Showing Results for standard algorithm

In this lesson, students will add three-digit numbers using expanded form addition and standard algorithm addition. They'll explain their answers and highlight the steps for each of the strategies.

This lesson introduces students to measuring and estimating liquid volume, using liters (l) as the standard unit of measurement.

Verbs are the only kind of word that have tenses. Some of them are standard and easy to learn, while others are irregular and tricky. This lesson will review verb tense changes that follow the regular pattern and those oddballs that don't.

Help your students subtract with confidence by sharing two different strategies. Use this lesson to build on students’ understanding of subtraction and to evaluate this key skill.

Teach your students to confidently follow the steps of regrouping in subtraction problems. Use this as a stand alone lesson or alongside Regrouping with Popsicle Sticks: Double-Digit Subtraction.

In this lesson, students will learn the term "troubleshooting" and practice solving problems using both tangible and virtual tools.

Use this lesson to help your students learn about partitioning shapes into parts with equal areas. Students will explain rectangular shape area in fractions of a whole.