Rounding and Estimation (Extended Curriculum)
Introduction
Practice
Rounding Ten: Round the numbers to the nearest whole number or the given power of ten.
Rounding DP: A self marking exercise requiring students to round numbers to a given number of decimal places.
Rounding SF: A self marking exercise requiring students to round numbers to a given number of significant figures.
Rough Answers: An exercise on rounding values in a calculation to find an approximate estimate of the answer.
Upper and Lower Bounds: Determine the upper and lower bounds when rounding or truncating quantities used in calculations.
Rounding Snap: If the last card put down equals the previous card to the nearest whole number then all players race to shout SNAP!
Estimation Golf: Play a round of golf using your estimation skills rather than golf clubs.
Rounding: to whole numbers Video 276 Practice Questions Textbook Exercise
Rounding: to nearest 10 Video 277a Practice Questions Textbook Exercise
Rounding: to nearest 100 Video 277b Practice Questions Textbook Exercise
Rounding: to decimal places Video 278 Practice Questions Textbook Exercise
Rounding: significant figures Video 279a Practice Questions Textbook Exercise
Rounding: highest/lowest Video 280 Practice Questions Textbook Exercise
Number: estimation Video 215 Practice Questions Textbook Exercise
Sensible estimates Video 285 Practice Questions Textbook Exercise
Rounding to Decimals Places Practice Strips (Editable Word | PDF | Answers)
Rounding to Decimal Places Decode the Joke (Editable Word | PDF | Answers)
Rounding to Decimal Places Pixel Picture (Editable Word | PDF | Answers)
Rounding to Significant Figures Practice Strips (Editable Word | PDF | Answers)
Rounding to Significant Figures Pixel Picture (Editable Word | PDF | Answers)
Rounding to Significant Figures Practice Grid (Editable Word | PDF | Answers)
Rounding Crack the Code (Editable Word | PDF | Answers)
Estimation and Approximation Practice Strips (Editable Word | PDF | Answers)
Estimation Practice Grid (Editable Word | PDF | Answers)
Estimation Odd One Out (Editable Word | PDF | Answers)
Error Intervals and Bounds Practice Strips (Editable Word | PDF | Answers)
Upper and Lower Bounds Fill in the Blanks (Editable Word | PDF | Answers)
More Upper and Lower Bounds Fill in the Blanks (Editable Word | PDF | Answers)
Upper and Lower Bounds Decode the Joke (Editable Word | PDF | Answers)
Upper and Lower Bounds Odd One Out (Editable Word | PDF | Answers)
Calculating with Bounds Practice Strips (Editable Word | PDF | Answers)
Calculating with Bounds Practice Grid (Editable Word | PDF | Answers)
Calculating with Bounds Crack the Code (Editable Word | PDF | Answers)
Upper and Lower Bounds Revision Practice Grid (Editable Word | PDF | Answers)
N/A
Extension
Direct and inverse proportion - Median Don Steward
Physics in Proportion - Median Don Steward
Other Resources
Rounding
Rounding lessons - Boss Maths
Place Value Booklet, Slides and Activities - MathsPad
Rounding numbers code breaker - mathspad.co.uk
Rounding to powers of 10 - Don Steward
Rounding to different amounts - Don Steward
Simple rounding worksheets including number lines - Math Salamanders
Rounding Pixel Puzzle 1 and Puzzle 2 - MissBrookesMaths (corrections here)
Rich rounding tasks - blog post by Dan Draper
Significant Figures - Ashton Coward
Truncation (post and resources) - Jemma Sherwood
Rounding spiders - alutwyche on TES
Estimating
Estimating answers lesson - Boss Maths
Estimating powers and roots - Boss Maths
Estimation (Activity 6.4) - CIMT
Approximation - cazoommathsworksheets.com
Estimating Sums - Median Don Steward
Calculations - MissBrookesMaths
Calculations - Decimals - MissBrookesMaths
Estimation collect a joke - Dan Walker on TES
Estimating square roots - Mr Thompson on TES
Upper and Lower Bounds
Upper and lower bounds lesson - Boss Maths
Error intervals lesson - Boss Maths
Upper and lower bounds questions - The Chalk Face
Painting bounds - The Chalk Face
Error intervals exercises - @alcmaths
Upper and lower bounds - mathshelper.co.uk
Highest and lowest bounds - Median Don Steward
Errors Student Sheet (& notes) - Nuffield Foundation
Lesson plan: bounds and speed - Colin Foster
Bounds and Error Intervals - @dooranran on TES
Bounds lesson - Tick Tock Maths on TES
GCSE bounds teaching advice - J Morgan