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Upcoming Events
Math Enrichment
Debby Durham
WEST ROWAN MIDDLE
Zip Code: 28147
Contact Debby DurhamPage Last Updated Sep 01, 2011
Number of Visits: 217
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Math Enrichment  Welcome to Mrs. Durham's webpage! We are in a brand new school year! What a privilege it is to come to school every day! :-) Being assigned to Math Enrichment helps prepare your child for the End-of-Grade testing. Math Enrichment gives your child an extra opportunity in a small group setting to improve math skills. Part of the time is spent working on Compass, a computer-based program, which is designed to address the specific areas of need unique to individual students. The other part of the class time is teacher-instructed learning doing a lot of small group/partner work. The more effort given, the more benefit the student receives. Included on this page are helpful tools for various topics. Also, students and parents can find math activities by clicking on the various links provided.
Please help your son/daughter remember to bring paper, pencil, and planner to class every day. I am looking forward to working with your child and those who support education! Mrs. Debby Durham Helpful Hint for Solving Proportions The steel used to make the Statue of Liberty weighs approx. 125 tons. How many pounds of steel were used? First, turn the information given into a conversion problem. 125 tons = ______ lbs Now, put this information into a ratio. 125 tons / ? lbs Next, create an equivalent ratio using what you already know about pounds and tons. 125 tons / ? lbs = 1 ton / 2,000 lbs Then, cross-multiply and use variable expressions to find the missing number. 125 tons *2,000 lbs = 1 ton * ? 250,000 lbs = ? 250,000 lbs of steel were used to create the Statue of Liberty. Converting fractions into decimals top number (numerator) divided by bottom number (denominator) ex. 2/5 = 2 divided by 5 = .4 Converting decimals into percents move the decimal two places to the right ex: .4 = 40 % .175 = 17.5 % Turning percents into decimals move the decimal two places to the left ex: 63 % = .63 14.3 % = .143 Turning percents into fractions move the decimal two places to the left. Next, write the fraction as you would read the decimal, including place value. ex: 23 % = .23 = 23/100 reduce the fraction to it's simplest form. Adding Integers Move to the right on the number line to add a positive number. Move to the left on the number line to add a negative number. Subtracting Integers Move to the left on a number line to subtract a positive number. Move to the right on a number line to subtract a negative number. Multiplying Integers positive times positive = positive negative times negative = positive one of each sign = negative Dividing Integers positive divided by positive = positive negative divided by negative = positive two different signs = negative Formulas for Area, Circumference, and Volume Area of a rectangle = L x W Area of a parallelogram = b x h Area of a triangle = 1/2x (bxh) Area of a circle = pi x r2 Circumference = pi x d or 2 x pi x r (pi = 3.1415927... rounded to 3.14) Volume of a rectangular prism = L x W x H Volume of a triangular prism = B x h (B = area of base, h= height of prism) to find area of base, use formula for area of a triangle. |
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