THE MAGNIFICANT MATHS SHOP

INTERACTIVE MATHS LESSON

Year 5

Mr Shepherd comes into the shop to buy some flowers for his wife. He buys 1 dozen

daffodils. How much does he spend?

Price List

Daffodils – 49p each

Roses – 49p each

Tulips – 51p each

Lilies – 51p each

£6.00

£5.88

£5.66

Is this how you worked it out?

12 x 49 = (12 x 50) – 1212 x 49 = 600 – 1212 x 49 = 588

Or did you use the grid method?

Good try, but think about what multiple of ten is very close to 49. Could you use that to help you work out

the calculation?

A famous actor comes into the shop to buy some flowers for his new girlfriend. He buys

15 Lilies. How much does he spend?

Price List

Daffodils – 49p each

Roses – 49p each

Tulips – 51p each

Lilies – 51p each

£7.85

£7.75

£7.65

Is this how you worked it out?

15 x 51 = (15 x50) + 1515 x 51 = 750 +1515 x 51 = 765

Or did you use the grid method?

Good try, but think about what multiple of ten is very close to 51. Could you use that to help you work out

the calculation?

An old lady comes into the shop to buy some flowers for her granddaughter.

She buys 2 dozen Tulips.How much does she spend?

Price List

Daffodils – 49p each

Roses – 49p each

Tulips – 51p each

Lilies – 51p each

£12.24

£11.94

£12.54

Is this how you worked it out?

24 x 51 = (24 x 50) + 2424 x 51 = 1200 + 2424 x 51 = 1224

Or did you use the grid method?

Good try, but think about what multiple of ten is very close to 51. Could you use that to help you work out

the calculation?

A rich man comes into the shop to buy some flowers for his girlfriend. He buys 36

Roses. How much does he spend?

Price List

Daffodils – 49p each

Roses – 49p each

Tulips – 51p each

Lilies – 51p each

£17.84

£17.44

£17.64

Is this how you worked it out?

36 x 49 = (36 x 50) - 3636 x 49 = 1800 - 3636 x 49 = 1764

Or did you use the grid method?

Good try, but think about what multiple of ten is very close to 49. Could you use that to help you work out

the calculation?

Remember, when answering a word problem, find the relevant information, the

facts and the question that you have to answer!!!!