Year 5 Maths Challenge

Olivia was hosting a Birthday party. She wanted each guest to have a party hat. She had 14 friends coming. The hats were available in packs of 5 for $6. She could also buy the hats individually for $1.00 each. Which option is better value?

• The packs of 5 work out cheaper

• It's the same price for both options

• Buying hats individually is the best value.

Students are comparing fractions and decimals. Which of the following statements are true? (Select all that are correct)

• 19/10 = 1.9

• 75/100 is the same as 7 and 5 tenths

• 5 hundreths = 0.5

• All the options are correct

Would it be better value to buy 3 x 2 litre tubs of ice cream for $2.50 each, or 4 x 1.5 litre tubs for $2.00 each

• Definitely the 2 litre tubs

• I'd buy the 1.5 litre tubs

• They both work out the same

TRUE OR FALSE? The school needs 100 toilet rolls. They will save money if they buy in bulk from Costco, and buy 100 toilet rolls for $25, compared to buying it in packs of 10 at $2.00 per pack.

• True

• False

Jake is having the boys over for a Minecraft party. They all want a bottle of Prime to drink so he asked all 11 of them to bring $2.50 each towards it. If it costs $4.50 a bottle, how much extra money will Jake need to buy his friends drinks?

• $19.50

• $17.50

• $22.00

• $20.00

A pizza has 10 slices. If Olly eats 0.7 of the pizza, how many slices are left?

• 2 slices

• 3 slices

• 4 slices

• Only 1 slice

Which of these is the same as 780/100? Choose all correct answers

• 7.8

• Seven and eight tenths

• 7.08

• All of the above

Year 5 has 100 students. There are 75 students with brown eyes. If four-fifths of the remaining students have blue eyes, how many are there?

• 15

• 20

• 25

• 10

TRUE OR FALSE. Mr Sinton ran 11.1 kms last weekend. If next weekend he runs 23 times around a 500m track he will have run further.

• True

• False

Year 5 teachers are buying bottled water for a Year 5 party. They need 120 bottles.

Mr Ryan can get 12 packs for $10;

Ms Bel can buy 10 packs for $12;

Mrs Slattery has found packs of 20 for $15.

Who is getting the best deal?

• Mr Ryan

• Ms Bel

• Mrs Slattery