# Third class maths

Here is a list of all of the maths skills students learn in third 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!

## Numbers and comparing

- A.1Even or odd
- A.2Even or odd: arithmetic rules
- A.3Skip-counting puzzles
- A.4Number sequences
- A.5Ordinal numbers to 100th
- A.6Write numbers in words
- A.7Roman numerals I, V, X, L, C, D, M
- A.8Comparing numbers
- A.9Which number is greatest/least?
- A.10Put numbers in order
- A.11Comparing - with addition and subtraction
- A.12Multi-step inequalities

## Place values

## Addition

- C.1Add two numbers up to three digits
- C.2Addition input/output tables - up to three digits
- C.3Add two numbers up to three digits - word problems
- C.4Complete the addition sentence - up to three digits
- C.5Balance addition equations - up to three digits
- C.6Add three or more numbers up to three digits each
- C.7Add three or more numbers up to three digits - word problems
- C.8Addition patterns over increasing place values
- C.9Add two numbers with four or more digits
- C.10Addition input/output tables - four or more digits
- C.11Add two numbers with four or more digits - word problems
- C.12Complete the addition sentence - four or more digits
- C.13Balance equations - four or more digits
- C.14Add three or more numbers with four or more digits
- C.15Add three or more numbers with four or more digits - word problems
- C.16Addition: fill in the missing digits

## Subtraction

- 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

## Understand multiplication

- E.1Count equal groups
- E.2Identify multiplication expressions for equal groups
- E.3Write multiplication sentences for equal groups
- E.4Relate addition and multiplication for equal groups
- E.5Identify multiplication expressions for arrays
- E.6Write multiplication sentences for arrays
- E.7Make arrays to model multiplication
- E.8Write multiplication sentences for number lines

## Multiplication skill builders

## Multiplication fluency

- G.1Multiplication tables for 2, 3, 4, 5, 10
- G.2Multiplication facts for 2, 3, 4, 5, 10: true or false?
- G.3Multiplication facts for 2, 3, 4, 5, 10: sorting
- G.4Multiplication tables for 6, 7, 8, 9
- G.5Multiplication facts for 6, 7, 8, 9: true or false?
- G.6Multiplication facts for 6, 7, 8, 9: sorting
- G.7Multiplication tables up to 10
- G.8Multiplication facts up to 10: true or false?
- G.9Multiplication facts up to 10: sorting
- G.10Multiplication sentences up to 10: true or false?
- G.11Multiplication tables up to 12
- G.12Multiplication facts up to 12: find the missing factor
- G.13Squares up to 10 x 10

## Multiplication

- H.1Multiplication sentences
- H.2Multiply numbers ending in zeroes
- H.3Multiplication patterns over increasing place values
- H.4Multiplication input/output tables
- H.5Multiplication word problems
- H.6Multiplication word problems: find the missing factor
- H.7Multiply one-digit numbers by two-digit numbers
- H.8Multiply one-digit numbers by two-digit numbers: word problems
- H.9Multiply one-digit numbers by three-digit numbers
- H.10Multiply one-digit numbers by three-digit numbers: word problems
- H.11Multiply three or more numbers
- H.12Multiply three or more numbers: word problems
- H.13Box multiplication
- H.14Lattice multiplication

## Understand division

## Division skill builders

## Division fluency

- K.1Division facts for 2, 3, 4, 5, 10
- K.2Division facts for 2, 3, 4, 5, 10: true or false?
- K.3Division facts for 2, 3, 4, 5, 10: sorting
- K.4Division facts for 6, 7, 8, 9
- K.5Division facts for 6, 7, 8, 9: true or false?
- K.6Division facts for 6, 7, 8, 9: sorting
- K.7Division facts up to 10
- K.8Division facts up to 10: true or false?
- K.9Division facts up to 10: sorting
- K.10Division facts up to 10: find the missing number
- K.11Division sentences up to 10: true or false?
- K.12Division facts up to 12

## Division

- L.1Complete the division table
- L.2Divide numbers ending in zeroes
- L.3Division patterns over increasing place values
- L.4Division input/output tables
- L.5Division word problems
- L.6Divide larger numbers
- L.7Divide larger numbers: word problems
- L.8Divisibility rules for 2, 5 and 10
- L.9Interpret remainders

## Equations and variables

## Data and graphs

## Money

## Time

- P.1Match clocks and times
- P.2Match analogue and digital clocks
- P.3Read clocks and write times
- P.4A.M. or P.M.
- P.5Write times
- P.6Elapsed time I
- P.7Elapsed time II
- P.8Read a calendar
- P.9Relate time units
- P.10Time patterns
- P.11Convert between hours and fractions of hours
- P.12Reading schedules
- P.13Timelines

## Measurement

- Q.1Read a thermometer
- Q.2Reasonable temperature
- Q.3Which metric unit of length is appropriate?
- Q.4Compare and convert metric units of length
- Q.5Which metric unit of mass is appropriate?
- Q.6Compare and convert metric units of mass
- Q.7Which metric unit of volume is appropriate?
- Q.8Compare and convert metric units of volume
- Q.9Conversion tables
- Q.10Metric mixed units

## Geometry

- R.1Identify 2-dimensional and 3-dimensional shapes
- R.2Count and compare sides and angles
- R.3Count and compare edges, vertices and faces
- R.4Is it a polygon?
- R.5Angles greater than, less than or equal to a right angle
- R.6Reflection, rotation and translation
- R.7Similar and congruent
- R.8Symmetry
- R.9Find the area of figures made of unit squares
- R.10Create figures with a given area
- R.11Find the area of rectangles and squares
- R.12Find the missing side length of a rectangle

## Properties

- S.1Addition, subtraction, multiplication and division terms
- S.2Understanding parentheses
- S.3Properties of addition
- S.4Solve using properties of addition
- S.5Properties of multiplication
- S.6Solve using properties of multiplication
- S.7Distributive property: find the missing factor
- S.8Multiply using the distributive property
- S.9Relate addition and multiplication
- S.10Relate multiplication and division

## Mixed operations

- T.1Addition, subtraction, multiplication and division facts
- T.2Complete the addition, subtraction, multiplication or division sentence
- T.3Multiplication and division facts up to 5: true or false?
- T.4Multiplication and division facts up to 10: true or false?
- T.5Multiplication and division facts up to 12: true or false?
- T.6Multiplication and division sentences up to 12: true or false?
- T.7Add, subtract, multiply and divide
- T.8Addition, subtraction, multiplication and division word problems
- T.9Interpret data in tables
- T.10Multi-step word problems
- T.11Missing operators

## Estimation and rounding

## Logical reasoning

## Patterns

## Fractions and mixed numbers

- X.1Understand fractions: fraction bars
- X.2Understand fractions: area models
- X.3Fraction review
- X.4Show fractions: fraction bars
- X.5Show fractions: area models
- X.6Fractions of a group: word problems
- X.7Fractions of number lines: unit fractions
- X.8Fractions of number lines
- X.9Identify fractions on number lines
- X.10Graph unit fractions on number lines
- X.11Graph fractions on number lines
- X.12Graph and compare fractions with like numerators on number lines
- X.13Graph and compare fractions with like denominators on number lines
- X.14Graph and compare fractions on number lines
- X.15Compare fractions
- X.16Find equivalent fractions
- X.17Select equivalent fractions
- X.18Reduce fractions to lowest terms
- X.19Put fractions in order
- X.20Fractions of a number - unit fractions
- X.21Fractions of a number
- X.22Fractions of a number - unit fractions: word problems
- X.23Fractions of a number - word problems

## Decimals

- Y.1What decimal number is illustrated?
- Y.2Convert between decimals and fractions
- Y.3Understanding decimals expressed in words
- Y.4Number sequences involving decimals
- Y.5Inequalities with decimals
- Y.6Put decimal numbers in order
- Y.7Add and subtract decimals
- Y.8Add and subtract decimals - word problems
- Y.9Add three or more decimal numbers