≡Razonamiento matemático
What is it?
Mathematical reasoning is when you solve problems using logic + simple everyday calculations.
👉 It is not difficult mathematics
👉 It is interpretation + basic calculations
It appears very often in exams and competitions within the area of Logical Reasoning.
1. Percentage
Example
A product costs R$ 200.00 and has a 25% discount.
🔍 Step by step:
25% of 200 = 50
200 − 50 = 150
✅ Correct answer:
👉 R$ 150.00
Idea: discount is part of the total value
2. Rule of three
Example
If 3 notebooks cost R$ 30.00, how much do 5 notebooks cost?
🔍 Step by step:
3 → 30
1 → 10
5 → 50
✅ Correct answer:
👉 R$ 50.00
Idea: more quantity = higher cost
3. Everyday problem
Example
Maria works 8 hours per day and earns R$ 120.00 per day.
How much does she earn per hour?
🔍 Step by step:
120 ÷ 8 = 15
✅ Correct answer:
👉 R$ 15.00 per hour
4. Extra example (simple purchase)
Example
John bought 2 t-shirts for R$ 45.00 each.
How much did he spend?
🔍 Step by step:
45 × 2 = 90
✅ Correct answer:
👉 R$ 90.00
Important tips
✔️ Always identify what the problem asks for
✔️ Turn text into simple calculations
✔️ Use logic before calculating
✔️ Check units (R$, hours, items, etc.)
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