Curated OER
Buggy Patterns
First graders discuss the definition of patterns, and sing the song, Going Buggy, identifying patterns in the song. They create original patterns using bug counters and insect stickers.
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Understanding Computer Images
Ninth graders explain differences between bitmapped images and vector images. They calculate pixels and transpose the raw file size to bits, bytes, and kilobytes. They compare formats for displaying images on a Web page.
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Pascal's Triangle
Students study Pascal's triangle. They construct their own version of Pascal's triangle, and relate some of the uses for it. While working through this process, students practice their integer multiplication and division skills.
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Adding and Subtracting Fractions
Second graders use blocks to show the addition and subtraction of fractions with common denominators. They identify the steps in these functions and complete a worksheet.
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Fraction Clocks
First graders use a clock to practice telling time and using fractions. They review the different parts of the clock and play a game using time. They help each other with telling time.
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Symmetry Collage
First graders, in groups, studying symmetry, compose collages and bulletin boards.
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Multiplying by 3
Second graders practice the multiples of three as an introduction to multiplying by three.
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Fishing For Fun
Second graders categorize fish crackers into groups by color and compare the two groups using the symbols <, =, and >. They use concrete objects to solve number sentences with equalities and inequalities.
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Algebra Wizards
Second graders are exposed to algebraic thinking by exploring the concept of a variable. They tell how many years have passed since they've seen a favorite teacher and then examine how they arrived at this number. They write equations.
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Travel Time
Students use a migration map to estimate the distance traveled by a bird while migrating south. After calculating accurate estimates of the distance traveled, students compare the distances traveled with the amount of time elapsed.
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Ants in Your Pants
First graders read "One Hundred Angry Ants" by Elinor Pinczes. They identify various sums that equal ten and display them on a chart.
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Snuggle Up To Pattern Blocks
Students view and discuss a video about the use of pattern block shapes to form pictures. They, in groups, form garden and quilt designs using pattern blocks and then decorate the room with their art.
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Equivalent Fraction Munch with Pizza Pie
Young scholars demonstrate fractions and mixed numbers using concrete pictorial models of pizza. They relate symbols to the models.
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Pythagorean Theorem
Students explore how the Pythagorean Theorem works and how to apply it.
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Unexpected Answers
Students consider probability problems with unexpected and surprising answers.
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Box Plots
Students review the concept of median, explore how to calculate quartiles for any size data set and experience how to build a box plot.