Second graders record money amounts with decimal notation. In this money lesson, 2nd graders read and construct monetary amounts using decimals. Students work with calculators and discover the rules of decimals.

Students examine the attribute of equilateral triangles. For this equilateral triangle lesson, students examine a number of paper triangles to determine how they are classified. They determine how triangles are depicted in Navajo rugs.

Students subtract integers using counters. In this algebra lesson, students solve linear equations using an online tool. They use subtraction to isolate the variable.

Students search for and generalize an algebraic pattern. They make and analyze a coordinate graph.

Students participate in a game of Fraction Bingo. In this fraction lesson, students review equivalent fractions and use these skills to play Fraction Bingo.

In this understanding whole numbers worksheet, 4th graders use a computer program for instruction, then answer 16 problems about addition and subtraction.

First graders round to estimate greater sums. After a lecture/demo, 1st graders complete a web lesson on estimation. They practice rounding to the nearest hundred using a restaurant take-out menu.

Third graders estimate and measure the length of a whole color-segmented, candy gummy worm. Then, as students bite off each segment, they estimate, measure and record findings in an activity log.

Fourth graders make models of three-dimensional figures and then use these play dough figures to observe and count the vertices, edges, and faces of the figure.

Students read, write, and identify different coin combinations and use this information in real-world situations.

Learners explore line(s) of symmetry in polygons during a hands-on activity and a Student Web Lesson. They build a wall of symmetrical shapes designed and drawn by students.

Students create and classify different types of triangles using an online geo-board. They explore the concepts of similar and congruent as they discover how to draw similar and congruent triangles.

Students work with a partner to solve the real-world problem of planning a favorite meal given a specific budget. They review and practice estimation strategies to determine the reasonableness of calculations in a given situation.

Second graders explore the inverse relationship of addition and subtraction in a "hands-on" activity based on the fact families of ones, twos and threes.

Third graders use nonstandard concrete methods to estimate and record measurements of their body.

Students investigate methods of estimating through cooperative group activities, hands-on activities, the use of tables and graphs and an interactive video.

Students explore patterns in everyday life and in the mathematic world. They create various concrete examples of patterns and verbally describe these patterns to a fellow student.

Students examine uses for ordinal numbers in calendars, and an ordinal chart. They order ice cream cone cut outs from 1st to 20th and complete a worksheet. (not given)

Middle schoolers work as travel agents to plan an around-the-world trip to all of Hemingway's favorite world locations. They plan an itinerary which includes facets of the trip and record the information in their journals.

Students examine the relationship between three dimensions and two dimensions by working with shadows of cubes and other models. Students work in groups and use Zome System Creator Kits to try and build a shape other than a cube that...

Students explore how some tilings can display rotational and/or reflection symmetry in addition to translational symmetry. Students demonstrate how these tilings can be generated using either one of the symmetry concepts and Zome System...

Sixth graders analyze the Aztec calendar and create their own examples of them. They determine the meaning of the symbols used in the calendars and record their ideas in journals. Students host a parent breakfast for them to observe...

Students discuss the basics of poster productions. In groups, they follow written directions to make a poster about asthma, allergies, AIDS, or personal safety. They present their poster to the class and reflect on the process in a journal.

Students participate in monthly scaffolded lessons that focus on working with whole numbers from 1 to 10. They work with tiles on exploration mats, number tile mats, and a number representation book. Each month they complete activities...