# 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 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!

## Numbers and comparing

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

## Place values

- B.1 Place value models up to thousands
- B.2 Place value names up to hundreds
- B.3 Place value names up to thousands
- B.4 Value of a digit
- B.5 Convert to/from a number
- B.6 Convert between place values
- B.7 Convert from expanded form
- B.8 Convert between standard and expanded form
- B.9 Place value word problems

## Addition

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

## Subtraction

- D.1 Subtract numbers up to three digits
- D.2 Subtraction input/output tables - up to three digits
- D.3 Subtract numbers up to three digits - word problems
- D.4 Complete the subtraction sentence - up to three digits
- D.5 Balance subtraction equations - up to three digits
- D.6 Subtraction patterns over increasing place values
- D.7 Subtract numbers with four or more digits
- D.8 Subtraction input/output tables - four or more digits
- D.9 Subtraction: fill in the missing digits

## Understand multiplication

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

## Multiplication skill builders

## Multiplication fluency

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

## Multiplication

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

## Understand division

## Division skill builders

## Division fluency

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

## Division

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

## Equations and variables

## Data and graphs

- N.1 Interpret bar graphs
- N.2 Create bar graphs
- N.3 Interpret line plots
- N.4 Create line plots
- N.5 Interpret pictographs
- N.6 Create pictographs
- N.7 Interpret line graphs
- N.8 Create line graphs
- N.9 Sort shapes into a Venn diagram
- N.10 Count shapes in a Venn diagram
- N.11 Venn diagrams with three circles

## Money

## Time

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

## Measurement

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

## Geometry

- R.1 Identify two-dimensional shapes
- R.2 Count and compare sides and vertices
- R.3 Identify three-dimensional shapes
- R.4 Count vertices, edges and faces
- R.5 Identify faces of three-dimensional shapes
- R.6 Is it a polygon?
- R.7 Angles greater than, less than or equal to a right angle
- R.8 Reflection, rotation and translation
- R.9 Identify congruent shapes
- R.10 Symmetry
- R.11 Perimeter
- R.12 Find the area of figures made of unit squares
- R.13 Select figures with a given area
- R.14 Select two figures with the same area
- R.15 Create figures with a given area
- R.16 Find the area of rectangles and squares
- R.17 Find the missing side length of a rectangle

## Properties

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

## Mixed operations

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

## Estimation and rounding

- U.1 Rounding
- U.2 Round money amounts
- U.3 Rounding puzzles
- U.4 Solve inequalities using estimation
- U.5 Estimate sums
- U.6 Estimate sums: word problems
- U.7 Estimate differences
- U.8 Estimate differences: word problems
- U.9 Estimate products
- U.10 Estimate products: word problems
- U.11 Estimate quotients
- U.12 Estimate quotients: word problems
- U.13 Estimate sums, differences, products and quotients: word problems

## Logical reasoning

## Patterns

## Fractions

- X.1 Understand fractions: fraction bars
- X.2 Understand fractions: area models
- X.3 Fraction review
- X.4 Show fractions: fraction bars
- X.5 Show fractions: area models
- X.6 Unit fractions: modelling word problems
- X.7 Unit fractions: word problems
- X.8 Fractions of a whole: modelling word problems
- X.9 Fractions of a whole: word problems
- X.10 Fractions of a group: word problems
- X.11 Fractions of number lines: unit fractions
- X.12 Fractions of number lines
- X.13 Identify fractions on number lines
- X.14 Graph unit fractions on number lines
- X.15 Graph fractions on number lines
- X.16 Graph and compare fractions with like numerators on number lines
- X.17 Graph and compare fractions with like denominators on number lines
- X.18 Graph and compare fractions on number lines
- X.19 Compare fractions
- X.20 Find equivalent fractions
- X.21 Select equivalent fractions
- X.22 Write fractions in lowest terms
- X.23 Put fractions in order
- X.24 Fractions of a number - unit fractions
- X.25 Fractions of a number
- X.26 Fractions of a number - unit fractions: word problems
- X.27 Fractions of a number - word problems

## Decimals

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