year 4 interactive maths lesson

Year 4 January 2010

THE MAGNIFICANT MATHS SHOP

YEAR 4INTERACTIVE MATHS LESSON

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LO: to solve some money LO: to solve some money problems with multiplicationproblems with multiplication

Vocabulary: “a dozen” is 12

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 – 50p each

Roses – 50p each

Tulips – 51p each

Lilies – 51p each

A £6.00

B £6.50

C £5.66Next Page

Is this how you worked it out?

12 x 50 = (12 x 50)10 x 50 = 600 + 2 * 5012 x 60 = £6.00

Or did you use another method?

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

tulips. How much does he spend?Answer in pence only e.g. 345

Price List

Daffodils – 50p each

Roses – 50p each

Tulips – 51p each

Lilies – 51p each

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Best six to this point to work

with Mrs Faulkner

You need to change Q5s and

use a laptop.

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

10 Lilies. How much does he spend?

A £7.85

B £0.51

C £5.10

Price List

Daffodils – 50p each

Roses – 50p each

Tulips – 51p each

Lilies – 51p each

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Is this how you worked it out?

10 x 51 = (10 x50)+(10+1)10 x 51 = 500 +1010 x 51 = 510 = £5.10

Or did you use another method?

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Is this how you worked it out?

51 Repeated addition 51 51 51 51 51 51 51 51 51 +510 Did you do it this way?

Or did you use another method?

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Can you find another way of doing this sum?

10 x 51p =

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

She buys 1 dozen Tulips.How much does she spend?

Price List

Daffodils – 50p each

Roses – 50p each

Tulips – 51p each

Lilies – 51p each

A £6.12

B £1.94

C 52pNext Page

Is this how you worked it out?

12 x 51 = (12 x 50) + (12 x 1) 12 x 51 = 600 + 1212 x 51 = 612 = £6.12

Or did you use another method?

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Think about what multiple of ten is very close to 51. Could you use that to help

you work out the calculation?

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A rich man comes into the shop to buy some flowers for his girlfriend. He buys 30 Roses.

How much does he spend?

Price List

Daffodils – 50p each

Roses – 50p each

Tulips – 51p each

Lilies – 51p each

A £17.84

C £12.44

B £15.00

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Is this how you worked it out?

3 x 5 = 1530 x 5 = 15030 x 50 = 1500 = £15.00

Or did you use another method?

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

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

Next Page – self

assessment.

LO: to solve some money LO: to solve some money problems with multiplicationproblems with multiplication

I am very confident – I mostly got these problems right.

I need more practice but did get some right.

I don’t know how to do this and need much more practice.A

B

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