1st & 2nd Index Law
3rd & 4th Index Law
12 & 24 Hour Time
Percentages
Exchange Rates
100

Simplify

px p2

p5

100

Simplify

(x3)2

x6

100

Convert 3:45 pm to 24-hour time

15:45

100

Find 25% of 80

20

100

If 1 AUD = 0.65 USD, how much is $10 AUD in USD?

$6.50 USD

200

Simplify

a7 ÷ a4

a3

200

Solve

p0

1

200

Convert 14:20 to 12-hour time

2:20 pm

200

Find 15% of 200

30

200

If 1 AUD = 0.60 EUR, how much is $50 AUD in EUR?

€30

300

Simplify

3mx 2m3

6m8

300

Simplify

(a4)3

a12

300

How long between 9:15 am and 1:45 pm?

4 hours 30 minutes

300

A $60 item is on sale for 20% off. What is the sale price?

$48

300

If 1 AUD = 90 JPY, how much is $25 AUD in yen?

¥2250

400

Simplify

12y9 ÷ 3y3

4y6

400

Solve

(82)0

1

400

A movie starts at 18:35 and runs for 2 hours 25 minutes. What time does it finish?

21:00 or 9:00pm

400

A hoodie costs $80. It is 25% off, and then you pay an extra $10 for shipping. What is the final price?

Final Answer: $70

400

If 1 AUD = 0.65 USD, how much AUD do you need to get $130 USD?

$200 AUD

500

Simplify 

6m4 ÷ 4k12 ÷  2k5

6m4 ÷ 2k7

500

Solve

(2k2)5

32k10

500

A flight leaves at 22:50 and lands at 06:15 the next day. How long is the flight?

7 hours 25 minutes

500

A store has a deal: buy one item for $120 and get a second identical item for 50% off. Then you pay $14 shipping on the total. What is the final price for both items?

Final Answer: $194

500

If 1 AUD = 0.70 USD, you exchange $200 AUD into USD. While overseas, you spend $50 USD. You then exchange the remaining money back into AUD at the same rate. How much AUD do you have left?  

Final Answer: $128.57 AUD (approx.)