IB MYP Year 1 Mathematics resources

Open the Year 1 slidedeck repository →

Open the IB MYP Mathematics Curriculum Map →

A good MYP mathematics lesson has to do several things at once. It needs to make the mathematics explicit, give students enough practice to become accurate, create space for questions and investigation, and help learners see why the idea matters beyond the exercise in front of them. The IB MYP Year 1 Mathematics slidedecks are built around that complete lesson experience.

The collection is organized as six connected units: Number Systems and Operations; Algebraic Thinking and Patterns; Ratio, Rate and Proportion; Geometry and Measurement; Data and Probability; and Coordinates and Transformations. Each folder follows the unit codes in the curriculum map, so teachers can move from the whole-year overview to the exact lesson deck they need.

A coherent Year 1 sequence

The repository is designed to feel like a programme rather than a pile of presentations. The sequence begins with place value, representations, estimation, factors, integers, fractions, decimals and percentages. It then develops early algebra through variables, substitution, expressions, equations, function machines, sequences and inequalities. Later units apply that thinking to proportional relationships, scale, financial literacy, geometric reasoning, data displays, probability and transformations.

That order gives teachers a useful planning spine while leaving room to adapt pacing. A lesson on percentages can draw on the number work that came before and prepare students for ratio and financial-literacy problems later. Coordinates and transformations provide another natural bridge between algebraic rules and spatial reasoning. The curriculum map makes those connections visible, including the MYP key concepts, related concepts, global contexts and criteria emphasis for each unit.

What is inside a typical deck?

Most decks follow a dependable rhythm that students can quickly learn to navigate:

Lesson focus: clear learning intentions explain what students should be able to do and identify the relevant MYP concept and criteria.
Concept and method slides: new ideas are introduced with definitions, representations, relationships and a reliable method students can return to.
Worked solutions: answers show enough reasoning to support discussion, self-checking and precise mathematical communication.
Practice problems: tasks move from guided questions to independent application, including error-spotting and “find and correct” prompts.
Real-world connections: mathematics is placed in situations such as population scale, wetland area, class results, waiting times, design and construction.
Inquiry activities: students investigate patterns, collect or compare data, test claims, use counterexamples and justify conclusions.
Exit tickets: short end-of-lesson checks revisit the essential mathematics and include a reflection prompt about the meaning or reasonableness of an answer.

This structure keeps lessons focused without making them predictable in a limiting way. The recurring format reduces cognitive load around classroom routines, while the changing problems and contexts ask students to think, explain and transfer.

Inquiry is part of the ordinary lesson

Inquiry is not treated as an optional project added after the “real” mathematics. In a place-value deck, students can create a mystery number, represent a local or global statistic in multiple forms and explain which representation is most useful. In a data deck, they can collect a small class data set, compare spread, investigate outliers and identify the limitations of using range alone. In a transformations deck, they can design a repeating tile or logo on a coordinate grid and prove which properties are preserved.

The decks also use always, sometimes or never prompts. These are compact but powerful opportunities for mathematical argument: learners classify a claim, test examples and counterexamples, and explain what additional information might be needed. That makes the MYP criteria visible in day-to-day teaching, especially investigating patterns, communicating and applying mathematics in real-life contexts.

Problems with a reason to solve them

The real-world slides give practice a purpose without forcing a contrived story onto every question. Place value becomes a way to interpret population dashboards. Range helps compare consistency in test results, rainfall or sports performance. Ratio and proportion can support scale drawings and introductory financial literacy. Geometry and transformations connect to accurate design and construction.

These contexts invite a second question after the calculation: What does the answer mean, and can we trust it? That habit is central to MYP mathematics. Students are encouraged to name units, explain choices, inspect representations, notice misleading graphs and evaluate whether a conclusion is reasonable.

Built-in assessment and reflection

Every deck includes opportunities to gather evidence before a formal assessment. The opening objectives help teachers share the destination. Practice reveals fluency and misconceptions. Inquiry tasks show how students make decisions and communicate reasoning. The final exit ticket provides a fast, actionable snapshot of what has stuck.

Exit tickets typically combine a short calculation with a conceptual question and a one-sentence reflection. For example, students might write a number in expanded form, identify the value of a decimal digit and explain why zero matters. In geometry, they might define a tessellation, justify why a square works and decide whether a regular pentagon tessellates by itself. The reflection makes learning visible rather than reducing the lesson to an answer key.

How to use the repository

Start with the curriculum map to understand the six-unit Year 1 progression and the intended connections.
Open the repository and choose the folder that matches the unit code.
Use the lesson objectives and MYP focus to frame the lesson, then pause at the practice and inquiry slides rather than presenting every slide at speed.
Use the worked solutions for discussion and the exit ticket to decide whether the next lesson should extend, revisit or reteach part of the idea.

The Year 1 slidedecks are ready to use, but they are also designed to be teachable. Add local data, familiar examples, language support or an extension task where your class needs it. The consistent structure gives you a strong starting point; the inquiry, problems, real-world scenarios and exit tickets give students the varied thinking they need to grow into confident MYP mathematicians.

For official programme context, see the IB Mathematics in the MYP overview.

IB MYP Year 1 Mathematics Slidedecks: A Ready-to-Teach Lesson Sequence