# Fourth class

Here is a list of all of the skills students learn in fourth class! These skills are organised into categories, and you can move your mouse over any skill name to view a sample question. To start practising, just click on any link. IXL will track your score, and the questions will automatically increase in difficulty as you improve!

## Number sense

## Addition

- B.1Add numbers up to five digits
- B.2Add numbers up to five digits: word problems
- B.3Addition: fill in the missing digits
- B.4Properties of addition
- B.5Add three or more numbers up to five digits each
- B.6Addition patterns over increasing place values
- B.7Choose numbers with a particular sum
- B.8Estimate sums
- B.9Estimate sums: word problems

## Subtraction

## Multiplication

- D.1Multiplication facts to 10
- D.2Choose the multiples of a given number up to 12
- D.3Multiply 1-digit numbers by 2-digit numbers
- D.4Multiply 1-digit numbers by 3-digit or 4-digit numbers
- D.5Multiply 1-digit numbers by larger numbers
- D.6Multiplication patterns over increasing place values
- D.7Properties of multiplication
- D.8Estimate products - multiply by 1-digit numbers
- D.9Estimate products - multiply by larger numbers
- D.10Estimate products: word problems
- D.11Box multiplication
- D.12Lattice multiplication
- D.13Multiply a two-digit number by a two-digit number: complete the missing steps
- D.14Multiply a two-digit number by a two-digit number
- D.15Multiply a two-digit number by a two-digit number: word problems
- D.16Choose numbers with a particular product
- D.17Multiply numbers ending in zeroes
- D.18Multiply numbers ending in zeroes: word problems
- D.19Multiply three numbers
- D.20Inequalities with multiplication

## Division

- E.1Division facts to 10
- E.2Division facts to 10: word problems
- E.3Properties of division
- E.4Divide larger numbers
- E.5Divide larger numbers: word problems
- E.6Complete the division table
- E.7Interpret remainders
- E.8Choose numbers with a particular quotient
- E.9Divide numbers ending in zeroes
- E.10Estimate quotients
- E.11Estimate quotients: word problems
- E.12Divisibility rules
- E.13Division patterns over increasing place values
- E.14Divide numbers ending in zeroes, multi-digit divisors
- E.15Divide numbers ending in zeroes, multi-digit divisors: word problems
- E.16Divide two-digit numbers by multiples of 10
- E.17Divide by two-digit numbers
- E.18Divide by two-digit numbers: word problems
- E.19Inequalities with division

## Mixed operations

- F.1Add, subtract, multiply and divide
- F.2Addition, subtraction, multiplication and division word problems
- F.3Estimate sums, differences, products and quotients: word problems
- F.4Multi-step word problems
- F.5Word problems with extra or missing information
- F.6Solve word problems using guess-and-check
- F.7Choose numbers with a particular sum, difference, product or quotient
- F.8Mentally add and subtract numbers ending in zeroes
- F.9Inequalities involving addition, subtraction, multiplication and division

## Algebra

## Functions

## Logical reasoning

## Data and graphs

## Patterns and sequences

## Geometry

- L.1Identify planar and solid figures
- L.2Types of triangles
- L.3Open and closed shapes and qualities of polygons
- L.4Which 2-dimensional shape is being described?
- L.5Which 3-dimensional figure is being described?
- L.6Number of sides in polygons
- L.7Count and compare sides, edges, faces and vertices
- L.8Similar and congruent
- L.9Nets of 3-dimensional figures
- L.10Acute, right, obtuse and straight angles
- L.11Perimeter
- L.12Area of figures made of unit squares
- L.13Use perimeter to determine cost
- L.14Lines of symmetry
- L.15Rotational symmetry
- L.16Parallel, perpendicular, intersecting

## Money

## Measurement

## Fractions and mixed numbers

- P.1Find equivalent fractions using area models
- P.2Graph equivalent fractions on number lines
- P.3Equivalent fractions
- P.4Patterns of equivalent fractions
- P.5Reduce fractions to lowest terms
- P.6Fractions review
- P.7Graph and compare fractions on number lines
- P.8Compare fractions
- P.9Order fractions with like numerators or denominators
- P.10Order fractions
- P.11Find smaller or larger fractions
- P.12Fractions of a number
- P.13Fractions of a number: word problems
- P.14Mixed numbers
- P.15Convert between improper fractions and mixed numbers

## Multiply fractions

- Q.1Multiply unit fractions by whole numbers using number lines
- Q.2Multiply unit fractions by whole numbers using models
- Q.3Multiples of fractions
- Q.4Multiply unit fractions and whole numbers: sorting
- Q.5Multiply unit fractions by whole numbers
- Q.6Multiply unit fractions by whole numbers: word problems
- Q.7Multiply fractions by whole numbers using number lines
- Q.8Multiply fractions by whole numbers using models
- Q.9Multiply fractions and whole numbers: sorting
- Q.10Multiply fractions by whole numbers
- Q.11Multiply fractions by whole numbers: word problems

## Decimals

- R.1What decimal number is illustrated?
- R.2Model decimals and fractions
- R.3Understanding decimals expressed in words
- R.4Place values in decimal numbers
- R.5Equivalent decimals
- R.6Graph decimals on number lines
- R.7Decimal number lines
- R.8Graph fractions as decimals on number lines
- R.9Convert fractions and mixed numbers to decimals
- R.10Convert decimals to fractions and mixed numbers
- R.11Convert decimals between standard and expanded form using fractions
- R.12Round decimals
- R.13Compare decimals on number lines
- R.14Compare decimal numbers
- R.15Put decimal numbers in order
- R.16Compare decimals and fractions on number lines
- R.17Compare decimals and fractions
- R.18Put tricky decimals in order
- R.19Number sequences involving decimals
- R.20Solve decimal problems using diagrams

## Add and subtract decimals

- S.1Add decimal numbers
- S.2Subtract decimal numbers
- S.3Add and subtract decimals: word problems
- S.4Choose decimals with a particular sum or difference
- S.5Add three or more decimals
- S.6Add three or more decimals: word problems
- S.7Complete the addition or subtraction sentence
- S.8Inequalities with addition and subtraction
- S.9Estimate sums and differences of decimals

## Multiply and divide decimals

- T.1Estimate products of decimals
- T.2Multiply a decimal by a power of ten
- T.3Multiply a decimal by a one-digit whole number
- T.4Multiply decimals and whole numbers: word problems
- T.5Multiply money amounts: word problems
- T.6Divide by powers of ten
- T.7Decimal division patterns over increasing place values
- T.8Division with decimal quotients
- T.9Division with decimal quotients and rounding
- T.10Division with decimal quotients: word problems