EN
PT
EN
PT
Summer activities for lower secondary school
Product: Book
Trim size in cm: 20x27cm
Pages: 128
ISBN: 9788859042396
Publication date: 01/03/2025
Suitable for: Primary 1st level (ages 6-7)
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Enigmatic Maths 2 is a holiday workbook designed for Year 8 students. This workbook transforms traditional exercises into puzzles, fun challenges, and intriguing stories, showing students that numbers aren’t just formulas — they’re exciting adventures. Each activity leads students towards solving a mystery: who is the great mathematician waiting to be discovered?
The workbook includes over 50 clues, which can be unlocked by solving maths puzzles and challenges. By scanning the QR codes, students can check their answers, access solutions, and uncover new hints.
Section 1 – Numbers
Fractions and decimal numbers
From fractions to decimals
From decimals to fractions
Operations with rational numbers: addition and subtraction
Operations with rational numbers: multiplication and division
Operations with rational numbers: exponentiation
Problems with fractions
Expressions with decimal and recurring numbers
Square numbers and their square roots
Exact and approximate square roots
Calculating square roots through prime factorisation
Irrational numbers
Doubling the area of a square
Expressions and exercises
Representing reductions and enlargements
Constant ratios and proportions
Different notations for the same value
Lowest Common Multiple (LCM)
Finding percentages
Sales and discounts
Taxes and VAT
Interest rates
Percentages and proportions
Section 2 – Space and Shapes
Triangles
Quadrilaterals and some of their properties
Quadrilaterals: trapeziums
Quadrilaterals
More about quadrilaterals
Representing polygons
Area calculations
Angles, including central and circumferential angles
Inscribed and circumscribed polygons
Regular and irregular polygons
Polygons and areas
Pythagorean triples
The Pythagorean theorem
Pythagorean puzzles
Pythagorean paths
Towers of right-angled triangles
The spiral of Theodorus of Cyrene
Triangles in set squares
Discover the area and perimeter
Pythagorean tree
Right-angled and non-right-angled triangles
The Pythagorean theorem in polygons
Euclidean puzzles
Section 3 – Relationships, Data, and Graphical Representations
Direct proportionality
Graphical representation of direct proportionality
Direct and inverse proportionality
Graphical representation of inverse proportionality
Probability calculations – classical definition
Beware of traps… or probable intruders
Section 4 – We’re on Holiday… So Let’s Play!
Playing with shapes
More about shapes
Playing with words
Playing with GeoGebra
