What you need to know
Check yourself against these “I can” statements.
- I can round numbers to a given number of significant figures
- I can estimate answers by rounding numbers to 1 significant figure
- I can work out fraction calculations with powers and brackets on the top and bottom in the right order
Practise this topic
2 resources⚙️ Worksheet
Rounding & Estimation
Nearest 10, 100 or 1000, decimal places, significant figures for big and small numbers, carrying through 9s, then estimating: varied calculations, powers and roots, dividing by a decimal, and a toughest level, with a hint button.…
⬢ BlockbustersRounding & Estimation Blockbusters
Blockbusters with the questions from the Rounding & Estimation worksheet: choose its levels for the ordinary hexagons and for the harder ★ ones. Show the answer and the worked solution, or play against the computer with multiple…
These are the pages for Calculating and Estimating in the Year 7 scheme of work, following Pearson Edexcel Maths Progress Delta 1. Open this topic in Mr Wells Maths to see it alongside the rest of the course.