UnaGPT · Primary Edition

Mathematics

Students can write expressions and answers using pen and paper or the built-in handwriting pad. The system instantly recognizes the text and expressions and converts them into digital format, giving a comprehensive assessment from the expression all the way to the units, and precisely identifying learning blind spots.

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Text and expression scanning, converted to digital format in seconds

Students can write expressions and answers using pen and paper or the built-in handwriting pad, and the system instantly recognizes the text and expressions and converts them into digital format. Any errors or omissions can be quickly corrected with the math editor, making operation simple and uploading more efficient.

Convert multiple questions at onceExpressions and textQuick editing
OCR (Mathematics)
① Handwritten with pen and paper
Handwritten expressions with pen and paper
② Built-in handwriting pad
171 + 112×2
= 458
共售 458 杯
171 + 112 × 2
= 458
共售 458 杯
Insert math content
Copy and append
Math editor
171 + 112 × 2≡
∑789÷()√π456×xy≤∫123−≥∞θΣ0.=+%

From the expression to the units: a comprehensive assessment of student answers

It comprehensively analyzes student answers, including details such as the expression steps, the final answer, the answer statement, and the use of units, precisely identifying students' learning blind spots, and it also supports TSA question types.

Basic arithmetic questionsApplication / word problemsFraction and decimal questionsAlgebraic thinking
Question 1 (3 marks)
A fast food shop sold 112 cups of chocolate and 171 cups of coffee. The number of milk teas sold was 2 times the number of chocolates. How many cups of milk tea and coffee were sold in total?
Submitted content
171 + 112 × 2
＝458
458 cups sold in total
Score detailsContent analysisOverall feedback
Scoring items
Horizontal formThe math expression that was set up is correct.
1
AnswerThe calculation result is incorrect.
0
Answer statementAlthough the calculation result is incorrect, a written answer with the unit was provided after the horizontal expression, as required by the question.
1
Content analysis
171 + 112 × 2
This horizontal expression correctly conveys the meaning of the question, and the calculation steps follow the order of multiplication and division before addition and subtraction.
＝ 458
This calculation result is incorrect. When calculating 171+112×2, you should calculate the multiplication part first and then do the addition.
458 cups sold in total
The format of the concluding sentence is correct, including the quantity and the unit, but because of the calculation error, the total obtained is incorrect. The conclusion should be based on the correct calculation result.
Overall feedback
Overall content suggestions
When dealing with an expression that contains multiple operators, it is recommended to review the calculation process, ensuring that the result of each step is accurate. When solving the problem, you can first calculate the value of each part step by step (for example, first calculate the number of milk teas) and then combine them to find the final answer; this helps reduce calculation errors.

Precise analysis of image-based answers

It fully supports math-specific question types such as drawing clocks, circling axes of symmetry, filling in fraction diagrams, and drawing statistical charts, breaking the limitation that traditional AI cannot grade image-based questions. The AI automatically summarizes students' mathematical misconceptions in visual question types, presenting their understanding of abstract math concepts in an intuitive and concrete way.

Fraction simplificationP4–P6 · Lowest terms fraction
A Question
Question
B Handwriting
Answering
Shows signs of reducing the fraction1M
Write the correct fraction in lowest terms1A
C Scoring items
Shows signs of reducing the fractionThe answer divides both the numerator and the denominator by 2, writing down 21 and 27; the reduction step is correct.
1
Write the correct fraction in lowest terms21⁄27 can still be divided by 3 on both sides, so it is not in lowest terms, and therefore no answer mark was awarded.
0
Content analysis
In the answer, the fraction 42⁄54 is reduced, with the numerator marked as 21 and the denominator marked as 27.
Dividing both the numerator 42 and the denominator 54 by the common factor 2 to get 21⁄27 is logically correct. However, the question clearly requires reducing to lowest terms, which by definition means the numerator and denominator share only the common factor 1 (coprime). Looking at 21 and 27, both are multiples of 3, so a common factor other than 1 still exists; you must keep dividing both until the two numbers are coprime to obtain the fraction in lowest terms.
Overall feedback
After reducing, you must check again whether the numerator and denominator still have a common factor other than 1, until the two are coprime.
You can make good use of divisibility rules (for example, if the sum of the digits is divisible by 3, then the number is divisible by 3) to help find hidden common factors.
Before calculating, you can first find the greatest common factor of the numerator and denominator; dividing both by it directly gives the fraction in lowest terms and reduces errors.
Long divisionRemainder
A Handwriting
Answering
B AI scoring
Place value of the quotientTens-place quotient "1", ones-place quotient "8", with digits aligned
3
Subtraction and bringing down digitsClearly shows the calculation process of 368 − 344
1
Remainder (1A)Finally arrives at the correct remainder "24"
1
Bar chartData handling
A Handwriting
Answering
B AI scoring
Vertical axis labelsCorrectly labeled 1–8 (1 square represents 100)
1
Bar height4 items correct, but only a straight line drawn for the variety program
4
Drawing quality / titleNo ruler used, missing an overall title
0
New for 2026 NEW

Una Question Bank · Mathematics: a complete set of curriculum questions from P1-P6

P1-P6 Mathematics starts from the knowledge structure, preparing lessons, setting questions, and reviewing test point by test point. Every question comes with marking criteria and sample answers, and can be exported to the UnaGPT AI self-study system with one click for automatic grading.

  • P1-P6 Mathematics:5,929 questions · 296 test points
  • Bilingual Chinese-English display — switch interface and questions with one click
  • Draft → Review → Publish, with a teacher-review workflow standing guard
  • Diverse question types: multiple-choice／short-answer／structured／data-response／writing／image-based answers
Coverage
P1-P6
ChineseEnglishMathematicsHumanitiesScience
Mathematics · Knowledge point tree
① Knowledge-point tree —— Mathematics: subject → syllabus → topic → test point
Mathematics question examples
② Mathematics questions —— Explaining the travel diagram With images
Teacher and student testimonials

Genuine feedback from schools, teachers, and students

When going through the revision suggestions UnaGPT offers, I have to judge which ones should be adopted and which should not, and this process effectively trains critical thinking. As a member of the debate team, I firmly believe this kind of thinking is useful in debating.

Leung Cheuk-yui
Leung Cheuk-yuiClass 6E student · Baptist (Sha Tin Wai) Lui Ming Choi Primary School

UnaGPT's biggest highlight is that it can offer targeted suggestions, providing correction guidance only for the problematic sentences, which makes it more practical and valuable.

Vice-Principal Cheung Suet-fan
Vice-Principal Cheung Suet-fanBaptist (Sha Tin Wai) Lui Ming Choi Primary School
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