Problems, Problems! Problems!

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Problems, Problems! Problems!

• And how to solve them!

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Mental Maths
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Learning Objective

• By the end of this lesson, children will be able
  to -
• To use all 4 operations (, -, X, and ?) to solve
  word problems involving numbers in real life.

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Fruit Problem

• If oranges cost 12p each and pears cost 1 for
  10, which fruit is cheaper?
• How many more pears than oranges could I buy for
  2?

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School Book Problem

• A school book costs 24p and a ruler costs 32p.
  How many more books could I buy than rulers for
  1? How much change would I have?
• If I had to buy a book and ruler set - how many
  sets could I buy for 5.00?

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Cinema Problem

• John and Mary want to go to the cinema. They have
  5.00 to spend. John catches a bus, costing 38p
  for the trip. Mary goes in a taxi, which costs
  1.50. When they leave the cinema, they still had
  1.22.
• How much did they spend on the cinema tickets?

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Main Task

• Date-19th September 2000
• Title- Word Problems
• Expectations- Show the workings for the
  calculation, but DO NOT WRITE OUT question.
• All children are expected to complete 5 word
  problems!

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Main Task

• Blue group to work directly off this computer
  screen.
• Yellow table - find Yellow questions around the
  room. I expect you to complete at least 6
  questions.
• Red Table- Find Red Questions around Room
• Green - Find Green Questions around room

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Blue Tables Task - All need to be completed!

• 1) An apple costs 30p, while a banana costs 23p.
  How many apples could I buy for 1? How much
  change would I get from 1.50, if I bought 3
  apples and a banana?
• 2) I buy a pizza for 90p. If I shared it between
  6 people, how much would each slice cost? How
  many slices of pizza could I buy for 5.00?
• 3) John has twice as many Pokemon cards as
  Gregory. If Gregory has 32 cards, how many cards
  does John have? If John had 32 cards, how many
  would Gregory have?
• 4) Sally, Jane and Sue each have a car. If each
  woman takes 1 1/2 hours to drive to London. What
  was the total time to drive three cars to
  London.? If each of the cars use 1 litre of
  petrol to drive 10 miles, and London is70 miles
  away, how many lires of petrol were used in
  total?

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Plenary

• 1) An apple costs 30p, while a banana costs 23p.
  How many apples could I buy for 1? How much
  change would I get from 1.50, if I bought 3
  apples and a banana?
• 2) I buy a pizza for 90p. If I shared it between
  6 people, how much would each slice cost? How
  many slices of pizza could I buy for 5.00?

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• 3) John has twice as many Pokemon cards as
  Gregory. If Gregory has 32 cards, how many cards
  does John have? If John had 32 cards, how many
  would Gregory have?
• 4) Sally, Jane and Sue each have a car. If each
  woman takes 1 1/2 hours to drive to London. What
  was the total time to drive three cars to
  London.? If each of the cars use 1 litre of
  petrol to drive 10 miles, and London is70 miles
  away, how many lires of petrol were used in
  total?