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Topics in Addition & Subtraction:

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Partitioning Numbers within 10 into Parts

1AS—1 Compose numbers to 10 from 2 parts, and partition numbers to 10 into parts, including recognising odd and even numbers.
Grasping the concept of composing and par...
Addition & Subtraction
Year 1

Equations and Numerical Expressions within 10

1AS—2 Read, write and interpret equations containing addition (+), subtraction (−) and equals (=) symbols, and relate additive expressions and equations to real-life cont...
Addition & Subtraction
Year 1

Addition and Subtraction Crossing Ten

2AS–1 Add and subtract across 10.
This skill helps bridge numerical gaps efficiently, fostering mental arithmetic and flexibility in problem-solving strategies.
Addition & Subtraction
Year 2

Adjusting Two-digit Numbers by Ones or Tens

2AS–3 Add and subtract only ones or only tens to/from a two digit number.
Enhances number manipulation skills, crucial for efficient mental calculations.
Addition & Subtraction
Year 2

Subtraction as Difference Calculation

2AS–2 Recognise the subtraction structure of ‘difference’ and answer questions of the form,“How many more…?”
Facilitates comparative reasoning and subtraction skills, ...
Addition & Subtraction
Year 2

Comprehensive Two-digit Number Calculations

2AS–4 Add and subtract any 2 two digit numbers.
Promotes numerical agility and precision, essential for tackling more complex mathematical problems.
Addition & Subtraction
Year 2

Understanding Additive Relationships

3AS–3: Manipulate the additive relationship: Understand the inverse relationship between addition and subtraction, and how both relate to the part–part–whole structure.
Addition & Subtraction
Year 3

Calculating Complements to 100

3AS–1: Calculate complements to 100.
Mastering this skill aids in mental arithmetic, enhancing the ability to quickly determine the difference needed to reach a sum of...
Addition & Subtraction
Year 3

Columnar Addition and Subtraction

3AS–2: Add and subtract up to three-digit numbers using columnar methods.
This methodical approach strengthens computational skills and accuracy in handling larger num...
Addition & Subtraction
Year 3

Solving Problems with Two Unknowns

6AS/MD–4: Solve problems with 2 unknowns.
Introduces algebraic thinking by requiring students to find solutions to equations with two variables, a fundamental skill in...
Addition & Subtraction
Year 6
Multiplication & Division

Additive and Multiplicative Relationships

6AS/MD–1: Understand that 2 numbers can be related additively or multiplicatively, and quantify additive and multiplicative relationships (multiplicative relationships re...
Addition & Subtraction
Year 6
Multiplication & Division

Solving Ratio Problems

6AS/MD–3: Solve problems involving ratio relationships.
Equips students with the skills to tackle proportion, scale, and ratio problems, important in math and real-lif...
Addition & Subtraction
Year 6
Multiplication & Division

Applying Arithmetic Properties in Calculations

6AS/MD–2: Use arithmetic properties, inverse relationships, and place-value understanding to derive calculations and solve problems. This approach develops the ability to...
Addition & Subtraction
Year 6
Multiplication & Division