Four worksheets for Year 9 students on the following topics: Mental calculations Powers of 10 Rounding appropriately Standard form Detailed solutions are included.

Four worksheets on the following: multiplying decimal numbers by positive and negative powers of 10, converting ordinary numbers to standard-form numbers and vice versa, rounding numbers to one or two decimal places and one or two significant figures, multiplying numbers by 25 and 15 and dividing numbers by 25, 20 and 16 mentally. Detailed solutions are included. From https://mathamaniacs.com/

Five worksheets for Year 9 students on the following topics: Algebra Expanding brackets Expanding brackets and factorising Expanding the product of two brackets Factorising expressions containing powers Detailed solutions are included.

Three worksheets on expanding single and double brackets and factorising algebraic expressions. Detailed solutions are included.

Three worksheets on expanding double brackets. Solutions are included.

Three worksheets on expanding single and double brackets. Solutions are included.

Four worksheets on multiplying brackets by a term which can be a single number or variable (positive or negative) or a combination of a number with a variable. Solutions are included.

A collection of three worksheets. Two worksheets on the discriminant of a quadratic equation with exercises for evaluating the discriminant of given equations, determining the number of real solutions of given quadratic equations and deciding whether the discriminant of a quadratic equation is positive, negative or zero by the corresponding graph and one worksheet on solving quadratic equations using the quadratic formula… Solutions are provided.

Three worksheets on converting improper fractions to mixed numbers and vice versa. Solutions are included.