CK-12 Foundation
Points that Partition Line Segments: Cutting a Log
Teach ratios of line segments using an interactive approach. Scholars examine a line segment in the shape of a log and use their knowledge of ratios to divide it into various partitions. As an introductory lesson, the segment has a...
Curated OER
Same Shape and Size
Can your kindergartners recognize shapes? What about when they are in different orientations? Youngsters study groups of shapes to determine which have the same shape and size. Two of the groups have triangles and ovals, and the other...
Curated OER
Soil Testing and Measurement
Students prepare their garden plot. In this gardening lesson, students use the Internet or book on plants to make sure the plants they have selected will be able to grow in their garden. The students assess and mark out the garden...
Curated OER
Geo Jammin' - Day 2, Lesson 4: Sing a Song of Shapes
Students learn five songs to define and develop understanding of the attributes of two- and three-dimensional figures and the meaning of mathematical terms. They classify objects as either two- or three-dimensional, through the use of...
Curated OER
Geo Jammin' - Day 1, Lesson 3: Math Moments on My Mind
Second graders write a Math Moments journal.
Curated OER
Geo Jammin' - Day 6, Lesson 20: Hail, Hail, the Gang's All Here
Students use shape puppets to review geometry content. They take turns singing songs, reading students poems, reciting class bulletin board notes and choral poems. They prepare for their summative assessments through play and interview...
Curated OER
Geo Jammin' - Day 4, Lesson 13: Where, Oh Where, Can the Geo Be?
Students listen to a story "My Crazy Dream" with an intent to identify shapes in ordinary objects. They raise their hands when they've heard an object whose shape they can identify. They discuss their findings.
Curated OER
Teaching Arithmetic and Math Concepts to Headstarters
Students discover early number concepts for numbers 1 through 5. In this number concepts instructional activity, students work in stations doing hands-on activities such as sorting colored blocks, stringing beads, and counting sticks....
Curated OER
The Designed World
Students manage and retrieve numbers and letters that are logically sorted. In this logical information lesson, students do the flood game from the PBS website. Students answer questions about library books.