Math Games

Place value
• read, write and order whole numbers and decimals
• identify place value in whole numbers and decimals
• round decimals

Operations
• estimate sums, differences, products and quotients of decimals
• add and subtract whole numbers and decimals (to three decimal places) without and with a calculator
• multiply a decimal by a decimal, without and with a calculator
• divide a four-digit number by a two-digit number, without and with a calculator
• divide a decimal number by a decimal, without and with a calculator

Fractions
• compare and order fractions and identify equivalent forms of fractions
• express improper fractions as mixed numbers and vice versa and position them on the number line
• add and subtract simple fractions and simple mixed numbers
• multiply a fraction by a fraction
• express tenths, hundredths and thousandths in both fractional and decimal form
• divide a whole number by a unit fraction
• understand and use simple ratios

Decimals and percentages
• use percentages and relate them to fractions and decimals
• compare and order percentages of numbers
• solve problems relating to profit and loss, discount, VAT, interest, increases, decreases.

Number theory
• identify simple prime and composite numbers
• identify and explore square numbers
• explore and identify simple square roots
• identify common factors and multiples
• write whole numbers in exponential form

Representing and interpreting data
• collect, organise and represent data using pie charts and trend graphs
• read and interpret trend graphs and pie charts
• compile and use simple data sets
• explore and calculate averages of simple data sets
• use data sets to solve problems.

Chance
• identify and list all possible outcomes of simple random processes
• estimate the likelihood of occurrence of events; order on a scale from 0 to 100%, 0 to 1
• construct and use frequency charts and tables

Directed numbers
• identify positive and negative numbers on the number line
• add simple positive and negative numbers on the number line

Rules and properties
• know simple properties and rules about brackets and priority of operation
• identify relationships and record symbolic rules for number patterns
• explore the concept of a variable in the context of simple patterns, tables and simple formulae and substitute values for variables

Variables
• explore the concept of a variable in the context of simple patterns, tables and simple formulae and substitute values for variables

Equations
• translate word problems with a variable into number sentences
• solve one-step number sentences and equations

2-D shapes
• make informal deductions about 2-D shapes and their properties
• use angle and line properties to classify and describe triangles and quadrilaterals
• construct triangles from given sides or angles
• identify the properties of the circle
• construct a circle of given radius or diameter
• tessellate combinations of 2-D shapes
• classify 2-D shapes according to their lines of symmetry
• plot simple co-ordinates and apply where appropriate
• use 2-D shapes and properties to solve problems.

3-D shapes
• identify and examine 3-D shapes and explore relationships, including octahedron (faces, edges and vertices)
• draw the nets of simple 3-D shapes and construct the shapes.

Lines and angles
• recognise, classify and describe angles and relate angles to shape
• recognise angles in terms of a rotation
• estimate, measure and construct angles in degrees
• explore the sum of the angles in a quadrilateral

Length
• select and use appropriate instruments of measurement
• rename measures of length
• estimate and measure the perimeter of regular and irregular shapes
• use and interpret scales on maps and plans

Area
• recognise that the length of the perimeter of a rectangular shape does not determine the area of the shape
• calculate the area of regular and irregular 2-D shapes
• measure the surface area of specified 3-D shapes
• calculate area using acres and hectares
• identify the relationship between square metres and square centimetres
• find the area of a room from a scale plan

Weight
• select and use appropriate instruments of measurement
• rename measures of weight

Capacity
• select and use appropriate instruments of measurement
• rename measures of capacity
• find the volume of a cuboid experimentally

Time
• explore international time zones
• explore the relationship between time, distance and average speed

Money (use up to introduction of the euro)
• explore value for money
• convert foreign currencies to Irish pounds and vice versa

Money - euro
• explore value for money
• convert other currencies to euro and vice versa