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Countdown Challenge: Similarity
In this similarity worksheet, students observe similar rectangles and determine the length of the diagonal. They use words, symbols and diagrams to solve the problem and explain the results. This one-page worksheet contains one...
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Countdown Challenge: Similarity
In this similarity worksheet, students use similar rectangles to find the length of a diagonal. They use symbols and write paragraphs to explain the problem. This one-page worksheet contains one similar problem with 13 related questions.
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Countdown Challenge: Area of Basic Shapes
For this basic shapes worksheet, students use formulas to determine the area of given figures. They compute the area of composite figures and subtract the area of shaded areas. This one-page worksheet contains 12 problems.
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Countdown Challenge: Tangrams
In this tangram worksheet, students find the area of each tangram shape. Afterwards, they name each piece and find the area of combined figures. This one-page worksheet contains approximately 25 problems.
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Countdown Challenge: Platonic Solids - Part I
Use a Platonic solids worksheet to record the number of faces, edges, and vertices of five polyhedra whose faces, edges, and vertices are all identical. For each figure, learners write a proof of Euler's formula (F+V=E+2). They create a...
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Countdown Challenge: Platonic Solids - Part II
In this platonic solid worksheet, students observe five solids and draw a net of each three-dimensional figure. Students examine a tetrahedron, an octahedron, an icosahedron, a cube, and a dodecahedron. This is a one-page worksheet.
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Countdown Challenge: Probability and You
In this probability worksheet, students explain how probability is a part of everyday life by discussing six different scenarios. Afterwards, they draw a picture of probability in their life. This one-page worksheet contains a total of...
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Countdown Challenge: Experimental Probability
In this probability instructional activity, learners compute the experimental probability of an event from given data. They give answers in fraction, decimal and percent form. Students compare the theoretical probability to the...
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Countdown Challenge: The Decimal Point
In this decimal point worksheet, students compare and contrast Stevin's decimal system to Napier's. They use Napier's system to calculate powers of ten. Students write numbers with various place values. This one-page worksheet contains...
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Countdown Challenge Symmetry
For this symmetry worksheet, students identify the lines of symmetry in given polygons. They match the number of lines of symmetry to the correct figure. This one-page worksheet contains seven problems.
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Albert Einstein Challenge
In this famous person activity, students answer 10 multiple choice questions about the life and times of Albert Einstein. They answer questions about his childhood, first jobs and scientific theories.
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Camping Challenge
In this camping worksheet, students identify camping objects by answering multiple choice questions. Students complete 10 multiple choice questions about camping.
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Bookworm's Delight Challenge
In this books worksheet, students answer multiple choice questions about popular children's books. Students complete 10 questions.
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Route 66 Challenge
In this Route 66 activity worksheet, students respond to 10 multiple choice questions that require them to exhibit the knowledge they have about the American highway.
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Connecticut First Challenge 2
In this Connecticut activity learning exercise, students respond to 10 multiple choice questions that require them to exhibit the knowledge they have of firsts in the state of Connecticut.
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Jellyfish Challenge
In this jellyfish activity worksheet, students respond to 10 multiple choice questions that require them to exhibit the knowledge they have regarding jellyfish.
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Iowa Challenge
In this Iowa worksheet, students answer questions about famous people and places in Iowa. Students answer 10 multiple choice questions.
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Delaware Challenge
In this Delaware worksheet, students answer multiple choice questions about Delaware's famous people, places, and history. Students answer 10 questions.
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Dental Health Challenge
In this dental health worksheet, learners read the 10 statements about dental health. Students then select the correct answer to complete the 10 exercises.
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Medieval Times Challenge
In this medieval times activity, students complete a set of 10 multiple choice questions about the time period. A reference web site for additional activities is given.
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Pennsylvania Firsts Challenge
In this Pennsylvania activity, learners answer multiple choice questions about history of Pennsylvania's firsts. Students answer 10 questions.
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Flag Day Challenge
In this Flag Day instructional activity, students read 8 clues pertaining to Flag Day. From four choices, students choose the answer that best matches each clue.
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Mississippi Challenge
In this state facts learning exercise, students read the statements about Mississippi. Students select the correct answer to complete the 10 statements.
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Ohio Challenge
In this Ohio history and facts activity, learners respond to 10 multiple choice questions that require them to exhibit what they know about the state.
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