Take a look at the mathematics involved in the story "One Grain of Rice". Included is a lesson plan, geared toward 2nd-grade math learners, about place value. A link to a quiz on the story is included.

Second graders explore numbers in a variety of ways to understand how to compare three-digit numbers based on an understanding of place value. This lesson includes an interactive number line video, samples of student work, and a...

Students get a hands-on, minds-on experience with counting, while also constructing an understanding of tens and ones. This lesson includes a detailed plan, a link to a song about teen numbers, a video showing students engaging in...

This complete lesson plan has students explore place value through word problems.

SWBAT identify and build numbers based on base ten language.

It is important to assess understandings of concepts that students have worked on before moving ahead with new concepts or higher level thinking.

This is a complete lesson with video instruction [5:49] and varied exercises about comparing decimals with 1 or 2 decimal digits.

[Free Registration/Login Required] Educators can generate worksheets for primary or elementary grades that focus on decimal addition, subtraction and fraction practice. Worksheets include graphics and answer key.