Pre-cut partitioned shapes and place them in resealable bags (one bag per student).Scissors, glue sticks, and math notebook.Sticky notes and pencils to label the rules for how the shapes were sorted.Construction paper for students to lay their shapes on when sorting.Bags of pre-cut partitioned shapes for the students to sort (see activity sheets).Large chocolate bar (or some other large object that can be divided and captures students’ attention).Whole, half, third, fourth, halves, thirds, fourths, quarters, partition, divide, equal, parts, shares, pieces I can partition circles and rectangles with two, three, or four equal shares, and describe the shares using correct vocabulary.I understand that partitioning a shape means dividing the whole shape into equal parts.Construct viable arguments and critique the reasoning of others. Explain that equal shares of identical wholes need not have the same shape.ģ.Describe the whole as two halves, three thirds, four fourths.Describe the shares using the words halves, half of, thirds, third of, fourths, fourth of, quarter of. NC.2.G.3 Partition circles and rectangles into two, three, or four equal shares. Students will also explore shapes that are partitioned into halves, thirds, and fourths. In this lesson students are introduced to the vocabulary associated with partitioning shapes into equal shares. Click the attachment to download the entire fully-formatted lesson and support materials.
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