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# 356indicatorpowerpoint

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### 356indicatorpowerpoint

1. 1. Using Whole Numbers<br />By: Tara Spradley<br />Indicator Project<br />
2. 2. Science Standard 2 Scientific Thinking<br />Standard 3.2.1: Add and subtract whole numbers mentally, on paper, and with a calculator<br />Taken From<br />http://dc.doe.in.gov/Standards/AcademicStandards/StandardSearch.aspx<br />
3. 3. Definitions<br />Add-the process of uniting two or more numbers into one sum, represented by the symbol +.<br />Subtract-Mathematics. to take (one number or quantity) from another; deduct.<br />Whole number-Also called counting number. one of the positive integers or zero; any of the numbers (0, 1, 2,3…).<br />Taken From <br />http://dictionary.reference.com/browse/whole+number<br />
4. 4. Background infromation<br />Whole numbers are the numbers you learned when you were first learning to count - one, two, three, four, five and so on, all the way up to billions and trillions and past that. In addition, zero is a whole number, and so are all the negative numbers: minus 1, minus 2, and so on. There are an infinite number of whole numbers, running along the number line in both directions.<br />When we measure objects we can round to whole numbers to get an idea or how long the object is.<br />We can add and subtract small whole numbers in our head, and also on paper, for larger whole numbers we can use a calculator.<br />
5. 5. Activity<br />Use the tape measure provided to measure the length of the following objects around your classroom.<br />Round to the nearest whole number to get the measurement of the objects.<br />Measure the:<br /><ul><li> The length of the chalkboard
6. 6. The width of your school desk
7. 7. The length of a pencil
8. 8. The length of your science book
9. 9. The length of your own Shoe
10. 10. The width of the classroom door
11. 11. The width of your chair</li></li></ul><li>Activity<br />Write down the measurements of each item on the chart given.<br />