Operations with Fractions: Addition and Subtraction
Adding and subtracting fractions with different denominators, including mixed numbers.
Key Questions
- Explain the process of finding a common denominator for adding/subtracting fractions.
- Solve problems involving addition and subtraction of fractions and mixed numbers.
- Justify the simplification of fractional answers to their lowest terms.
NCCA Curriculum Specifications
Suggested Methodologies
Ready to teach this topic?
Generate a complete, classroom-ready active learning mission in seconds.
Planning templates for Foundations of Mathematical Thinking
5E Model
The 5E Model structures lessons through five phases (Engage, Explore, Explain, Elaborate, and Evaluate), guiding students from curiosity to deep understanding through inquiry-based learning.
unit plannerMath Unit
Plan a multi-week math unit with conceptual coherence: from building number sense and procedural fluency to applying skills in context and developing mathematical reasoning across a connected sequence of lessons.
rubricMath Rubric
Build a math rubric that assesses problem-solving, mathematical reasoning, and communication alongside procedural accuracy, giving students feedback on how they think, not just whether they got the right answer.
More in Number Sense and Operations
Number Systems: Natural Numbers and Integers
Revisiting natural numbers and introducing integers, including their representation on the number line and ordering.
2 methodologies
Prime and Composite Numbers
Defining and identifying prime and composite numbers, and understanding prime factorisation.
2 methodologies
Factors, Multiples, HCF, and LCM
Exploring factors and multiples, and calculating the Highest Common Factor (HCF) and Lowest Common Multiple (LCM) of numbers.
2 methodologies
Operations with Integers: Addition and Subtraction
Mastering addition and subtraction of integers, including rules for positive and negative numbers.
2 methodologies
Operations with Integers: Multiplication and Division
Mastering multiplication and division of integers, including rules for positive and negative numbers.
2 methodologies