Practice time! Build, read, & write three-digit numbers using base-10 blocks and symbols. Practice time! Build, read, write (in standard and expanded form), and represent three-digit numbers using ...

But 28 × 10 6 is not in standard form, as the first number is not between 1 and 10. To correct this, divide 28 by 10 so that it is a number between 1 and 10. To balance out that division of 10 ...

Revise standard form for your maths GCSE foundation and higher exams with Bitesize interactive practice quizzes covering feedback and common errors.