Know what the difference is between experiment probability and theoretical probability.
Experiment probability: Actually doing the trails. Theoretical Probability: What you expect to happen.
Know how to write expressions or equations when you are given pictures.
Answer: 2c + 3 = 21
Mean - Add up all the values divide by how many values there are. Median - The middle number in a set of ordered values, might be the mean of 2 middle values. Mode - The value that shows up the most. Range - Positive difference between largest and smallest values. Outlier - Values that are to big or too small compared to the other values.
Make sure you know how to make addition statements for number lines!
4 x 3 + 12 ÷2 Check if there is any brackets, exponents, division, multiplication (left to right), addition, subtraction. 12 + 12 ÷2 BEDMAS, so division comes first. 12 + 6 Answer the rest. 18 So it should look like this,
And here's a link to help you on BEDMAS for any practice at all..