Addition

Here is a list of all of the skills that cover addition! These skills are organised by class, and you can move your mouse over any skill name to preview the skill. To start practising, just click on any link. IXL will track your score, and the questions will automatically increase in difficulty as you improve!

Here is a list of all of the skills that cover addition! To start practising, just click on any link.

Upper kindergarten skills

  1. H.1
    Add with pictures - sums up to 5
  2. H.2
    Addition sentences - sums up to 5
  3. H.3
    Make a number using addition - sums up to 5
  4. H.4
    Add two numbers - sums up to 5
  5. H.5
    Complete the addition sentence - sums up to 5
  6. H.6
    Addition word problems - sums up to 5
  7. I.1
    Add with pictures - sums up to 10
  8. I.2
    Addition sentences - sums up to 10
  9. I.3
    Make a number using addition - sums up to 10
  10. I.4
    Add two numbers - sums up to 10
  11. I.5
    Complete the addition sentence - sums up to 10
  12. I.6
    Complete the addition sentence - make 10
  13. I.7
    Write addition sentences
  14. I.8
    Addition word problems - sums up to 10
  15. S.1
    Sum and difference

Class I skills

  1. C.1
    Add with pictures - sums up to 10
  2. C.2
    Addition sentences - sums up to 10
  3. C.3
    Addition sentences using number lines - sums up to 10
  4. C.4
    Adding zero
  5. D.1
    Adding 1
  6. D.2
    Adding 2
  7. D.3
    Adding 3
  8. D.4
    Adding 4
  9. D.5
    Adding 5
  10. D.6
    Adding 6
  11. D.7
    Adding 7
  12. D.8
    Adding 8
  13. D.9
    Adding 9
  14. D.10
    Adding 0
  15. E.1
    Addition facts - sums up to 10
  16. E.2
    Ways to make a number - addition sentences
  17. E.3
    Make a number using addition - sums up to 10
  18. E.4
    Complete the addition sentence - sums up to 10
  19. E.5
    Addition word problems - sums up to 10
  20. E.6
    Addition sentences for word problems - sums up to 10
  21. E.7
    Addition facts - sums up to 18
  22. E.8
    Addition sentences using number lines - sums up to 18
  23. E.9
    Addition word problems - sums up to 18
  24. E.10
    Addition sentences for word problems - sums up to 18
  25. E.11
    Addition facts - sums up to 20
  26. E.12
    Make a number using addition - sums up to 20
  27. E.13
    Addition sentences for word problems - sums up to 20
  28. E.14
    Related addition facts
  29. E.15
    Addition sentences: true or false?
  30. E.16
    Add a one-digit number to a two-digit number - without regrouping
  31. E.17
    Add a one-digit number to a two-digit number - with regrouping
  32. F.1
    Add doubles
  33. F.2
    Add using doubles plus one
  34. F.3
    Add using doubles minus one
  35. F.4
    Add three numbers - use doubles
  36. F.5
    Complete the addition sentence - make ten
  37. F.6
    Add three numbers - make ten
  38. F.7
    Add two multiples of ten
  39. F.8
    Add a multiple of ten
  40. F.9
    Add three numbers
  41. F.10
    Add three numbers - word problems
  42. J.1
    Relate addition and subtraction sentences
  43. W.1
    Addition and subtraction - ways to make a number
  44. W.2
    Which sign makes the number sentence true?
  45. W.3
    Fact families
  46. W.4
    Addition and subtraction facts - numbers up to 10
  47. W.5
    Addition and subtraction facts - numbers up to 18
  48. W.6
    Addition and subtraction word problems
  49. W.7
    Addition and subtraction terms

Class II skills

  1. E.1
    Review - add one-digit numbers - sums to 10
  2. E.2
    Review - ways to make a number - sums to 10
  3. E.3
    Review - writing addition sentences - sums to 10
  4. E.4
    Add doubles
  5. E.5
    Add one-digit numbers
  6. E.6
    Addition with pictures - sums to 20
  7. E.7
    Write addition sentences to describe pictures - sums to 20
  8. E.8
    Addition input/output tables - sums to 20
  9. E.9
    Add zero
  10. E.10
    Addition word problems - one digit
  11. E.11
    Complete the addition sentence - one digit
  12. E.12
    Write the addition sentence - one digit
  13. E.13
    Balance addition equations - one digit
  14. E.14
    Add three or more one-digit numbers
  15. E.15
    Add three or more one-digit numbers - word problems
  16. E.16
    Identify repeated addition in arrays - sums to 10
  17. E.17
    Write addition sentences for arrays - sums to 10
  18. E.18
    Identify repeated addition in arrays - sums to 25
  19. E.19
    Write addition sentences for arrays - sums to 25
  20. G.1
    Add multiples of 10
  21. G.2
    Add a two-digit and a one-digit number - without regrouping
  22. G.3
    Add a two-digit and a one-digit number - with regrouping
  23. G.4
    Add two two-digit numbers - without regrouping
  24. G.5
    Add two two-digit numbers - with regrouping
  25. G.6
    Write addition sentences to describe pictures
  26. G.7
    Addition input/output tables - up to two digits
  27. G.8
    Ways to make a number using addition
  28. G.9
    Addition word problems - up to two digits
  29. G.10
    Complete the addition sentence - up to two digits
  30. G.11
    Write the addition sentence - up to two digits
  31. G.12
    Balance addition equations - up to two digits
  32. G.13
    Add three or more numbers up to two digits each
  33. G.14
    Add three or more numbers up to two digits - word problems
  34. I.1
    Related addition facts
  35. I.3
    Fact families
  36. K.3
    Estimate sums
  37. L.8
    Add and subtract money - word problems - up to 10 rupees
  38. S.1
    Add and subtract numbers up to 20
  39. S.2
    Addition and subtraction - ways to make a number - up to 20
  40. S.3
    Addition and subtraction word problems - up to 20
  41. S.4
    Addition and subtraction - balance equations - up to 20
  42. S.5
    Write the addition or subtraction rule for an input/output table - up to 20
  43. S.6
    Add and subtract numbers up to 100
  44. S.7
    Addition and subtraction - ways to make a number - up to 100
  45. S.8
    Addition and subtraction word problems - up to 100
  46. S.9
    Addition and subtraction - balance equations - up to 100
  47. S.10
    Write the addition or subtraction rule for an input/output table - up to 100
  48. S.11
    Which sign (+ or -) makes the number sentence true?
  49. S.12
    Write addition and subtraction sentences

Class III skills

  1. C.1
    Add two numbers up to three digits
  2. C.2
    Addition input/output tables - up to three digits
  3. C.3
    Add two numbers up to three digits - word problems
  4. C.4
    Complete the addition sentence - up to three digits
  5. C.5
    Balance addition equations - up to three digits
  6. C.6
    Add three or more numbers up to three digits each
  7. C.7
    Add three or more numbers up to three digits - word problems
  8. C.8
    Addition patterns over increasing place values
  9. C.9
    Addition: fill in the missing digits
  10. N.7
    Add and subtract money amounts
  11. N.8
    Add money amounts - word problems
  12. R.3
    Properties of addition
  13. R.4
    Solve using properties of addition
  14. R.9
    Relate addition and multiplication
  15. T.4
    Estimate sums
  16. T.5
    Estimate sums: word problems

Class IV skills

  1. B.1
    Add numbers up to five digits
  2. B.2
    Add numbers up to five digits: word problems
  3. B.3
    Addition: fill in the missing digits
  4. B.4
    Properties of addition
  5. B.5
    Add three or more numbers up to five digits each
  6. B.6
    Addition patterns over increasing place values
  7. B.7
    Choose numbers with a particular sum
  8. B.8
    Estimate sums
  9. B.9
    Estimate sums: word problems
  10. F.8
    Mentally add and subtract numbers ending in zeroes
  11. J.3
    Add and subtract money amounts
  12. J.6
    Price lists

Class V skills

  1. B.1
    Add and subtract whole numbers
  2. B.2
    Add and subtract whole numbers: word problems
  3. B.3
    Complete addition and subtraction sentences
  4. B.4
    Fill in the missing digits
  5. B.5
    Choose numbers with a particular sum or difference
  6. B.6
    Properties of addition
  7. B.7
    Estimate sums and differences of whole numbers
  8. B.8
    Estimate sums and differences: word problems
  9. I.1
    Add and subtract money amounts
  10. I.2
    Add and subtract money: word problems

Class VI skills

  1. A.4
    Add and subtract whole numbers
  2. A.5
    Add and subtract whole numbers: word problems
  3. F.1
    Add and subtract decimal numbers
  4. F.2
    Add and subtract decimals: word problems
  5. F.3
    Estimate sums and differences of decimals
  6. F.4
    Maps with decimal distances
  7. H.1
    Add and subtract fractions with like denominators
  8. H.2
    Add and subtract fractions with like denominators: word problems
  9. H.3
    Add and subtract fractions with unlike denominators
  10. H.4
    Add and subtract fractions with unlike denominators: word problems
  11. H.5
    Inequalities with addition and subtraction of like and unlike fractions
  12. H.6
    Add and subtract mixed numbers
  13. H.7
    Add and subtract mixed numbers: word problems
  14. H.8
    Estimate sums and differences of mixed numbers
  15. J.1
    Add integers using counters
  16. J.2
    Add integers
  17. J.5
    Add and subtract integers: find the sign
  18. J.6
    Add and subtract integers: input/output tables
  19. J.7
    Add three or more integers
  20. O.2
    Add and subtract money amounts
  21. O.3
    Add and subtract money amounts: word problems
  22. Q.3
    Properties of addition and multiplication
  23. Q.6
    Properties of addition

Class VII skills

  1. C.1
    Integer addition and subtraction rules
  2. C.2
    Add and subtract integers using counters
  3. C.3
    Add and subtract integers
  4. C.4
    Complete addition and subtraction sentences with integers
  5. C.5
    Add and subtract integers: word problems
  6. E.1
    Add and subtract decimals
  7. E.2
    Add and subtract decimals: word problems
  8. E.10
    Maps with decimal distances
  9. G.1
    Add and subtract fractions
  10. G.2
    Add and subtract fractions: word problems
  11. G.3
    Add and subtract mixed numbers
  12. G.4
    Add and subtract mixed numbers: word problems
  13. G.5
    Inequalities with addition and subtraction of fractions and mixed numbers
  14. G.6
    Estimate sums and differences of mixed numbers
  15. H.5
    Add and subtract rational numbers
  16. H.6
    Apply addition and subtraction rules
  17. P.9
    Properties of addition and multiplication

Class VIII skills

  1. C.1
    Integer addition and subtraction rules
  2. C.2
    Add and subtract integers using counters
  3. C.3
    Add and subtract integers
  4. C.4
    Add and subtract three or more integers
  5. C.5
    Add and subtract integers: word problems
  6. E.2
    Add and subtract rational numbers
  7. E.3
    Add and subtract rational numbers: word problems
  8. E.4
    Apply addition and subtraction rules
  9. E.8
    Apply addition, subtraction, multiplication and division rules
  10. V.11
    Properties of addition and multiplication
  11. W.11
    Solve equations: word problems

Class IX skills

  1. B.4
    Add and subtract rational numbers
  2. DD.5
    Add and subtract rational expressions

Class X skills

  1. B.4
    Add and subtract rational numbers
  2. K.5
    Add and subtract rational expressions

Class XI skills

  1. O.6
    Add and subtract rational expressions