This eBook, Number is a compendium of three other eBooks, Counting Practice, Addition and Subtraction Practice and Multiplication and Division Practice. The Counting Practice eBook introduces the subject of counting and the practice of counting, numbers from 0 to 999, place value, number lines, counting on and back, odd and even numbers, comparing and ordering, rounding, estimating, addition, subtraction, problem solving and using money. The Addition and Subtraction eBook introduces the subjects of addition and subtraction and its practice, numbers from 0 to 999, place value, number lines, counting on and back in 1s, 2s, 3s, 5s and 10s, counting sequences and patterns, addition, subtraction, number machines, number facts, number bonds, what’s the difference, adding three numbers and working with money. The Multiplication and Division eBook introduces the subjects of multiplication and division and its practice, numbers from 0 to 999, place value, number lines, multiplication, grouping, counting on 2s, 3s, 4s, 5s and 10s, division, sharing, dividing, number machines, doubling and halving, tripling and thirding, quadrupling and quartering. This eBook is part of our range of Grades 1 & 2 math eBooks that are aligned with the North American math curriculum. These eBooks comprise two principle sections, notably: •Number •Shape, Space and Measures The Number principle section has three individual modules. They are: •Counting Practice •Addition and Subtraction Practice •Multiplication and Division Practice The Shape, Space and Measures eBook is a principle publication, without any separate modules. As well as the above eBooks there is a Grades 1 & 2 Publications Guide eBook, a Grades 1 & 2 Times Table Practice eBook, a Grades 1 & 2 Mental Math eBook and a combined Grade 1 & 2 and Grades 3, 4 & 5 Times Table Practice eBook.