Year 8 · Mathematics and statistics · Number
Powers of 10 and negative exponents
Positive and negative powers of 10, decimals in expanded form with exponents, and comparing and ordering numbers written as powers of 10.
Everything for this topic in one place
- 3D lesson: Powers of 10 and negative exponents — Shrink place-value blocks by ÷ 10 to meet negative powers of 10, write decimals in expanded form with exponents, and compare tiny measurements.
- 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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More Year 8 maths topics
Prime factors, square and cube roots · Negative numbers and order of operations · Multiplying fractions and fractions of amounts · Percentages and ratio · Budgets, discounts and finance plans · Linear equations and inequalities · Expanding, simplifying and factorising · Triangular, square and cube number patterns · Area, volume and unit conversions · Angles with parallel lines and circles · Transformations, enlargement and map scales · Statistical investigations, outliers and skew · Tree diagrams and probability experiments