A directory of useful objects found on the web for teaching Maths.

Sub-topics: AC9M7N01 describe the relationship between perfect square numbers and square roots, and use squares (2) AC9M7N02 represent natural numbers as products of powers of prime numbers using exponent notation (19) AC9M7N03 represent natural numbers in expanded notation using place value and powers of 10 (0) AC9M7N04 find equivalent representations of rational numbers and represent rational numbers on a num (15) AC9M7N05 round decimals to a given accuracy appropriate to the context and use appropriate rounding (1) AC9M7N06 use the 4 operations with positive rational numbers including fractions, decimals and perce (15) AC9M7N07 compare, order and solve problems involving addition and subtraction of integers (6) AC9M7N08 recognise, represent and solve problems involving ratios (5) AC9M7N09 use mathematical modelling to solve practical problems involving rational numbers and perce (6)