Number in Pictures Book 2 is the second book in the series, using pictures with supporting text, worked examples and review questions. Covering the four rules for negative numbers. Rounding off to a given degree of accuracy, and the limits of accuracy for continuous quantities including areas and speeds. Number patterns including arithmetic and geometric progressions, Pascal’s triangle and the Fibonacci sequence. Squares and square roots, cubes and cube roots. Positive, negative and fractional indices. Standard index form, arithmetic in standard form and finally estimating.
There is a glossary. The review questions require iOS 10 or higher.