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Ten Minute Math

Ten Minute Math . William’s father is a truck driver who has driven 1,741,253 miles over a twenty-year period. How is this number written in word form? One billion, seven hundred forty-one thousand, two hundred fifty-three One million, seven hundred forty-one thousand, two hundred fifty-three

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Ten Minute Math

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  1. Ten Minute Math William’s father is a truck driver who has driven 1,741,253 miles over a twenty-year period. How is this number written in word form? • One billion, seven hundred forty-one thousand, two hundred fifty-three • One million, seven hundred forty-one thousand, two hundred fifty-three • Seventeen million, forty-one thousand, two hundred fifty-three • One hundred seventy-four thousand, two hundred fifty -three

  2. Ten Minute Math In his science class, Alex and his group members boiled a mixture of salt and water. After the water evaporated, the mass of the salt remaining was 0.30 kilograms. Which shaded area of the decimal model represents the mass of the salt? A. B. C. D.

  3. Ten Minute Math Daniel has 3 one-dollar bills, 1 five-dollar bill, and 2 ten-dollars in his wallet. Which is a possible combination if Daniel takes 4 bills from his wallet? A. C. B. D.

  4. Ten Minute Math Look at the group of number pairs below. 4 and 24 7 and 49 8 and 16 2 and 12 Which of the following number pairs could belong to this group? • 3 and 16 • 9 and 36 • 5 and 54 • 6 and 21

  5. Ten Minute Math These are gibbitts. U O M H A Which of the figures below is a gibbitt? • B • Z • X • N

  6. Silhouettes

  7. Silhouettes • What is a silhouette? • How is it produced?

  8. Silhouettes • What is this shape? • That’s right...it’s a cube! • If I was to place this cube under the Elmo and shine the light on it, what kind of silhouette would it cast? • Draw your prediction on the desk.

  9. Silhouettes Did you draw this shape? If you did, then you drew the correct shape.

  10. Silhouettes • What is this shape? • That’s right...it’s a cylinder! • If I was to place this cylinder on one of its faces under the Elmo and shine the light on it, what kind of silhouette would it cast? • Draw your prediction on the desk.

  11. Silhouettes Did you draw this shape? If you did, then you drew the correct shape.

  12. Silhouettes • If I was to place this cylinder on its curved side under the Elmo and shine the light on it, what kind of silhouette would it cast? • Draw your prediction on the desk.

  13. Silhouettes Did you draw this shape? If you did, then you drew the correct shape. If not, why do you think the cylinder created a rectangle shape when it was laid on its side?

  14. Silhouettes Many solids make more than one silhouette. Can you find a solid that will make different silhouette depending on where the light is positioned with respect to the solid? Describe the solid to a shoulder partner and show the different silhouettes it creates on your desk.

  15. Interactive Math http://www.fi.uu.nl/toepassingen/00208/toepassing_wisweb.en.html

  16. Group Practice • Look at Student Activity Sheet “Silhouettes of Geometric Shapes”. • Look at each shape and determine where if it makes a triangle, circle, rectangle, etc. • Remember, you each 3D shape could fit into several different silhouettes.

  17. Independent Practice • Pass out Don’t Block My Shadow and Landscape 1 worksheets.

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