After years of experiments, you’ve finally created the pets of the future – nano-rabbits! They’re tiny, they’re fuzzy ... and they multiply faster than the eye can see. But a rival lab has sabotaged you, threatening the survival of your...

Pupil outcome: I can round decimals to a required number of significant figures. Key learning points: - Numbers bigger than 1 with decimals places can be rounded to significant figures. - When working with numbers smaller than one it is...

Pupil outcome: I can round integers to a required number of significant figures. Key learning points: - The first non-zero digit of a number is the first significant figure. - Once the first significant figure is identified you can find...

Pupil outcome: I can divide the numerator of a fraction by its denominator and know that this results in an equivalent recurring decimal. Key learning points: - Dividing the numerator by the denominator may result in an equivalent...

Pupil outcome: I can describe one number as a percentage of another. Key learning points: - Percentages can be written as a fraction out of 100 - One number can be written as a fraction of another. - Using equivalent fractions this can...

Are you always getting points marked off because your answer does not have the correct number of sig figs? Sig Figs are an important part of every high school and college science course. In this video, we dive in to the 4 rules that tell...

From the section: Doing a Lot with Very Little. In this section, we will explore some problems that look difficult to solve efficiently at first sight. You might think that they require some advanced logic or data structures, but...

From the section: Tree-Based Data Structures. In this section, we will go over a few robust tree-based data structures, that are indispensable for efficiently solving various query-related problems.



In this video, we...

This program covers the very important topic of significant figures in chemistry calculations. It is important to understand that the number of decimal places in the calculated answer to a problem should take into account how many...

Express rational numbers as repeating decimals.

Understand placeholders and trailing zeros in decimal numbers.

In this video, we will explore the following:

1) How to determine the number of significant figures in a nu
mber.
2) How do Add and Subtract, while answering with the correct number of significan
t figures.
3) How do...