The Basics of Fractions          The Basics of Fractions The Basics of Fractions Clear             The Basics of Fractions Clear   Fractions           Fractions    Additions of fractions (using grid drawing)         Addition of Fractions Additions of fractions (clear)           Addition of Fractions Clear Estimating fractions        Estimating fractions Estimating fractions, 4 figures                    Estimating fractions, 4 figures Estimating sums of fractions      Estimating sums of fractions   Multiplications of fractions (why multiply top with top and bottom with bottom?)  Fraction multiplication         Divisions of fractions (why invert the fraction after the division sign?)  For this request how to do it. Mathematical Facts      Mathematical Facts   Place values of numbers      Place value of numbers   Decimal Grids        Decimal Grids Decimal Grids Clear                      Decimal Grids Clear More Decimal Grids          More Decimal Grids Proof of (-) x (-) = (+)          (-) x (-) = + Multiplications and Divisions         Grid multiplication and division as subraction The relationship between multiplication and division        Relationship between multiplication and division Derected Numbers      Directed Numbers Using a calculator effectively      Using a calculator effectively LCM and HCF      LCM and HCF Proportions       Proportions Indices      Indices Summary, rules on indices     Summary rules, on indices Sequence    Sequence n_th term, triangular sequence           Triangular Sequence Special Numbers           Special Numbers Number Size       Number Size Spot the decimal pattern        Spot the decimal pattern Rounding numbers        Rounding numbers Appropriate level of accuracy        Appropriate level of accuracy