
PerimetersSome of the 330 modules available in the educational software products. Many of the modules allow you to vary the number sets used to further change difficulty levels. Download a 21 day free trial version. Or better still, purchase this educational software today.Purpose The student needs to work out distances and lengths of a group of houses. Functionality A random block of houses is displayed and dimensions are given relating to block sizes. Questions are asked about certain lengths and the student needs to complete all the ‘Answer Boxes’ before pressing the ‘OK’ button to check and proceed with the next question. Keys Use the ‘Enter’ key to move from one answer box to the next and then to the ‘OK’ button when finished. Alternatively use the mouse to move between ‘Answer Boxes’. General Other associated modules with similar functionality include add across and down, adding 2 numbers, adding volumes, addition to 20, card addition, crossword addition, dice addition, volume challenge, subtraction to 20, subtracting 2 numbers. Other common terms are addition, addition of numbers, mathematics addition, adding numbers, number sums, multiplication, tables, maths tables, times tables, number tables. 

