Lesson objective: Use a number line to compare decimals.

This lesson helps to build procedural skill with decimal comparison. Number lines are used here because it shows the relationship between place values and different decimals. This work develops students' understanding that decimals are numbers that can be compared.

Students engage in Mathematical Practice 7 (Look for and make use of structure) as they use number lines to help them make sense of and compare decimals to the thousandths place.

**Key vocabulary:**

- compare
- decimal
- equal to
- greater than
- hundredths
- less than
- number Line
- place value
- tenths
- thousandths

**Special materials needed:**

- paper with blank number lines