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Forestdale Primary School

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Maths

Lesson 1

 

LI: To be able to solve calculations mentally

 

The aim of this lesson is to be able to solve a range of addition and subtraction questions using a range of mental maths methods. 

 

  • Allow your child to create a six digit number – use a 1-9 die if possible and if a rolled number appears that is in their six digit number they subtract the amount it represents from their number. If not use a random number generator on the internet or randomly say a number from 1-9.  
  • Talk through and discuss different mental strategies – A video has been attached to show the different mental strategies your child may use or wish to try such as partitioning, doubling/halving and so on.  

Work through mental maths problems applying what they have learnt using the method that they are most comfortable with. When finished they can check their answers using column method. 

Lesson 2

 

LI: To be able to revise mental strategies

 

Your child shall revisit the learning from yesterday and apply it to more challenging problems.

 

  • Replay or recap yesterday’s video on the different mental methods your child can use.
  • Practice with a few simplistic addition and subtraction questions using the Daily Ten link below:
  • Let your child work through the activity sheet. As they do so, ask them to explain how they completed the calculation. Compare the mental calculations used across the questions and which they found most useful.  

Lesson 3

 

LI: To be able to solve a series of addition and subtraction problems

 

Your child will practice their use of addition and subtraction problems through pyramid blocks.

  • Ask your child to explain how to use column addition and subtraction. Ensure that if your child is discussing addition that they use language like ‘carrying’ and ‘exchanging’ when they are subtracting.
  • Show child this video if they are unsure about how to use column method:
  • Show child worksheet when you feel they are confident in their knowledge of column addition and subtraction.
  • The further up the pyramid, the greater the value of the number as it is made up of the two blocks below.
  • The activity sheet explains how to solve the pyramids. Importantly, reinforce to your child the importance of solving the question through working it out in column method.

  Lesson 4 

 

  LI: To be able to use the order of operations to carry out calculations

 

Ask your child if they are familiar with the term BODMAS (this has been used in class this year).

  • Explain that each letter in BODMAS refers to a mathematic operation and should be used in order to solve problems.

B = Brackets, O = Order (power), D = Division, M = Multiplication, A = Addition and S = Subtraction.

The link attached is here to help you: 

  • Share some examples with your child and get them to identify what order they should complete the question in.
  1. 15 + 3 x 2

Here we complete the multiplication part of the question first. So 3x2 = 6. Now we use the 6 instead. 15 + 6 = 21.  

  1. 40 – (6 x 5)

Here we complete the brackets part of the question first as the B comes before S in BODMAS. 6 x 5 = 30. We now substitute the brackets with our answer to the calculation. So 40 – 30 = 10.

  • The most important part of this lesson is children remembering that they need to complete the question in a particular order.
  • Your child can now attempt to solve a series of BODMAS style questions.

Lesson 5

 

LI: To be able to use brackets to correctly complete number sentences.

 

Today your child will be given BODMAS statements and need to decide whether the statement is true or false. If it is false they shall need to use their knowledge of brackets to make the statement correct by inserting them in the correct place.

  • To begin, give your child a problem linked with yesterday’s learning: What do you think the answer to 56 + (7 × 8) is?
  • Remind your child of the meaning of BODMAS and what each letter represents.
  • Explain that the calculation contained brackets so must be done first and then the addition can be completed to give the answer.
  • Show some further examples of BODMAS questions using brackets below:
  1. 12 + (5 x 2)   2) 4 x 3 + (6 – 3)    3) 7 x (3 + 6)
  • Complete activity sheet when your child appears confident in their use of brackets first. Your child shall either then solve the calculations that include brackets OR have to insert brackets into calculations so that they create the number sentence. Remind children of the video for yesterday's lesson if they are struggling to recall the order of operations. 

Awards

Awards we have received so far.

  • Primary Science
  • Healthy Schools
  • Health for Life
  • Artsmark Award
  • EEF
  • Big Lottery Fund
  • Music Mark