# Subtraction

Here is a list of all of the skills that cover subtraction! These skills are organized by grade, and you can move your mouse over any skill name to view a sample question. To start practicing, just click on any link. IXL will track your score, and the questions will automatically increase in difficulty as you improve!

## Kindergarten skills

- J.1Subtract with pictures - numbers up to 5
- J.2Subtraction - numbers up to 5
- J.3Subtraction sentences - numbers up to 5
- J.4Subtraction word problems - numbers up to 5
- J.5Subtract with pictures - numbers up to 10
- J.6Subtraction - numbers up to 9
- J.7Subtraction sentences - numbers up to 10
- J.8Subtraction word problems - numbers up to 9
- T.1Sum and difference

## First-grade skills

- D.1Subtraction with pictures - numbers up to 10
- D.2Subtraction sentences - numbers up to 10
- D.3Subtraction sentences within 10 using number lines
- D.4Subtraction word problems - one-digit numbers
- D.5Word problems - write the subtraction sentence
- D.6Ways to make a number using subtraction
- D.7Ways to make a number - subtraction sentences
- D.8Ways to subtract from a number - subtraction sentences
- D.9Subtracting zero and all
- D.10Subtracting doubles
- D.11Subtraction facts - numbers up to 10
- D.12Subtraction sentences within 18 using number lines
- D.13Subtraction facts - numbers up to 18
- D.14Subtraction word problems - numbers up to 18
- D.15Complete the subtraction sentence
- D.16Related subtraction facts
- D.17Subtraction sentences: true or false?
- D.18Subtract tens I
- D.19Subtract tens II
- D.20Subtract one-digit numbers from two-digit numbers
- E.1Subtracting 0
- E.2Subtracting 1
- E.3Subtracting 2
- E.4Subtracting 3
- E.5Subtracting 4
- E.6Subtracting 5
- E.7Subtracting 6
- E.8Subtracting 7
- E.9Subtracting 8
- E.10Subtracting 9
- F.1Addition and subtraction - ways to make a number
- F.2Which sign makes the number sentence true?
- F.3Fact families
- F.4Addition and subtraction facts - numbers up to 10
- F.5Addition and subtraction facts - numbers up to 18
- F.6Addition and subtraction word problems
- F.7Addition and subtraction sentences: true or false?
- F.8Ten more or less
- F.9Add and subtract tens
- F.10Addition and subtraction terms

## Second-grade skills

- F.1Review - subtract one-digit numbers - up to 10
- F.2Review - ways to subtract - up to 10
- F.3Review - writing subtraction sentences - up to 10
- F.4Subtract a one-digit number from a two-digit number up to 18
- F.5Subtraction with pictures
- F.6Write subtraction sentences to describe pictures - up to 18
- F.7Subtraction input/output tables - up to 18
- F.8Subtract zero/all
- F.9Subtraction word problems - up to 18
- F.10Complete the subtraction sentence - up to 18
- F.11Write the subtraction sentence - up to 18
- F.12Balance subtraction equations - up to 18
- F.13Subtraction equations: true or false?
- H.1Subtract multiples of 10
- H.2Subtract a one-digit number from a two-digit number - without regrouping
- H.3Subtract a one-digit number from a two-digit number - with regrouping
- H.4Subtract two two-digit numbers - without regrouping
- H.5Subtract two two-digit numbers - with regrouping
- H.6Write subtraction sentences to describe pictures - up to two digits
- H.7Subtraction input/output tables - up to two digits
- H.8Ways to make a number using subtraction
- H.9Subtraction word problems - up to two digits
- H.10Complete the subtraction sentence - up to two digits
- H.11Write the subtraction sentence - up to two digits
- H.12Balance subtraction equations - up to two digits
- J.1Subtract multiples of 100
- J.2Subtract three-digit numbers
- J.3Subtraction input/output tables - up to three digits
- J.4Subtraction word problems - up to three digits
- J.5Complete the subtraction sentence - up to three digits
- J.6Write the subtraction sentence - up to three digits
- J.7Balance subtraction equations - up to three digits
- K.2Related subtraction facts
- K.3Fact families
- K.5Solve inequalities using addition and subtraction shortcuts
- L.1Add and subtract numbers up to 20
- L.2Addition and subtraction - ways to make a number - up to 20
- L.3Addition and subtraction word problems - up to 20
- L.4Addition and subtraction - balance equations - up to 20
- L.5Addition and subtraction equations up to 20: true or false?
- L.6Input/output tables - write the rule - up to 20
- L.7Add and subtract numbers up to 100
- L.8Addition and subtraction - ways to make a number - up to 100
- L.9Addition and subtraction word problems - up to 100
- L.10Addition and subtraction - balance equations - up to 100
- L.11Input/output tables - write the rule - up to 100
- L.12Which sign (+ or -) makes the number sentence true?
- L.13Write addition and subtraction sentences
- L.14Inequalities with addition and subtraction - up to 100
- P.11Subtract money - up to $1
- P.12Subtract money - up to $1: word problems
- P.13Add and subtract money - up to $1
- P.14Add and subtract money - up to $1: word problems

## Third-grade skills

- A.12Comparing - with addition and subtraction
- A.13Multi-step inequalities
- D.1Subtract numbers up to three digits
- D.2Subtraction input/output tables - up to three digits
- D.3Subtract numbers up to three digits - word problems
- D.4Complete the subtraction sentence - up to three digits
- D.5Balance subtraction equations - up to three digits
- D.6Subtraction patterns over increasing place values
- D.7Subtract numbers with four or more digits
- D.8Subtraction input/output tables - four or more digits
- D.9Subtraction: fill in the missing digits
- O.7Add and subtract money amounts
- W.6Subtract fractions with like denominators using number lines
- X.7Add and subtract decimals
- X.8Add and subtract decimals - word problems

## Fourth-grade skills

- C.1Subtract numbers up to millions
- C.2Subtract numbers up to millions: word problems
- C.3Subtraction: fill in the missing digits
- C.4Subtraction patterns over increasing place values
- C.5Choose numbers with a particular difference
- C.6Estimate differences
- C.7Estimate differences: word problems
- F.8Mentally add and subtract numbers ending in zeroes
- M.4Add and subtract money amounts
- M.7Price lists with addition and subtraction
- R.5Subtract fractions with like denominators using number lines
- R.7Add and subtract fractions with like denominators
- R.8Compare sums and differences of fractions with like denominators
- R.9Add and subtract fractions with like denominators: word problems
- R.12Add and subtract mixed numbers with like denominators
- S.3Subtract fractions with unlike denominators using models
- S.4Subtract fractions with unlike denominators
- S.6Add and subtract fractions with denominators of 10, 100, and 1000
- S.7Add and subtract fractions with unlike denominators: word problems
- S.13Find the missing numerator or denominator in addition and subtraction sentences
- S.14Add and subtract mixed numbers with unlike denominators
- S.15Add and subtract mixed numbers with like and unlike denominators: word problems
- S.16Compare sums and differences of fractions
- V.2Subtract decimal numbers
- V.3Add and subtract decimals: word problems
- V.4Choose decimals with a particular sum or difference
- V.7Complete the addition or subtraction sentence
- V.8Inequalities with addition and subtraction
- V.9Estimate sums and differences of decimals

## Fifth-grade skills

- D.1Add and subtract whole numbers up to billions
- D.2Add and subtract whole numbers: word problems
- D.3Add and subtract money amounts
- D.4Add and subtract money: word problems
- D.5Complete addition and subtraction sentences
- D.6Fill in the missing digits
- D.7Choose numbers with a particular sum or difference
- D.9Inequalities with addition and subtraction
- D.10Estimate sums and differences of whole numbers
- D.11Estimate sums and differences: word problems
- E.2Subtract decimal numbers
- E.3Add and subtract decimal numbers
- E.4Add and subtract decimals: word problems
- E.5Choose decimals with a particular sum or difference
- E.6Complete the addition or subtraction sentence
- E.7Inequalities with decimal addition and subtraction
- E.8Estimate sums and differences of decimals
- M.2Add and subtract fractions with like denominators using number lines
- M.3Add and subtract fractions with like denominators
- M.4Add and subtract fractions with like denominators: word problems
- M.5Add and subtract mixed numbers with like denominators
- M.9Subtract fractions with unlike denominators using models
- M.10Subtract fractions with unlike denominators
- M.11Add and subtract fractions with unlike denominators: word problems
- M.15Complete addition and subtraction sentences with fractions
- M.16Inequalities with addition and subtraction of fractions
- M.17Estimate sums and differences of mixed numbers
- M.19Subtract mixed numbers with unlike denominators
- M.20Add and subtract mixed numbers: word problems
- M.22Complete addition and subtraction sentences with mixed numbers
- M.23Inequalities with addition and subtraction of mixed numbers

## Sixth-grade skills

- D.4Add and subtract rational numbers
- F.2Add and subtract money amounts
- F.3Add and subtract money amounts: word problems
- I.1Review - add and subtract whole numbers
- I.2Review - add and subtract whole numbers: word problems
- I.4Integer addition and subtraction rules
- I.7Subtract integers - using counters
- I.8Subtract integers
- I.9Add and subtract integers - input/output tables
- J.1Add and subtract decimal numbers
- J.2Add and subtract decimals: word problems
- J.3Estimate sums and differences of decimals
- J.4Maps with decimal distances
- U.1Add and subtract fractions with like denominators
- U.2Add and subtract fractions with like denominators: word problems
- U.3Add and subtract fractions with unlike denominators
- U.4Add and subtract fractions with unlike denominators: word problems
- U.5Inequalities with addition and subtraction of like and unlike fractions
- U.6Add and subtract mixed numbers
- U.7Add and subtract mixed numbers: word problems
- U.8Estimate sums and differences of mixed numbers
- U.9Maps with fractional distances

## Seventh-grade skills

- C.1Add and subtract decimals
- C.2Add and subtract decimals: word problems
- C.10Maps with decimal distances
- E.1Integer addition and subtraction rules
- E.2Add and subtract integers using counters
- E.3Add and subtract integers
- E.4Complete addition and subtraction sentences with integers
- E.5Add and subtract integers: word problems
- G.1Add and subtract fractions
- G.2Add and subtract fractions: word problems
- G.3Add and subtract mixed numbers
- G.4Add and subtract mixed numbers: word problems
- G.5Inequalities with addition and subtraction of fractions and mixed numbers
- G.6Estimate sums and differences of mixed numbers
- G.17Maps with fractional distances
- H.6Add and subtract rational numbers
- H.7Apply addition and subtraction rules

## Eighth-grade skills

- C.1Integer addition and subtraction rules
- C.2Add and subtract integers using counters
- C.3Add and subtract integers
- C.4Add and subtract three or more integers
- C.5Add and subtract integers: word problems
- E.2Add and subtract rational numbers
- E.3Add and subtract rational numbers: word problems
- E.4Apply addition and subtraction rules
- E.8Apply addition, subtraction, multiplication, and division rules