The MYP Extended Mathematics grade boundary for a 7 depends on the type of result. For an internally assessed MYP subject grade, the standard conversion begins at 28 out of 32 criterion points. For the externally marked MYP Extended Mathematics eAssessment, there is no permanent boundary because the IB sets raw-mark boundaries separately for each examination session.
The published May 2024 Extended Mathematics boundary for a grade 7 was 78 out of 100, while the publicly indexed May 2025 subject report placed it at 85 out of 100. These are historical boundaries, not guaranteed predictions. Students must therefore distinguish the classroom criterion total out of 32 from the external examination mark out of 100.
The short answer
| Type of result | Grade boundary for a 7 | Does it change? |
|---|---|---|
| Internal MYP Extended Mathematics grade | 28–32 out of 32 | Normally follows the MYP criterion conversion used by the school |
| May 2024 eAssessment | 78–100 out of 100 | Applied only to that session |
| May 2025 eAssessment | 85–100 out of 100 | Applied only to that session |
| Future eAssessment | Not known in advance | Set using evidence from that session |
Students preparing for eAssessment should not target exactly 78 or 85. A safer approach is to perform consistently above recent boundaries while strengthening reasoning, communication, investigation, and modelling.
Internal MYP grading: why a 7 begins at 28 out of 32
MYP Mathematics uses four equally weighted assessment criteria. Each receives an achievement level from 0 to 8, producing a maximum combined total of 32.
| Criterion | Main focus | Maximum level |
|---|---|---|
| A: Knowing and understanding | Selecting and applying mathematics | 8 |
| B: Investigating patterns | Finding patterns, forming rules, and justifying them | 8 |
| C: Communicating | Using correct notation, representations, and reasoning | 8 |
| D: Applying mathematics in real-life contexts | Modelling, interpreting, and evaluating results | 8 |
The four final criterion levels are added. The standard conversion is:
| Criterion total | Final MYP grade |
|---|---|
| 1–5 | 1 |
| 6–9 | 2 |
| 10–14 | 3 |
| 15–18 | 4 |
| 19–23 | 5 |
| 24–27 | 6 |
| 28–32 | 7 |
A student does not need four 8s. Levels of 7, 7, 7, and 7 total 28, as do 8, 7, 7, and 6. Balanced performance matters because strong procedural knowledge may not compensate for weak communication, investigation, or modelling.
Teachers normally determine criterion levels through a best-fit judgment against the relevant descriptors. They should not simply average every mark collected during the term. Schools may have additional reporting policies governing which evidence is current, sufficient, and most representative, so students should consult their school’s assessment policy.
How the MYP Extended Mathematics eAssessment is graded
The external eAssessment uses a different process. According to the official IB mathematics subject brief, the on-screen examination assesses knowing and understanding, pattern investigation, mathematical communication, and the application of mathematics in real-life contexts.
All four criteria are equally weighted overall. Criterion C is assessed across the examination rather than only in a separate communication task. Notation, logical sequencing, graphs, units, definitions, and explanations can therefore affect marks throughout the paper.
Examiners award raw marks using the authorized markscheme and task-specific expectations. The marks are combined into a total out of 100, after which the session boundary converts the result into a grade from 1 to 7.
The IB describes this assessment as criterion-related, not as a simple ranking of candidates. Subject experts examine work around important grade transitions and compare it with grade descriptors. A more demanding paper may consequently have a lower boundary, while a more accessible paper may require additional raw marks for the same grade.
Worked examples
For an internal result, suppose a student receives levels of 8, 7, 6, and 7. The total is 28 out of 32, which falls within the grade 7 range despite the level 6 in Criterion C.
In May 2024, a candidate receiving 77 out of 100 remained below the grade 7 boundary, while a candidate receiving 78 reached it. One raw mark changed the grade because the scores sat on opposite sides of that session’s threshold.
An 82 on a mock paper illustrates why old boundaries must be used cautiously. It is four marks above the May 2024 threshold but three marks below the May 2025 threshold. A school or commercial mock does not automatically inherit an official IB boundary because its difficulty may differ from the live examination.
What a grade 7 performance looks like
A grade 7 requires more than advanced calculation. Strong candidates generally demonstrate thorough conceptual understanding, select suitable mathematics for unfamiliar situations, investigate patterns rigorously, communicate clearly, and justify real-life models.
They tend to:
- choose efficient methods and show traceable working
- define variables and use notation consistently
- distinguish an observed pattern from a justified general rule
- interpret calculated values in the original context
- evaluate assumptions, limitations, accuracy, and model validity
- use digital tools without treating calculator output as an explanation
Weak communication or evaluation can keep a mathematically capable student below a 7. The RevisionDojo guide to how MYP marks matter explains the differences among raw marks, criterion levels, and final grades.
Common mistakes when interpreting the boundary
The most frequent error is claiming that a 7 always requires 28 out of 32. This applies to the internal criterion-total conversion, not the raw external examination boundary.
Other misconceptions include:
- Treating 28 out of 32 as 87.5% on every task. Criterion levels describe quality and are not ordinary percentage bands.
- Assuming last year’s boundary will repeat. Examination demand changes between sessions.
- Averaging criterion scores mechanically. Final internal levels normally use best-fit judgment.
- Ignoring Criterion C. Communication is assessed throughout the eAssessment.
- Calling a mock boundary official. Only the boundary issued for the relevant IB session determines the validated result.
Schools should label predicted grades as estimates and explain which historical boundary or standard-setting method was used. The RevisionDojo explanation of MYP grade boundaries provides wider context.
How to prepare safely for a 7
Do not revise toward the minimum historical boundary. Build a margin by completing papers under the official two-hour conditions and checking method, reasoning, notation, interpretation, and evaluation.
Classify mistakes by criterion instead of recording only the total. Incorrect algebra may indicate a Criterion A weakness, an unsupported generalization points toward Criterion B, unclear notation affects Criterion C, and failure to evaluate a model affects Criterion D.
Use the MYP Extended Mathematics Questionbank for targeted practice and the Extended Mathematics resource collection for notes and flashcards. Students can also adapt the 30-day MYP eAssessment study plan and consult the MYP eAssessment timing guide.
Conclusion
For internal MYP Extended Mathematics reporting, a grade 7 normally requires 28–32 points out of 32. External eAssessment boundaries are session-specific: the threshold was 78 in May 2024 and 85 in May 2025, but neither predicts a future boundary.
Students should aim beyond an estimated cutoff and strengthen all four criteria. RevisionDojo’s Study Notes and Questionbank are most effective when combined with timed practice and careful error analysis.
Sources and referenced URLs
- IB Mathematics subject brief
- IB MYP grading and awards
- IB MYP passing criteria and eAssessment
- May 2024 Mathematics subject report copy
- May 2025 Mathematics subject report copy
- RevisionDojo MYP grade-boundary guide
- RevisionDojo guide to Extended Mathematics marks
- RevisionDojo Extended Mathematics resources
- RevisionDojo Extended Mathematics Questionbank
- RevisionDojo 30-day eAssessment plan
- RevisionDojo eAssessment timing guide




