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Percentages, Decimals, & Fractions 5 th Grade Mathematics By: Rebecca Farrell Click the arrows to go to the Main Menu.

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Presentation on theme: "Percentages, Decimals, & Fractions 5 th Grade Mathematics By: Rebecca Farrell Click the arrows to go to the Main Menu."— Presentation transcript:

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2 Percentages, Decimals, & Fractions 5 th Grade Mathematics By: Rebecca Farrell Click the arrows to go to the Main Menu.

3 Click on each math operation to learn about them: Percent Fraction to Percent Percent to Fraction Decimal to Percent Percent to Decimal Review Question Fraction to Decimal

4 Percent  Percent means “parts per a hundred”.  Shown with the symbol %.  The whole of something is always 100%. Example: 34 is what percent of 92?  Divide 34 by 92 and multiply that answer by 100.  Round the number according to the directions (nearest whole number).  34÷92 x 100 = 37% Click to return to the Main Menu.

5 Fraction  Represents parts of a whole or equal parts.  A fraction consists of a numerator (the top number), a fraction bar (that separates the two numbers), and a dominator (the bottom number). Examples: 3, 1, 5 4 2 6 Click to return to the Main Menu.

6 Decimal  Based on the number 10.  Contains a decimal point.  Can move the decimal point to both the left and right to make the number smaller or larger. Click to return to the Main Menu.

7 Fraction to Percent  Divide the numerator by the dominator.  Multiply the answer by 100.  Round the number according to the directions (nearest whole number). Example: Convert 5/7 to a percent. 5÷7 x 100 = 71% Click to return to the Main Menu.

8 Percent to Fraction  Remove % sign.  Make a fraction with the percent as the numerator and 100 as the dominator.  Reduce if needed. Example: Covert 64% to a fraction. 64 = 16 100 25 Click to return to the Main Menu.

9 Decimal to Percent  Multiply decimal by 100.  Add a percent sign after the answer. Example:.36 x 100 = 36%.584 x 100 = 58.4% Click to return to the Main Menu.

10 Percent to Decimal  Divide the percent by 100.  Simplify answer if necessary. Example: 41% ÷ 100 =.41 26.9% ÷ 100 =.269 Click to return to the Main Menu.

11 Fraction to Decimal  Divide the numerator of the fraction by the denominator.  Round the answer according to the directions. Examples: (Round to nearest tenth.) 4/9 = 4 ÷ 9 = 0.4 6/8 = 6 ÷ 8 = 0.75 = 0.8 Click to return to the Main Menu.

12 Review Question  Convert 7 to a percent. 21 A. 0.333 % 0.333 % B. 300 % 300 % C. 33.3 % 33.3 %

13  0.333% is not correct.  Did you forget to move the decimal place?  Why don’t you go back and try again.  Remember to check your math!! Return to question.

14  300% is not correct.  Did you divide upside down?  Why don’t you go back and try again.  Remember to check your math!! Return to question.

15 Correct  33.3% is correct!  Good job!!

16 Congratulations!!  You have completed the lesson on Percentages, Decimals, & Fractions.  Click on the image to return to the title slide for the next student.


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