T3 Number Portfolio

50/50

100

What is 50% of $120?

What is $60

200

I bought 300 marbles and decided to give 50% to my friend. How much will I have left after I give half away?

What is 150

300

What is 50% of 325?

What is 162.5

400

Half of the 474 exhibits at Melbourne Zoo will be closed for renovation in Winter. How many exhibits will still be open? 

What is 237 exhibits? 

500

What is 50% of 0.111?

What is 0.055

Change it up

100

I went to the supermarket with $10 in my pocket. I bought three apple priced at 50c each and a bottle of water priced at $2.25. What is my change?

What is $6.25

200

I have $20 and spend $10.75. How much change will I get from the cashier?

What is $9.25

300

Mary loves eating fruits. Mary paid $8.30 for cherries, and $9.37 for berries with a $20 bill. How much change did Mary receive?

What is $2.33 

400

On Wednesday, Tim paid $8.50 each on two tickets to a movie theater. He also borrowed a movie for $9.15. Tim paid with two $20 bills. How much change did Tim receive?

What is $13.85 

500

Keith loves trading cards. He bought 4 packs of football cards for $2.58 each, and a deck of Pokemon cards for $8.11 with a $100 bill. How much change did Keith get?

What is $81.37

Fractions alive

100

In a class of 30 students, 2/3 wear white sneakers. How many students don't wear white sneakers?

What is 10 students

200

What fraction is bigger, 12/10 or 20/100?

What is 12/10

300

There are 24 hours in a day and scientists tell us that we should sleep for 3/8 of the day. How much time should we spend sleeping? 

What is 9 hours

400

Billy collected 256 conkers but lost ¾ of them on his way to school through a hole in his bag. When he arrived at school how many conkers did Billy have left?

What is 64

500

The local shop normally sells Mars bars for $1.50. The shopkeeper says I can buy them for 1/3 less than the normal price. How much can I buy a Mars bar for?

What is $1

10% down

100

What is 10% of 150?

What is 15

200

What is 10% of 250?

What is 25

300

There are 110 students in grade 6. 10% have a fear of clowns. How many students will miss the upcoming excursion to the circus? 

What is 11 students

400

There are 20 houses in my street. 90% of houses have red roofs. How many do not?

What is 2

500

I want to buy my dad a new TV for Father's Day. The JB HiFi catalogue shows a $475 LCD smart TV with a 10% discount. How much will I spend if I buy the TV?

What is $427.5

Buy it Best

100

I can buy one apple for 50c or three apples for $1.45. Which is the better buy?

What is three apples for $1.45 (48c each)

200

Which is the better buy, 2L of milk for  $2 or 6L of milk for $5.60?

What is 6L of milk for $5.60 (93.3c per litre) 

300

Adam buys 4 cupcakes for $4.25. Lucy buys 5 cupcakes for $5.10. Who got the better deal?

Who is Lucy

400

The JB HiFi catalogue is adverting two special movie deals. I can get three seasons of Are You Afraid of the Dark for $45 or get each season separately for $15.95. Which deal is better? 

What is three seasons of Are You Afraid of the Dark for $45 ($15 each)

500

The store sells T-Shirts for $12 each, but has two specials running over Father's Day. 

Offer 1: Pay for two T-shirts and get one free. 

Offer 2: Pay for five T-shirts and get three free.

Which offer is better value for money?

What is Option 2 ($7.50 per shirt instead of $8 per shirt)