# Primary 1 maths

Here is a list of all of the maths skills students learn in primary 1! 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!

## Counting and number patterns

- A.1 Counting review - up to 10
- A.2 Count to fill a ten frame
- A.3 Counting review - up to 20
- A.4 Counting tens and ones - up to 30
- A.5 Count on ten frames - up to 40
- A.6 Counting - up to 100
- A.7 Counting tens and ones - up to 99
- A.8 Counting by twos, fives and tens with pictures
- A.9 Counting by twos, fives and tens
- A.10 Counting forward and backward
- A.11 Number lines - up to 100
- A.12 Counting on the hundred chart
- A.13 Hundred chart
- A.14 Even or odd
- A.15 Identify numbers as even or odd
- A.16 Even or odd numbers on number lines
- A.17 Which even or odd number comes before or after?
- A.18 Skip-counting patterns - with tables
- A.19 Sequences - count up and down by 1, 2, 3, 5 and 10
- A.20 Sequences - count up and down by 100
- A.21 Order
- A.22 Writing numbers in words

## Place values

## Understand addition

## Addition skill builders

## Addition

- E.1 Addition facts - sums up to 10
- E.2 Ways to make a number - addition sentences
- E.3 Make a number using addition - sums up to 10
- E.4 Complete the addition sentence - sums up to 10
- E.5 Addition word problems - sums up to 10
- E.6 Addition sentences for word problems - sums up to 10
- E.7 Addition facts - sums up to 18
- E.8 Addition sentences using number lines - sums up to 18
- E.9 Addition word problems - sums up to 18
- E.10 Addition sentences for word problems - sums up to 18
- E.11 Addition facts - sums up to 20
- E.12 Make a number using addition - sums up to 20
- E.13 Addition sentences for word problems - sums up to 20
- E.14 Related addition facts
- E.15 Addition sentences: true or false?
- E.16 Add a one-digit number to a two-digit number - without regrouping
- E.17 Add a one-digit number to a two-digit number - with regrouping
- E.18 Add two two-digit numbers - without regrouping
- E.19 Add two two-digit numbers - with regrouping
- E.20 Addition word problems - up to two digits

## Addition strategies

- F.1 Add doubles
- F.2 Add using doubles plus one
- F.3 Add using doubles minus one
- F.4 Add three numbers - use doubles
- F.5 Complete the addition sentence - make ten
- F.6 Add three numbers - make ten
- F.7 Add two multiples of ten
- F.8 Add a multiple of ten
- F.9 Add three numbers
- F.10 Add three numbers - word problems

## Understand subtraction

## Subtraction skill builders

## Subtraction

- I.1 Subtraction facts - numbers up to 10
- I.2 Ways to make a number - subtraction sentences
- I.3 Ways to subtract from a number - subtraction sentences
- I.4 Make a number using subtraction - numbers up to 10
- I.5 Complete the subtraction sentence
- I.6 Subtraction word problems - numbers up to 10
- I.7 Subtraction sentences for word problems - numbers up to 10
- I.8 Subtraction facts - numbers up to 18
- I.9 Subtraction sentences using number lines - numbers up to 18
- I.10 Subtraction word problems - numbers up to 18
- I.11 Subtraction sentences for word problems - numbers up to 18
- I.12 Make a number using subtraction - numbers up to 20
- I.13 Related subtraction facts
- I.14 Subtraction sentences: true or false?
- I.15 Subtract a one-digit number from a two-digit number - without regrouping
- I.16 Subtract a one-digit number from a two-digit number - with regrouping
- I.17 Subtract two two-digit numbers - without regrouping
- I.18 Subtract two two-digit numbers - with regrouping
- I.19 Subtraction word problems - up to two digits

## Subtraction strategies

## Comparing

## Estimation

## Spatial sense

## Data and graphs

## Measurement

## Money

## Patterns

## Probability and statistics

## Sorting, ordering and classifying

## Time

- U.1 Match analogue clocks and times
- U.2 Match digital clocks and times
- U.3 Match analogue and digital clocks
- U.4 Read clocks and write times
- U.5 A.M. or P.M.
- U.6 Times of everyday events
- U.7 Compare clocks
- U.8 Time and clocks: word problems
- U.9 Elapsed time I
- U.10 Elapsed time II
- U.11 Seasons of the year
- U.12 Days of the week
- U.13 Months of the year
- U.14 Read a calendar

## Mixed operations

- V.1 Addition and subtraction - ways to make a number
- V.2 Which sign makes the number sentence true?
- V.3 Fact families
- V.4 Addition and subtraction facts - numbers up to 10
- V.5 Addition and subtraction facts - numbers up to 18
- V.6 Addition and subtraction word problems
- V.7 Ten more or less
- V.8 Add and subtract tens
- V.9 Addition and subtraction terms