# Geometry: Probability and Measurement

### Objectives:

• Students will review probability.

• Students will learn to find the probability that a point is contained on a line.

• Students will use a fraction to represent this probability.

• Students will practice this work in their independent work.

### Lesson Procedure:

Print the classroom lesson plan and worksheet questions (see below).

### Lesson Excerpt:

In our last few lessons, we have been learning about measurement and about calculating the measurement of line segments. Today, we are going to continue with this work, but we are going to be looking at probability and measurement. To better understand this lesson, let's flashback a bit and review probability.

P=(# of favorable outcomes)/(Total # of possible outcomes)

When we are talking about probability, we are talking about the likelihood that an event will happen. To determine this, we use this ratio or fraction. Remember that probability is often written as a fraction, or in fraction form.

Here you can see that we take the number of favorable or likely outcomes and put that over the total number of possible outcomes. This will give us a fraction that we can use to show the probability or the likelihood that an event will happen. Let's look at an example to show this.

Continued... ## Lesson Printables:

Print this printable worksheet for this lesson:

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