Students learn how to solve problems with long multiplication and division using written methods. They use this knowledge to add, subtract, multiply and divide with fractions and mixed numbers. Finally, students learn the difference between terminating and recurring decimals and how to convert a recurring decimal to a simplified fraction.
How to introduce the sin, cos and tan trigonometric identities.
How to teach calculating the original amount after a percentage change.
The importance of the range when comparing comparing datasets.