Proportion or Nonproportion

What is the value of k. the constant Proportionality for this table?

• 1/9

• 9

• 8

Fill in the missing number into the ratio table

• 5

• 15

• 25

• 12

Write an equation connecting the total cost, y and the number of days, x.

• y=18x

• y=18.50x

• y=22.50x

• y=22x

I need 200g of flour to make 8 pancakes. How much flour will I need to make 16 pancakes?

• 200g

• 4000g

• 400g

• 2000g

I need 3 eggs to make a pudding that feeds 6 people. How many eggs will I need to make a pudding big enough to feed 2?

• 3

• 2

• 1

5 pencils cost £2.50. How much will 10 pencils cost?

• £5

• £3.50

• £2.50

• £4

3 packs of paper cost £3.25. How much would 9 packs of paper cost?

• £9

• £6.25

• £9.75

• £6.50

4 packets of crisps cost £1.20. How much will 12 packets cost?

• £2.40

• £4.20

• £3.60

10 packs of sweets cost £3.50. How much will 2 packs of sweets cost?

• 75p

• 80p

• 70p

It costs £1.20 to buy enough chocolate to make 12 cookies. How much will it cost to buy enough chocolate to make 6 cookies?

• £0.06

• £0.60

• 80p

• £2.40