Get your students explaining estimations and measurements of liquid volumes and masses of objects! Use this lesson independently or alongside Estimating Measurements of Mass and Volume Using Metric Units.

Teach your students to add mixed numbers and improper fractions with the same denominator using the counting up strategy with number lines.

Are you careful, caring, or careless? A suffix is a word part that changes the meaning of a word. Use this lesson with your students to teach them how to determine word meaning based on their understanding of the meaning of common suffixes.

In this interactive lesson that includes the use of clock manipulatives, students will discover that addition goes beyond straightforward addition problems. Finding the elapsed time is easy with addition!

A line, an arrow, and a simple rule are all that separate students from rounding success. This lesson will give young mathematicians an engaging overview of place values and rounding.

Word problems can be overwhelming to students, but if they have a tool to help them, they can handle it! Use this as a stand alone lesson or alongside Stepping Through Addition and Subtraction Word Problems.

Teach your students how to reflect upon the information in multiplication and division word problems before solving them. Use this lesson on its own or as a pre-lesson to Stepping Through Multiplication and Division Word Problems.