# Alignment: Bangladesh • Mathematics • Class Seven

• Chapter One Rational and Irrational Numbers
• 1.1 Squares and Square Roots
• 1.2 Integer
• 1.3 Finding the Square Root by Division Method
• 1.4 Finding Square Root of Decimal Fraction
• 1.5 Perfect Square Fraction
• 1.6 Square Root of a Fraction
• 1.7 Rational and Irrational Numbers
• 1.8 Expression of Rational and Irrational Numbers in a Number Line Rational Numbers on the Number Line
• Chapter Two Proportion, Profit and Loss
• 2.1 Ratio of Multiple Expressions and Successive Ratios
• 2.2 Proportion
• 2.3 Profit-Loss
• 2.4 Problems Related to Speed
• Chapter Three Measurement
• 3.1 Measurement of Length
• 3.2 Measurement of Area
• 3.3 Measurement of Weights
• 3.4 Measuring Volume of Liquids
• Chapter Four Multiplication and Division of Algebraic Expressions
• 4.1 Multiplication of Algebraic Expressions
• 4.2 Multiplication of Expressions with Signs
• 4.3 Monomial Multiplied by Monomial
• 4.4 Polynomial Multiplied by Monomial
• 4.5 Polynomial Multiplied by Polynomial
• 4.6 Division of Algebraic Expressions
• 4.7 Division of Expressions with Signs
• 4.8 Division of a Monomial by a Monomial
• 4.9 Division of a Polynomial by a Monomial
• 4.10 Division of a Polynomial by a Polynomial
• 4.11 Use of Brackets
• Chapter Five Algebraic Formulae and Applications
• 5.1 Algebraic Formulae
• 5.2 Factors of Algebraic Expressions
• 5.3 Dividend, Divisor, Factor and Multiple
• 5.4 Highest Common Factor (H.C.F.)
• 5.5 Least Common Multiple (L.C.M.)
• Chapter Six Algebraic Fractions
• 6.1 Fractions
• 6.2 Equivalent Fractions
• 6.3 Reduction of Fractions
• 6.4 Fractions with Common Denominators
• 6.5 Addition, Subtraction and Simplification of Algebraic Fractions
• Chapter Seven Simple Equations
• 7.1 Revision of Previous Lessons
• 7.2 Laws of Equations
• 7.3 Formation of Simple Equation and Solution
• 7.4 Concepts of Co-Ordinates
• 7.5 Plotting of Points
• 7.6 Solution of Equations by Graphs
• Chapter Eight Parallel Straight Lines
• 8.1 Geometrical Argument
• 8.2 Transversals
• 8.3 Pair of Parallel Straight Lines
• 8.4 Angles Made by Bisect of Parallel Lines with a Transversal
• Chapter Nine Triangles
• 9.1 Medians of a Triangle
• 9.2 Altitudes of a Triangle
• 9.3 Exterior and Interior Angles of a Triangle
• 9.4 Sum of Three Angles of a Triangle
• 9.5 Angle and Side Relations of a Triangle
• 9.6 Sum of Two Sides of a Triangle
• 9.7 Construction of Triangles
• Chapter Ten Congruence and Similarity
• 10.1 Congruence
• 10.2 Congruence of Triangles
• 10.3 Similarity
• 10.4 Similar Triangles
• 10.5 Conditions of Similarity