Packed with appealing activities, this colourful workbook will help children develop their times tables knowledge, focusing on the 7, 9, 11 and 12 times tables.więcej »
The friendly animal characters in this fun workbook will help children understand the value of each digit in a number (place value) and provide practice in adding and subtracting 2-digit and 3-digi...więcej »
This book introduces the reader to the niceties of samples (random or stratified random), averages (mean, median or modal), errors (probable, standard or unintentional), graphs, indexes and other t...więcej »
What makes a bridge wobble when it's not meant to? Billions of dollars mysteriously vanish into thin air? A building rock when its resonant frequency matches a gym class leaping to Snap's 1990 hit ...więcej »