# Maths

## Junior-infants skills

- Identify circles, squares and triangles
- Count dots (up to 3)
- Compare groups (fewer or more)
- Same and different
- Wide and narrow

#### See all 42 junior-infants skills

## First-class skills

- Counting - up to 100
- Ordinal numbers
- Related addition facts
- Addition facts - sums to 20
- Subtracting zero and all

#### See all 179 first-class skills

## Second-class skills

- Fact families
- Place value models - tens and ones
- Time words: o'clock, half, quarter
- Compare clocks
- Symmetry

#### See all 223 second-class skills

## Third-class skills

- Place value names
- Multiply numbers ending in zeroes
- Compare and convert metric units of length
- Identify fractions on number lines
- Mean and mode

#### See all 230 third-class skills

## Fourth-class skills

- Numeric patterns: word problems
- Open and closed shapes and qualities of polygons
- Patterns of equivalent fractions
- Decimal number lines
- Add and subtract decimals: word problems

#### See all 207 fourth-class skills

## Fifth-class skills

- Area and perimeter of irregular figures
- Greatest common factor
- Least common multiple
- Create line graphs
- Stem-and-leaf plots

#### See all 245 fifth-class skills

## Sixth-class skills

- Which is the better coupon?
- Percents - calculate tip, mark-up and more
- Prime factorisation
- Circle graphs with fractions
- Scale drawings

#### See all 245 sixth-class skills

## First-year skills

- Create histograms
- Perimeter, area and volume: changes in scale
- Reflections: graph the image
- Arithmetic sequences
- Evaluate multi-variable expressions

#### See all 252 first-year skills

## Second-year skills

- Estimate population size using proportions
- Dilations: scale factor and classification
- Find slope from two points
- Divide monomials
- Multiply polynomials

#### See all 261 second-year skills

## Third-year skills

- Identify functions: vertical line test
- Match exponential functions and graphs
- Solve a quadratic equation by factorising
- Simplify radical expressions
- Simplify rational expressions

#### See all 237 third-year skills

## Transition year skills

- Factorise quadratics: special cases
- Midpoint formula
- Identify congruent figures
- Similarity rules for triangles
- Geometric probability

#### See all 248 transition-year skills

## Fifth-year skills

- Solve simultaneous equations in three variables using substitution
- Multiply complex numbers
- Product property of logarithms
- Symmetry and periodicity of trigonometric functions
- Construct the inscribed or circumscribed circle of a triangle

#### See all 318 fifth-year skills

## Sixth-year skills

- Match quadratic functions and graphs
- Pascal's triangle
- Introduction to the Argand plane
- Graph a discrete probability distribution
- Expected values of random variables

#### See all 178 sixth-year skills

## Coming soon

We're constantly adding new skills and problem types for all year levels! Learn more