# Third class

Here is a list of all of the 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.1Write numbers in words
- A.2Ordinal numbers to 100th
- A.3Roman numerals I, V, X, L, C, D, M
- A.4Even and odd I
- A.5Even and odd II
- A.6Skip-counting puzzles
- A.7Number sequences
- A.8Put numbers in order
- A.9Which number is greatest/least?
- A.10Comparing numbers
- 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

## Multiplication

- E.1Multiplication sentences
- E.2Multiplication - facts to 12
- E.3Multiplication word problems - facts to 12
- E.4Missing factors - facts to 12
- E.5Missing factors - facts to 12 - word problems
- E.6Squares up to 20
- E.7Multiplication patterns over increasing place values
- E.8Multiply numbers ending in zeroes
- E.9Multiply a one-digit number by a larger number
- E.10Multiply a one-digit number by a larger number - word problems
- E.11Multiply three or more numbers
- E.12Multiply three or more numbers - word problems
- E.13Multiplication input/output tables
- E.14Box multiplication
- E.15Lattice multiplication

## Multiplication - skill builders

## Division

- G.1Division facts to 5
- G.2Division facts to 10
- G.3Division word problems - facts to 10
- G.4Complete the division sentence - facts to 10
- G.5Division facts to 12
- G.6Division patterns over increasing place values
- G.7Divide numbers ending in zeroes
- G.8Divide larger numbers
- G.9Divide larger numbers - word problems
- G.10Complete the division table
- G.11Interpret remainders
- G.12Divisibility rules for 2, 5 and 10
- G.13Division input/output tables

## Division - skill builders

## Equations and variables

## Data and graphs

## Money

## Time

## Measurement

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

## Geometry

## Properties

- O.1Addition, subtraction, multiplication and division terms
- O.2Understanding parentheses
- O.3Properties of addition
- O.4Solve using properties of addition
- O.5Properties of multiplication
- O.6Solve using properties of multiplication
- O.7Relate addition and multiplication
- O.8Relate multiplication and division

## Mixed operations

- P.1Addition, subtraction, multiplication and division facts
- P.2Complete the addition, subtraction, multiplication or division sentence
- P.3Add, subtract, multiply and divide
- P.4Addition, subtraction, multiplication and division word problems
- P.5Interpret data in tables
- P.6Multi-step word problems
- P.7Missing operators

## Estimation and rounding

## Logical reasoning

## Fractions and mixed numbers

- S.1Fraction review
- S.2Fraction review - word problems
- S.3Fractions on number lines
- S.4Compare fractions
- S.5Equivalent fractions: type the missing numerator or denominator
- S.6Equivalent fractions: choose the equivalent fraction
- S.7Reducing fractions to lowest terms
- S.8Put fractions in order
- S.9Fractions of a number
- S.10Fractions of a number - word problems

## Decimals

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