Form 1 Mathematics Current Status Not Enrolled Price Closed Get Started This course is currently closed Course Content 01 Real Number 1.1 Integer 9 Quizzes Expand Lesson Content The Bracket 1 The Bracket 2 Mental Calculation of Addition 1 Mental Calculation of Addition 2 Mental Calculation of Subtraction 1 Mental Calculation of Addition and Subtraction (Hard) 1 Mental Calculation of Addition and Subtraction (Hard) 2 Multiplication 1 Multiplication 2 1.2 Arithmetic Operation Involving Integer 4 Quizzes Expand Lesson Content Subtraction with negative difference 1 Subtraction with negative difference 2 Subtraction with negative difference 3 Addition of a positive number with a negative number 1 1.3 Positive Fraction and Negative Fraction 1.4 Positive Decimal Numbers and Negative Decimal Numbers 1.5 Real number