# Maths

## Junior-infants skills

- Identify circles, squares and triangles
- Count dots (up to 3)
- Same and different
- Classify by colour
- Count 1c coins

#### See all 41 junior-infants skills

## Senior-infants skills

- Count groups of ten
- Subtract with pictures - numbers up to 5
- Read clocks and write times
- Times of everyday events
- Geometry of everyday objects

#### See all 103 senior-infants skills

## First-class skills

- Roman numerals I, V, X
- Related addition facts
- Subtraction facts - numbers up to 10
- Which bar graph is correct?
- Months of the year

#### See all 169 first-class skills

## Second-class skills

- Addition word problems - up to two digits
- Fact families
- Compare clocks
- Fraction word problems
- Compare fractions

#### See all 212 second-class skills

## Third-class skills

- Multiplication - facts to 12
- Multiply numbers ending in zeroes
- Create line plots
- Addition, subtraction, multiplication and division word problems
- Equivalent fractions: type the missing numerator or denominator

#### See all 197 third-class skills

## Fourth-class skills

- Rounding
- Complete the division table
- Divisibility rules
- Patterns of equivalent fractions
- Place values in decimal numbers

#### See all 182 fourth-class skills

## Fifth-class skills

- Nets of 3-dimensional figures
- Divide by powers of ten
- Least common multiple
- Write variable expressions
- Stem-and-leaf plots

#### See all 225 fifth-class skills

## Sixth-class skills

- Percents - calculate tip, mark-up and more
- Prime factorisation
- GCF and LCM: word problems
- Working with temperatures above and below zero
- Scale drawings

#### See all 242 sixth-class skills

## First-year skills

- Put rational numbers in order
- Do the ratios form a proportion?
- Solve percent equations
- Circles: calculate area, circumference, radius and diameter
- Interpret charts to find mean, median, mode and range

#### See all 240 first-year skills

## Second-year skills

- Estimate population size using proportions
- Simple interest
- Interior angles of polygons
- Powers of monomials
- Multiply polynomials

#### See all 251 second-year skills

## Third-year skills

- Equations of horizontal and vertical lines
- Solve simultaneous equations using substitution
- Factorise by grouping
- Factorise polynomials
- Simplify rational expressions

#### See all 229 third-year skills

## Transition year skills

- Complete the square
- Identify congruent figures
- SSS, SAS, ASA and AAS Theorems
- Midsegments of triangles
- Triangle Inequality Theorem

#### See all 237 transition-year skills

## Fifth-year skills

- Composition of linear functions
- Reference angles
- Law of Sines
- Law of Cosines
- Symmetry and periodicity of trigonometric functions

#### See all 253 fifth-year skills

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