100

If you have two 50-cent coins and one 20-cent coin, how much money do you have in total?

$1.20

200

You need to pay 75 cents for a toy. Which coins could you use to make exactly 75 cents?

You could use one 50-cent coin, one 20-cent coin, and one 5-cent coin. Or, three 20-cent coins and one 5-cent coin

300

You buy a pencil for 45 cents and an eraser for 30 cents. How much do you spend in total?

75c

400

You give a $2 coin to buy an ice cream that costs $1.35. How much change will you get back?

65c

500

You buy a book for $2.50, a toy for $1.75, and a snack for 95 cents. How much do you spend in total, and if you pay with a $5 note, how much change will you receive?

Total = $5.20

Change = Need an extra 20c

Making Money Transactions

100

You buy a pen for $1.25 and a notebook for $2.50. How much do you spend in total?

$3.75

200

You give a $10 note to pay for items that cost $6.80. How much change will you get back?

$3.20

300

You buy a sandwich for $4.50, a drink for $1.75, and a cookie for $1.25. How much do you spend, and if you pay with a $10 note, how much change will you get back?

Cost = $7.50

Change = $2.50

400

A book costs $8.95 and a toy costs $6.45. How much more expensive is the book than the toy?

the book is $2.50 more expensive than the toy. 

500

A jacket is priced at $45.00. During a sale, it is sold at a 20% discount. What is the sale price of the jacket?

• Discount amount: 20% of $45.00 = 0.20 x $45.00 = $9.00.
• Sale price: $45.00 - $9.00 = $36.00.

CHALLENGE

100

You have $20 to spend. You want to buy a toy that costs $12.50. How much money will you have left after buying the toy?

$20.00 - $12.50 = $7.50

200

You have $50. You want to buy a book for $15.95 and a game for $27.45. How much will you spend in total, and how much money will you have left?

• Total cost: $15.95 + $27.45 = $43.40.
• Money left: $50.00 - $43.40 = $6.60.

300

You save $10 each week. How much money will you have saved after 4 weeks? What if you save the same amount for 2 months?

• After 4 weeks: $10 x 4 = $40.
• After 2 months (approximately 8 weeks): $10 x 8 = $80.

400

You want to buy a bicycle that costs $150. You currently have $30 and plan to save $15 every week. How many weeks will it take you to save enough money to buy the bicycle?

• Amount needed: $150 - $30 = $120.
• Number of weeks: $120 ÷ $15 = 8 weeks.

500

You have a monthly allowance of $100. You plan to spend $25 on snacks, $30 on toys, and save the rest. How much money will you save each month?

Monthly savings: $100 - ($25 + $30) = $100 - $55 = $45.