TheLearnDen

Year 9 · Maths

Round Approximate Numbers Appropriately

Year 9 learners practise rounding numbers and upper and lower bounds.

The activities include Apply Knowledge of Upper and Lower Bounds, Estimate Calculations By Rounding to One Significant Figure, Find the Upper and Lower Bounds When Rounding Numbers, and related practice. The checked support below includes video, worksheet, teaching. Open a resource in its provider's website and choose the format that best helps the learner explain the idea independently.

Activities covered

  • Apply Knowledge of Upper and Lower Bounds
  • Estimate Calculations By Rounding to One Significant Figure
  • Find the Upper and Lower Bounds When Rounding Numbers
  • Practise Rounding to 1, 2 or 3 Significant Figures
  • Round to the Nearest Whole Number and to 1, 2 or 3 Decimal Places
  • Use Estimation to Solve Calculations
  • Use Upper and Lower Bounds in Calculations
  • Write Upper and Lower Bounds Using Intervals

Checked learning resources

  • Rounding integers to one significant figure

    Oak National Academy · Video · Opens on the provider website

    I can round integers to one significant figure. This KS3 maths video lesson directly teaches the concepts and calculation method required by "Estimate Calculations By Rounding to One Significant Figure".

  • Rounding decimals to significant figures

    Oak National Academy · Video · Opens on the provider website

    I can round decimals to a required number of significant figures. This KS3 maths video lesson directly teaches the concepts and calculation method required by "Practise Rounding to 1, 2 or 3 Significant Figures".

  • Rounding to any number of decimal places

    Oak National Academy · Video · Opens on the provider website

    I can round numbers to any number of decimal places. This KS3 maths video lesson directly teaches the concepts and calculation method required by "Round to the Nearest Whole Number and to 1, 2 or 3 Decimal Places".

  • Overestimating vs underestimating

    Oak National Academy · Video · Opens on the provider website

    I can determine whether calculations using rounding or truncating will give an underestimate or overestimate. This KS3 maths video lesson directly teaches the concepts and calculation method required by "Use Estimation t

  • Rounding and estimating

    BBC Bitesize · Worksheet · Opens on the provider website

    BBC KS3 maths teaching, worked examples and practice checks for Round Approximate Numbers Appropriately, including calculation. This was selected against the complete context of "Apply Knowledge of Upper and Lower Bounds

  • Estimation and rounding: lesson sequence

    Oak National Academy · Teaching · Opens on the provider website

    This KS3 Oak unit provides sequenced teaching and worked examples on Estimation and rounding.

  • The Maths Prof: Upper and Lower Bounds

    YouTube — The Maths Prof · Video · Opens on the provider website

    Understand and learn how to calculate upper and lower bounds. The first example explains what upper and lower bounds are. · The Maths Prof · 8 minute video

  • Upper And lower Bounds

    YouTube — Minity Maths · Video · Opens on the provider website

    This video explains how to calculate upper and lower bounds when a number has been rounded. Practice questions and answers at ... · Minity Maths · 3 minute video