Add And Subtract Standard Form — Interactive Lesson (Ages 13–16)

By the end of this unit, students will be able to:

1. understand the concept of standard form and its application to representing large and small numbers;
2. convert numbers between standard form and decimal notation;
3. apply standard form to perform calculations involving very large or very small numbers.

Curriculum Alignment: Key Stage 4: Number

• interpret and compare numbers in standard form A x 10ⁿ 1≤A<10, where n is a positive or negative integer or 0

Designed for ages 13–16 (UK Year 9–11 / US 8th Grade–10th Grade). Aligned to the UK National Curriculum; adaptable to US state standards.