Logic and Mathematics · Reasoning Workshop

We explore fractions, percentages, proportions, area, enumeration and logical deductions. We explain why the answer follows from the conditions.

Trial tasks are available without registration. To save results, start classes in your student profile.

$Original illustration for the course “Logic and Mathematics · Reasoning Workshop”$

From topic to practice

What will we study

Choose a section or take classes in order. Both modes use the same objectives and results.

Shares and percentagesLet's analyze the rule and apply it in independent tasks.

Fraction of quantity
Equal parts; How many parts do we take? Two actions.
Tasks: 5 · Theory: 1 · Free lesson
Interest without guessing
Hundredth part; Quarter and half; The whole is indicated.
Tasks: 5 · Theory: 1 · Free lesson

Proportions and the UnknownLet's analyze the rule and apply it in independent tasks.

Relationship of two parts
Attitude; Total shares; Share size.
Tasks: 5 · Theory: 1
Unknown number
Equality; Reverse action; Substitution.
Tasks: 5 · Theory: 1

Expressions and GeometryLet's analyze the rule and apply it in independent tasks.

Procedure
Parentheses; Multiplication and division; Addition and subtraction.
Tasks: 5 · Theory: 1
Square with cutout
Area; Cutout inside; Not the perimeter.
Tasks: 5 · Theory: 1

Options and divisibilityLet's analyze the rule and apply it in independent tasks.

Counting options
One choice from each group; Product rule; Conditions change the score.
Tasks: 5 · Theory: 1
Divisibility by two conditions
Without remainder; On 2 and 3; Examination.
Tasks: 5 · Theory: 1

Logical proofsLet's analyze the rule and apply it in independent tasks.

Possible and mandatory
Valid options; Maybe; Necessarily.
Tasks: 5 · Theory: 1
Should the output
Conditional group; Rule direction; Lack of data.
Tasks: 5 · Theory: 1

The course consists of chapters and thematic lessons. You can focus on one topic and understand it step by step.

Choose a grid of activities or a route map. Consecutive classes open in order. One lesson may contain tasks from different topics.

Learn at your own pace

Free thematic lessons: 2. Free consecutive lessons: 2. Other classes open with Premium. Access is granted by the parent.

Completed tasks, stars and results are saved in the student’s profile. Hints and explanations help you figure out the answer.