Our math journey starts with fractions, percents, and ratios in everyday contexts. Interactive problems and intuitive visuals will help you see numeric quantities and their relationships in a new light.
By revisiting topics ranging from fractions and number lines to geometric shapes and area, you will reinforce the foundations of your mathematical knowledge and sharpen your problem solving strategies.
Break up and rebuild numbers using powers of ten.
Discover the power of exponential growth.
Explore a powerful new way of representing quantities large and small.
Geometry is a way of thinking — sometimes a new perspective can save a calculation.
Slice and dice to make reasoning about shapes more intuitive.
How many cubes do we need to build a cylinder?
Use geometric figures to think strategically about arithmetic.
What order do calculations happen — and does it matter?
Why use letters in the place of numbers?
Work out the value and meaning of expressions when letters take the place of numbers.
Learn to sum 100 numbers at a glance with this one simple trick.
See the composition of numbers in a brand new light.
Find the patterns and you'll be able to solve these problems.