What are X and Y?
Why there are letters in maths: x and y are just numbers in disguise.
Watch on YouTube ↗ALGEBRA VIDEOS
← All video topicsWatch and learn
Algebra
Substituting into Expressions
Swap a letter for its value and work out the answer.
Coming soon to YouTube
Multiplying and Dividing by 10, 100 and 1,000
Slide digits along the place value chart instead of adding zeros.
Coming soon to YouTube
More videos on the Skills421 YouTube channel ↗