# 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

- K.1Subtract with pictures - numbers up to 5
- K.2Subtraction sentences - numbers up to 5
- K.3Subtract - numbers up to 5
- K.4Complete the subtraction sentence - numbers up to 5
- K.5Subtraction word problems - numbers up to 5
- L.1Subtract with pictures - numbers up to 10
- L.2Subtraction sentences - numbers up to 10
- L.3Subtract - numbers up to 10
- L.4Make a number using subtraction - numbers up to 10
- L.5Complete the subtraction sentence - numbers up to 10
- L.6Write subtraction sentences
- L.7Subtraction word problems - numbers up to 10
- U.1Sum and difference

## First-grade skills

- F.1Subtract with pictures - numbers up to 10
- F.2Subtraction sentences - numbers up to 10
- F.3Subtraction sentences using number lines - numbers up to 10
- F.4Subtract zero and all
- G.1Subtracting 1
- G.2Subtracting 2
- G.3Subtracting 3
- G.4Subtracting 4
- G.5Subtracting 5
- G.6Subtracting 6
- G.7Subtracting 7
- G.8Subtracting 8
- G.9Subtracting 9
- G.10Subtracting 0
- H.1Subtraction facts - numbers up to 10
- H.2Make a number using subtraction - numbers up to 10
- H.3Ways to make a number - subtraction sentences
- H.4Ways to subtract from a number - subtraction sentences
- H.5Complete the subtraction sentence
- H.6Subtraction word problems - numbers up to 10
- H.7Subtraction sentences for word problems - numbers up to 10
- H.8Subtraction sentences using number lines - numbers up to 18
- H.9Subtraction facts - numbers up to 18
- H.10Subtraction word problems - numbers up to 18
- H.11Subtraction sentences for word problems - numbers up to 18
- H.12Make a number using subtraction - numbers up to 20
- H.13Related subtraction facts
- H.14Subtraction sentences: true or false?
- H.15Subtract one-digit numbers from two-digit numbers
- I.1Relate addition and subtraction sentences
- I.2Subtract doubles
- I.3Subtract multiples of 10
- I.4Subtract a multiple of 10
- J.1Addition and subtraction - ways to make a number
- J.2Which sign makes the number sentence true?
- J.3Fact families
- J.4Addition and subtraction facts - numbers up to 10
- J.5Addition and subtraction facts - numbers up to 18
- J.6Addition and subtraction word problems
- J.7Addition and subtraction sentences: true or false?
- J.8Ten more or less
- J.9Add and subtract tens
- J.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 doubles
- F.5Subtraction with pictures
- F.6Write subtraction sentences to describe pictures - up to 18
- F.7Subtract a one-digit number from a two-digit number up to 18
- F.8Subtraction input/output tables - up to 18
- F.9Subtract zero/all
- F.10Subtraction word problems - up to 18
- F.11Complete the subtraction sentence - up to 18
- F.12Write the subtraction sentence - up to 18
- F.13Balance subtraction equations - up to 18
- F.14Subtraction equations: true or false?
- H.1Subtract multiples of 10
- H.2Write subtraction sentences to describe pictures - up to two digits
- H.3Subtract a one-digit number from a two-digit number - without regrouping
- H.4Subtract a one-digit number from a two-digit number - with regrouping
- H.5Subtract two two-digit numbers - without regrouping
- H.6Subtract two two-digit numbers - with regrouping
- 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
- P.7Estimate differences up to 1,000
- P.8Estimate differences
- S.7Add and subtract money amounts
- Z.7Subtract fractions with like denominators using number lines
- AA.6Add and subtract decimals
- AA.7Add 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
- N.18Add and subtract metric mixed units
- Q.5Subtract fractions with like denominators using number lines
- Q.7Add and subtract fractions with like denominators
- Q.8Compare sums and differences of fractions with like denominators
- Q.9Add and subtract fractions with like denominators: word problems
- Q.12Add and subtract mixed numbers with like denominators
- R.3Subtract fractions with unlike denominators using models
- R.4Subtract fractions with unlike denominators
- R.6Add and subtract fractions with denominators of 10, 100, and 1000
- R.7Add and subtract fractions with unlike denominators: word problems
- R.13Find the missing numerator or denominator in addition and subtraction sentences
- R.14Add and subtract mixed numbers with unlike denominators
- R.15Add and subtract mixed numbers with like and unlike denominators: word problems
- R.16Compare sums and differences of fractions
- U.2Subtract decimal numbers
- U.3Add and subtract decimals: word problems
- U.4Choose decimals with a particular sum or difference
- U.7Complete the addition or subtraction sentence
- U.8Inequalities with addition and subtraction
- U.9Estimate sums and differences of decimals

## Fifth-grade skills

- B.1Add and subtract whole numbers up to billions
- B.2Add and subtract whole numbers: word problems
- B.3Add and subtract money amounts
- B.4Add and subtract money: word problems
- B.5Complete addition and subtraction sentences
- B.6Fill in the missing digits
- B.7Choose numbers with a particular sum or difference
- B.9Inequalities with addition and subtraction
- B.10Estimate sums and differences of whole numbers
- B.11Estimate sums and differences: word problems
- H.2Subtract decimal numbers
- H.3Add and subtract decimal numbers
- H.4Add and subtract decimals: word problems
- H.5Choose decimals with a particular sum or difference
- H.6Complete the addition or subtraction sentence
- H.7Inequalities with decimal addition and subtraction
- H.8Estimate sums and differences of decimals
- L.2Add and subtract fractions with like denominators using number lines
- L.3Add and subtract fractions with like denominators
- L.4Add and subtract fractions with like denominators: word problems
- L.5Add and subtract mixed numbers with like denominators
- L.9Subtract fractions with unlike denominators using models
- L.10Subtract fractions with unlike denominators
- L.11Add and subtract fractions with unlike denominators: word problems
- L.15Complete addition and subtraction sentences with fractions
- L.16Inequalities with addition and subtraction of fractions
- L.17Estimate sums and differences of mixed numbers
- L.19Subtract mixed numbers with unlike denominators
- L.20Add and subtract mixed numbers: word problems
- L.22Complete addition and subtraction sentences with mixed numbers
- L.23Inequalities with addition and subtraction of mixed numbers
- Z.18Add and subtract metric mixed units

## Sixth-grade skills

- A.4Add and subtract whole numbers
- A.5Add and subtract whole numbers: word problems
- G.1Add and subtract decimal numbers
- G.2Add and subtract decimals: word problems
- G.3Estimate sums and differences of decimals
- G.4Maps with decimal distances
- J.1Add and subtract fractions with like denominators
- J.2Add and subtract fractions with like denominators: word problems
- J.3Add and subtract fractions with unlike denominators
- J.4Add and subtract fractions with unlike denominators: word problems
- J.5Inequalities with addition and subtraction of like and unlike fractions
- J.6Add and subtract mixed numbers
- J.7Add and subtract mixed numbers: word problems
- J.8Estimate sums and differences of mixed numbers
- J.9Maps with fractional distances
- N.3Subtract integers using counters
- N.4Subtract integers
- N.5Add and subtract integers: find the sign
- N.6Add and subtract integers: input/output tables
- P.4Add and subtract rational numbers
- U.2Add and subtract money amounts
- U.3Add and subtract money amounts: word problems

## Seventh-grade skills

- C.1Integer addition and subtraction rules
- C.2Add and subtract integers using counters
- C.3Add and subtract integers
- C.4Complete addition and subtraction equations with integers
- C.5Add and subtract integers: word problems
- E.1Add and subtract decimals
- E.2Add and subtract decimals: word problems
- E.10Maps with decimal distances
- 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