Some fractions can be made 'simpler'. Simplifying means that the numerator and denominator can be smaller numbers. But the overall value of the fraction is not changed. Complete this interactive ...

When adding or subtracting fractions, you need to look at the denominator. If the denominator is the same, then you can just add or subtract the numerator. If the denominator is different, then you ...

From fractions and decimals to distance and time, the humble-but-versatile number line can deepen students’ understanding of ...

Want to help your fifth-grader master math? Here are some of the skills your fifth-grader will be learning in the classroom. Explain or illustrate how you solved this problem. Tip: Highlight ...