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Forestdale Primary School

Believe - Aspire - Excel

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Maths

Lesson 1

LI: To estimate the answer before solving.

We will be using our rounding knowledge that the children have been working on with Mrs Raja to estimate answers before solving them.

Estimate means –a good guess

We can estimate an answer to a question by rounding the numbers first.

e.g.

27 + 32 =   a good estimate 30+30 =60

98 – 42 = a good estimate 100-40 = 60

Remember for rounding

5 or above you must round up

4 or below then down you go.

Activity

  • Row 2 and 3 – complete section A of sheet in home learning pack labelled Lesson 1.
  • Row 4 – complete section B of sheet in home learning pack labelled Lesson 1.
  • Row 1 – work through your addition and subtraction booklet.

 

Lesson 2

LI: To use the inverse operation to check an answer.

Explain that we are using the inverse today to check an answer – explain what the inverse of an operation is – subtraction/addition.  If we have an addition sum we can use a subtraction calculation to check the answer – inverse = opposite.

e.g.

   469                                                          726

+ 257         reverse order to check it       - 257

  726                                                          469

 

Activity

  • Row 1 – work through your addition and subtraction booklet.
  • Row 2, 3 and 4 – complete the maths sheet in your home learning pack.

 

Lesson 3

LI: To use the inverse operation to check an answer.

A continuation of the previous lesson on inverse.

Remember if you have an addition question you can check you answer by turning it into a subtraction question – using the inverse.  If you have a subtraction question you can use the inverse operation (addition) to check your answer.

   469                                                          726

+ 257         reverse order to check it       - 257

  726                                                          469

 

Activity

  • Row 1 – work through your addition and subtraction booklet.
  • Row 2, 3 and 4 – complete the maths sheet in your home learning pack.

Awards

Awards we have received so far.

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