# Class IV maths

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

## Number sense

## Addition

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

## Subtraction

- C.1 Subtract numbers up to five digits
- C.2 Subtract numbers up to five digits: word problems
- C.3 Subtraction: fill in the missing digits
- C.4 Subtraction patterns over increasing place values
- C.5 Choose numbers with a particular difference
- C.6 Estimate differences
- C.7 Estimate differences: word problems

## Multiplication

- D.1 Multiplication facts to 10
- D.2 Multiplication facts up to 10: find the missing factor
- D.3 Multiply 1-digit numbers by 2-digit numbers
- D.4 Multiply 1-digit numbers by 3-digit or 4-digit numbers
- D.5 Multiply 1-digit numbers by larger numbers
- D.6 Multiplication patterns over increasing place values
- D.7 Properties of multiplication
- D.8 Estimate products - multiply by 1-digit numbers
- D.9 Estimate products - multiply by larger numbers
- D.10 Estimate products: word problems
- D.11 Box multiplication
- D.12 Lattice multiplication
- D.13 Multiply a two-digit number by a two-digit number: complete the missing steps
- D.14 Multiply a two-digit number by a two-digit number
- D.15 Multiply a two-digit number by a two-digit number: word problems
- D.16 Choose numbers with a particular product
- D.17 Multiply a two-digit number by a three-digit number: complete the missing steps
- D.18 Multiply a two-digit number by a three-digit number
- D.19 Multiply a two-digit number by a three-digit number: word problems
- D.20 Multiply numbers ending in zeroes
- D.21 Multiply numbers ending in zeroes: word problems
- D.22 Multiply three numbers

## Division

- E.1 Division facts to 10
- E.2 Division facts to 10: word problems
- E.3 Properties of division
- E.4 Divide larger numbers
- E.5 Divide larger numbers: word problems
- E.6 Complete the division table
- E.7 Interpret remainders
- E.8 Choose numbers with a particular quotient
- E.9 Divide numbers ending in zeroes
- E.10 Estimate quotients: word problems
- E.11 Divisibility rules
- E.12 Divisibility rules: word problems
- E.13 Division patterns over increasing place values

## Mixed operations

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

## Logical reasoning

## Data and graphs

## Patterns and sequences

## Units of measurement

## Time

- L.1 Convert time units
- L.2 Add and subtract mixed time units
- L.3 A.M. or P.M.
- L.4 Elapsed time
- L.5 Find start and end times: multi-step word problems
- L.6 Convert between 12-hour and 24-hour time
- L.7 Transportation schedules - 12-hour time
- L.8 Transportation schedules - 24-hour time
- L.9 Time patterns

## Geometry

- M.1 Which two-dimensional figure is being described?
- M.2 Identify three-dimensional figures
- M.3 Count vertices, edges and faces
- M.4 Identify faces of three-dimensional figures
- M.5 Which three-dimensional figure is being described?
- M.6 Nets of three-dimensional figures
- M.7 Number of sides in polygons
- M.8 Identify lines of symmetry
- M.9 Rotational symmetry

## Geometric measurement

- N.1 Perimeter of rectangles
- N.2 Perimeter of polygons
- N.3 Perimeter of rectilinear shapes
- N.4 Perimeter: find the missing side length
- N.5 Use perimeter to determine cost
- N.6 Find the area of figures made of unit squares
- N.7 Select figures with a given area
- N.8 Select two figures with the same area
- N.9 Create figures with a given area
- N.10 Find the area or missing side length of a rectangle
- N.11 Area and perimeter: word problems