Upper and lower bounds
Apply upper and lower bounds to calculations involving measurements and truncation
What you'll learn
- 1
Imagine you're weighing a bag of flour. The scales show 500 g, but it could be a tiny bit more or less — that's the idea of bounds!
- 2
If a bag says '500 g' but is rounded to the nearest 10 g, what's the smallest it could really be?
- 3
Drag the slider to show the range of possible actual weights for a 500 g bag rounded to the nearest 10 g.
- 4
A bottle says '1 litre' rounded to the nearest 0.1 litre. What are the upper and lower bounds?
- 5
A length is 12 cm, rounded to the nearest cm. What is the upper bound?
- 6
A box of chocolates says '200 g' rounded to the nearest 5 g. Show the lower bound on the scale.
- 7
A car's speed is 60 mph, rounded to the nearest mph. Which is the correct lower bound?
Practise Upper and lower bounds with Whizlo
Free AI-tutored lessons, unlimited practice questions, and progress tracking for ages 14–16. Aligned to the UK National Curriculum.