This course provides a complete mathematics programme for 3rd class, covering place value to 1,000, the four operations with mental and written strategies, fractions, decimals, measures, area, perimeter, volume, time, money, 2D and 3D shapes, angles, symmetry, location, data handling, chance and early algebra. Pupils develop conceptual understanding through concrete materials, visual representations and problem-solving, while building fluency and confidence across all strands of the primary mathematics curriculum.
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Everything you need for Maths, all year.

A complete year of Maths, delivered by teacher-led interactive-whiteboard lessons, a printed pupil Activity Book, and a Teacher Resource Book, built to the NCCA Primary Mathematics Curriculum.

Interactive whiteboard lessons
Pupil Activity Book Mathematics 123learn Oisín the red deer Look inside
Teacher Resource Book Mathematics 123learn Teacher resource books and materials Look inside

Explore the Course

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Introduce flexible mental strategies and secure written methods for the four operations with small numbers, and the links between them.

Mental Addition Strategies Within 100 Sample Activity Book Extension Sheet Teacher Resources
Mental Subtraction Strategies Within 100 Sample Activity Book Extension Sheet Teacher Resources
Written Addition of 2-digit Numbers with Renaming Sample Activity Book Extension Sheet Teacher Resources
Written Addition of 3-digit Numbers Sample Activity Book Extension Sheet Teacher Resources
Written Subtraction of 2-digit Numbers with Renaming Sample Activity Book Extension Sheet Teacher Resources
Written Subtraction of 3-digit Numbers Sample Activity Book Extension Sheet Teacher Resources
Addition and Subtraction Word Problems: Choose the Operation Sample Activity Book Extension Sheet Teacher Resources
Multiplication: Equal Groups and the 2, 4 and 10 Tables Sample Activity Book Extension Sheet Teacher Resources
Multiplication: the 5, 3 and 6 Tables and Patterns Sample Activity Book Extension Sheet Teacher Resources
Multiplication as Arrays and Repeated Addition Sample Activity Book Extension Sheet Teacher Resources
Multiplying a Two-digit Number by One Digit: Partition First Sample Activity Book Extension Sheet Teacher Resources
Multiplication Facts: Practice and Fluency Sample Activity Book Extension Sheet Teacher Resources
Division as Sharing Equally Sample Activity Book Extension Sheet Teacher Resources
Division as Grouping and the Times-and-share Link Sample Activity Book Extension Sheet Teacher Resources
Division with Remainders: a First Look Sample Activity Book Extension Sheet Teacher Resources
Mixed-operation Problem Solving: Which Operation? Sample Activity Book Extension Sheet Teacher Resources
Module 2 assessment: The four operations — mental and written

Name, compare and find fractions of quantities, meet equivalence as a first look, and meet tenths as the first decimals with a gentle first touch of hundredths.

What Is a Fraction? Halves, Quarters and Thirds Sample Activity Book Extension Sheet Teacher Resources
Fractions of a Shape, a Length and a Set Sample Activity Book Extension Sheet Teacher Resources
Naming Fractions: Fifths, Eighths and Tenths Sample Activity Book Extension Sheet Teacher Resources
Fractions on a Number Line Sample Activity Book Extension Sheet Teacher Resources
Equivalent Fractions: a First Look Sample Activity Book Extension Sheet Teacher Resources
Comparing Fractions with the Same Bottom Number Sample Activity Book Extension Sheet Teacher Resources
Ordering Simple Fractions Sample Activity Book Extension Sheet Teacher Resources
Finding a Half, a Third and a Quarter of a Quantity Sample Activity Book Extension Sheet Teacher Resources
Tenths: the First Decimal Place Sample Activity Book Extension Sheet Teacher Resources
Reading and Writing Tenths on a Number Line Sample Activity Book Extension Sheet Teacher Resources
Tenths on a Metre Stick and a Jug Sample Activity Book Extension Sheet Teacher Resources
Hundredths: a Gentle First Look Sample Activity Book Extension Sheet Teacher Resources
Linking Simple Fractions and Decimals Sample Activity Book Extension Sheet Teacher Resources
Fractions and Decimals Review Sample Activity Book Extension Sheet Teacher Resources
Module 3 assessment: Fractions and first decimals

Find and use the rule behind number and shape patterns, read and solve number sentences with a missing value, and close the year with a cross-strand review.

Number Patterns and Sequences: Find the Rule Sample Activity Book Extension Sheet Teacher Resources
Growing Patterns: Predict the Next Ones Sample Activity Book Extension Sheet Teacher Resources
Repeating Patterns and Their Rule Sample Activity Book Extension Sheet Teacher Resources
Counting Patterns and Multiples on the Hundred Square Sample Activity Book Extension Sheet Teacher Resources
The Equals Sign Means Balance Sample Activity Book Extension Sheet Teacher Resources
Finding the Missing Number Sample Activity Book Teacher Resources
Using a Box or a Letter for the Unknown Sample Activity Book Teacher Resources
Turning a Word Problem Into a Number Sentence Sample Activity Book Extension Sheet Teacher Resources
Fact Families and the Link Between Add and Take Away Sample Activity Book Extension Sheet Teacher Resources
The Link Between Multiplying and Dividing Sample Activity Book Extension Sheet Teacher Resources
Equivalent Expressions Sample Activity Book Extension Sheet Teacher Resources
Patterns and Rules Investigation Sample Activity Book Extension Sheet Teacher Resources
End of Year Review: Number, Measures and Shape Sample Activity Book Extension Sheet Teacher Resources
End of Year Review: Data, Chance and Algebra Sample Activity Book Extension Sheet Teacher Resources
Module 10 assessment: Algebra — patterns, rules and number sentences

Introduce flexible mental strategies and secure written methods for the four operations with small numbers, and the links between them.

Mental Addition Strategies Within 100 Sample Activity Book Extension Sheet Teacher Resources
Mental Subtraction Strategies Within 100 Sample Activity Book Extension Sheet Teacher Resources
Written Addition of 2-digit Numbers with Renaming Sample Activity Book Extension Sheet Teacher Resources
Written Addition of 3-digit Numbers Sample Activity Book Extension Sheet Teacher Resources
Written Subtraction of 2-digit Numbers with Renaming Sample Activity Book Extension Sheet Teacher Resources
Written Subtraction of 3-digit Numbers Sample Activity Book Extension Sheet Teacher Resources
Addition and Subtraction Word Problems: Choose the Operation Sample Activity Book Extension Sheet Teacher Resources
Multiplication: Equal Groups and the 2, 4 and 10 Tables Sample Activity Book Extension Sheet Teacher Resources
Multiplication: the 5, 3 and 6 Tables and Patterns Sample Activity Book Extension Sheet Teacher Resources
Multiplication as Arrays and Repeated Addition Sample Activity Book Extension Sheet Teacher Resources
Multiplying a Two-digit Number by One Digit: Partition First Sample Activity Book Extension Sheet Teacher Resources
Multiplication Facts: Practice and Fluency Sample Activity Book Extension Sheet Teacher Resources
Division as Sharing Equally Sample Activity Book Extension Sheet Teacher Resources
Division as Grouping and the Times-and-share Link Sample Activity Book Extension Sheet Teacher Resources
Division with Remainders: a First Look Sample Activity Book Extension Sheet Teacher Resources
Mixed-operation Problem Solving: Which Operation? Sample Activity Book Extension Sheet Teacher Resources
Module 2 assessment: The four operations — mental and written

Name, compare and find fractions of quantities, meet equivalence as a first look, and meet tenths as the first decimals with a gentle first touch of hundredths.

What Is a Fraction? Halves, Quarters and Thirds Sample Activity Book Extension Sheet Teacher Resources
Fractions of a Shape, a Length and a Set Sample Activity Book Extension Sheet Teacher Resources
Naming Fractions: Fifths, Eighths and Tenths Sample Activity Book Extension Sheet Teacher Resources
Fractions on a Number Line Sample Activity Book Extension Sheet Teacher Resources
Equivalent Fractions: a First Look Sample Activity Book Extension Sheet Teacher Resources
Comparing Fractions with the Same Bottom Number Sample Activity Book Extension Sheet Teacher Resources
Ordering Simple Fractions Sample Activity Book Extension Sheet Teacher Resources
Finding a Half, a Third and a Quarter of a Quantity Sample Activity Book Extension Sheet Teacher Resources
Tenths: the First Decimal Place Sample Activity Book Extension Sheet Teacher Resources
Reading and Writing Tenths on a Number Line Sample Activity Book Extension Sheet Teacher Resources
Tenths on a Metre Stick and a Jug Sample Activity Book Extension Sheet Teacher Resources
Hundredths: a Gentle First Look Sample Activity Book Extension Sheet Teacher Resources
Linking Simple Fractions and Decimals Sample Activity Book Extension Sheet Teacher Resources
Fractions and Decimals Review Sample Activity Book Extension Sheet Teacher Resources
Module 3 assessment: Fractions and first decimals

Find and use the rule behind number and shape patterns, read and solve number sentences with a missing value, and close the year with a cross-strand review.

Number Patterns and Sequences: Find the Rule Sample Activity Book Extension Sheet Teacher Resources
Growing Patterns: Predict the Next Ones Sample Activity Book Extension Sheet Teacher Resources
Repeating Patterns and Their Rule Sample Activity Book Extension Sheet Teacher Resources
Counting Patterns and Multiples on the Hundred Square Sample Activity Book Extension Sheet Teacher Resources
The Equals Sign Means Balance Sample Activity Book Extension Sheet Teacher Resources
Finding the Missing Number Sample Activity Book Teacher Resources
Using a Box or a Letter for the Unknown Sample Activity Book Teacher Resources
Turning a Word Problem Into a Number Sentence Sample Activity Book Extension Sheet Teacher Resources
Fact Families and the Link Between Add and Take Away Sample Activity Book Extension Sheet Teacher Resources
The Link Between Multiplying and Dividing Sample Activity Book Extension Sheet Teacher Resources
Equivalent Expressions Sample Activity Book Extension Sheet Teacher Resources
Patterns and Rules Investigation Sample Activity Book Extension Sheet Teacher Resources
End of Year Review: Number, Measures and Shape Sample Activity Book Extension Sheet Teacher Resources
End of Year Review: Data, Chance and Algebra Sample Activity Book Extension Sheet Teacher Resources
Module 10 assessment: Algebra — patterns, rules and number sentences

Teacher Resources

Everything you need to plan and teach the course, ready to download and print.

Yearly plan
Fortnightly schemes
Curriculum coverage
Teacher resource book

These are for teachers. Sign in to download them.

Curriculum Mapping

See exactly how this course maps to official curriculum specifications

Curriculum Area
Outcomes
Algebra
Patterns, rules and relationships
ALG.PRR.3a ALG.PRR.3b
Expressions and equations
ALG.EXP.3
Data and chance
Data
DAT.DAT.3
Chance
DAT.CHN.3
Measures
Measuring
MEA.MSR.3a MEA.MSR.3b
Time
MEA.TIM.3a MEA.TIM.3b
Money
MEA.MON.3
Number
Place value and base ten
NUM.PVT.3
Sets and operations
NUM.OPS.3
Fractions
NUM.FRC.3a NUM.FRC.3b
Shape and space
Spatial awareness and location
SHA.SAL.3a SHA.SAL.3b
Shape
SHA.SHP.3a SHA.SHP.3b
Transformation
SHA.TRN.3

The curriculum does not include official reference codes for individual learning outcomes, so we have assigned a code scheme to make it easier to identify and track coverage.

What Students Will Learn

Learning Goals

  1. Develop deep understanding of place value in whole numbers up to 1,000 and apply rounding to nearest 10 and 100
  2. Master mental and written strategies for addition, subtraction, multiplication and division, including solving mixed operation word problems
  3. Recognise, compare and order fractions and decimals, and find simple fractional amounts of quantities
  4. Measure and calculate length, weight, capacity, perimeter, area and volume using appropriate units and tools
  5. Identify and describe 2D and 3D shapes, angles, symmetry, transformations and location while interpreting data, chance and algebraic patterns

Learning Outcomes

  1. Read, write, partition and compare three-digit whole numbers using place value up to 1,000.
  2. Add and subtract two- and three-digit numbers using mental strategies, column methods with renaming, and solve related word problems.
  3. Recall and use multiplication facts for the 2, 3, 4, 5, 6 and 10 times tables and relate them to division, including division with remainders.
  4. Recognise, name, compare and order simple fractions and tenths; link common fractions to their decimal equivalents.
  5. Estimate, measure and record length, weight and capacity in appropriate metric units, then solve practical measures problems.

What You'll Need

Required Equipment

Equipment used in some of the lessons in this course. Items can be shared among students.

2D shape cards
3D solids
Balance scales
base-ten blocks
Building cubes
clock_faces
Coin set
Compass card
Counters
Cubes
Dice
Feature-tally table (printable)
IWB/Projector/Large Screen
IWB/Projector/Large Screen
Measuring jug
Metre stick
Pattern blocks
place_value_columns
Play coins
Square tiles
squared paper
Stopwatch
Straws
String
tally template
Tenths number line template
Weighing scales

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