Crateclass

Year 7 · Mathematics and statistics · Number

Powers of 10 and expanded form

Reading, writing and comparing large whole numbers using powers of 10, exponents and expanded form.

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Everything for this topic in one place

  • 3D lesson: Powers of 10 and expanded form — Build 1, 10, 100 and 1000 from 3D place-value blocks, slide digits along a place-value chart, and write big numbers in expanded form with powers of 10.
  • Teacher presentation — slides to put on the projector.
  • Worksheets at three levels — Tūī (support), Kererū (core) and Kea (extension), each with an answer key on the last page.
  • Online practice — assign it to your class in the Crateclass classroom and the results come back by themselves.

Written for Te Mātaiaho, Phase 3 (Years 7–8), with New Zealand places, money and native birds.

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See a full 3D lesson, a game and printable worksheets with no account on the free samples page. Teachers who sign up by 18 December 2026 get everything free until 9 April 2027.

More Year 7 maths topics

Primes, factors, HCF and LCM · Integers · Rounding, estimation and order of operations · Fractions, decimals and percentages · Proportional reasoning, percentages and money · Algebraic notation and equations · Linear patterns and the coordinate plane · Perimeter, area and volume formulae · Triangles and angles in polygons · Transformations, nets and compass points · Statistical investigations, averages and graphs · Experimental and theoretical probability

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