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Which is the Best Buy?

Authored by Christine Maxwell

Mathematics

7th - 9th Grade

CCSS covered

Used 15+ times

Which is the Best Buy?
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7 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which is the better buy,


paying $3.60 for 2 kg of flour,


or,


paying $8.50 for 5 kg of flour?


Remember that a better buy is a cheaper price!

$3.60 for 2kg of flour is a better buy

$8.50 for 5kg of flour is a better buy

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

CCSS.6.RP.A.3

2.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

Which is the better buy,


paying $14.40 for 12 kg of potatoes,

or,

paying $5.50 for 5kg of potatoes?

paying $14.40 for 12kg of potatoes is the better buy

paying $5.50 for 5 kg of potatoes is the better buy

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

CCSS.6.RP.A.3

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which is the better buy,


paying $9.50 for 500g of cheese,

or,

paying $39 for 2kg of cheese?

paying $9.50 for 500g of cheese is the better buy

paying $39 for 2 kg of cheese is the better buy

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

CCSS.6.RP.A.3

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which is the best buy out of these soft drink options?

paying $4.00 for 6x200mL cans

paying $1.50 for 1.25 L

paying $1.00 for a 375 mL can

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

CCSS.6.RP.A.3

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

A chef makes pasty using a 3:1 ratio of flour to butter.
What is the scale factor in this context?

 \frac{1}{3}  

4

 14\frac{1}{4}  

3

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

How much flour will the chef need to make pastry if the ratio of flour to butter is 3:1 and he has 1.65 kg of butter?

3.95 kg of flour

5.85 kg of flour

4.75 kg of flour

4.95 kg of flour

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

How much butter will the chef need to make pastry if the ratio of flour to butter is 3:1 and he has 7.5 kg of flour?

5 kg of butter

22.5 kg of butter

2.2 kg of butter

2.5 kg of butter

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