35 78 numerator denominator

Fractions can be written in both fraction and decimal form. Fraction Decimal One place past the decimal means the number is over 10, 2 places past means over 100, etc.

Using a calculator, write the following fractions as a decimal: What patterns do you see?

Using your pattern from the previous slide, predict the decimal forms of the following fractions: Then, use a calculator to check your predictions.

Using a calculator, write the following fractions as decimals and be ready to discuss the patterns you see: Use your patterns to predict the fraction form of these decimals: … …. What do you notice about the last digit in the calculator display?

A decimal with a definite number of decimal places.

… … … Some digits in each repeating decimal repeat forever. We draw a bar over the digits that repeat = 0.12 Pizazz C-72

Divide the numerator by the denominator = ÷

Find a number that will divide evenly into BOTH the numerator and denominator. 14 ÷ 14 = 1 84 ÷ 14 6 It is important to keep checking to see if you can reduce the numbers further until you no longer can come up with a whole number. Pizazz C-27 and C-28

Make your denominator (bottom number), equal to 10, 100 or Example: 3 = x 20 x Remember, what ever you do to the denominator you must do the same to the numerator Text page