Progression in addition Year 4 to Year 6

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Progression in addition Year 4 to Year 6

• Milton Primary School

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• to develop a deeper understanding of the
  teaching and learning of addition
• to provide suggestions for supporting your
  childs learning of addition at home

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Mental Calculation Strategies
Understanding the operation
Rapid Recall
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At Key Stage 1 addition as

• combining two groups of objects
• counting on
• possible in any order (commutative)
• the inverse of subtraction and vice versa

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Mental calculation

• By the end of Year 3 most children can
• derive and recall all addition and subtraction
  facts for each number to 20, sums and differences
  of multiples of 10 and number pairs that total
  100 

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Mental derivation and recall

• Year 4
• Use knowledge of addition and subtraction
  facts and place value to derive sums and
  differences of pairs of multiples of 10, 100 or
  1000
• Year 5
• Use knowledge of place value and addition and
  subtraction of two-digit numbers to derive sums
  and differences and doubles and halves of
  decimals (e.g. 6.5 2.7, half of 5.6, double
  0.34)

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Expectations for mental addition

• Year 4
• - What is the total of 100, 20 and 70?
• - How much must I add to 4.90 to make 6?
• Year 5
• - Add 3.5 to 4.8
• - What is 3.1 plus 1.2?

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Vocabulary
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Recording addition

• By the end of year 3 most children should
• develop and use written methods to record,
  support or explain addition and subtraction of
  two-digit and three-digit numbers

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How would you do these?

• 23 17
• 49 53
• 102 295

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Think before you leap!

• Do you know it?
• Is there a mental strategy you could use?
• If not, then a written method would help!

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Year 3 recording

• Write the total.
• 256 172
• KS1 2001 level 3

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• Write the total.
• 156 83
• KS1 2004 level 3
• Add together 24, 67 and 45.
• KS1 2001 level 2a

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Extending written addition

• Year 4
• Refine and use efficient written methods to
  add and subtract two-digit and three-digit whole
  numbers and .p
• Year 5
• Use efficient written methods to add and
  subtract whole numbers and decimals with up to
  two places 
• Year 6
• Use efficient written methods to add and
  subtract integers and decimals,
• Moving from Year 6 to Year 7
• Use standard column procedures to add and
  subtract integers and decimals

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Progression in written approaches

• Calculate 1202 45 367.
• KS2 2005 Paper A level 4

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Progression in written approaches

• 5.57 8.45

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How you can help your child

• Emphasise use of known facts to find others
• (remember digits shifting position)
• Think before you leap! What strategy might
• you use?
• Real life situations - Adding totals of prices,
  finding change

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• Thank you for coming along tonight!