CBEHub

← 1.4 Squares and Square roots

Squares and roots on a calculator

Mathematics · Grade 8 · about 40 minutes

Using the square and root keys, knowing which order your calculator wants, and rounding the answer once at the end.

Sign in to read this lesson

Lessons are for learners and teachers with an account. Browsing the curriculum — subjects, strands and what each sub-strand covers — stays open to everyone.

  • 7 sections of explanation, worked examples and diagrams
  • 1 practice task with hints and worked answers
  • A quiz that marks itself as you go
  • Your progress kept across every subject you take
Sign in Create an account

Other lessons in this sub-strand

  1. What squares and square roots are
  2. Squares from mathematical tables
  3. Square roots from mathematical tables
  4. Squares and roots on a calculator
  5. Estimating a square root
  6. Squares and roots in real life