Rounding Off (Grade 10 NSC Matric Mathematics): Quizzes

📚Quizzes
Rounding Off
Sign up to keep practising.Create a free account to play more quizzes and track your progress.

Practise the questions

10 questions from this quiz

Show

What is rounding off?

Approximating a number to fewer d.p.

When should you round up?

When deciding digit is 5 or greater

When should you round down?

When deciding digit is less than 5

What is the 'deciding digit'?

Digit immediately after target d.p.

What happens when a 9 needs to round up?

9 becomes 0 and carry over 1 left

Round 2.65252722.6525272 to 3 decimal places.

2.6532.653

Round π=3.141592653...\pi = 3.141592653... to 4 d.p.

3.14163.1416

What must you do before rounding a fraction?

Convert it to decimal form first

Round 2.789745262.78974526 to 3 decimal places.

2.7902.790

Which digits trigger rounding up?

5, 6, 7, 8, or 9

Join 100,000+ NSC Matric students studying Quizzes with us.

Select your subjects, and get access to A+ resources today.