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Fractions. A fraction is a number that names an equal part of a whole. fraction (fracción) numerator (numerador) denominator (denominador) equivalent fraction (fracción equivalente). Vocabulary.
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Fractions A fraction is a number that names an equal part of a whole.
fraction (fracción) numerator (numerador) denominator (denominador) equivalent fraction (fracción equivalente) Vocabulary
The numerator is the number above the bar in a fraction. It tells how many of the equal parts of the whole or group are being considered. The denominator is the number below the bar in a fraction. It tells the total number of equal parts. 34 three-fourths
Shaded parts Equal parts in a whole 1 2 3 5 3 parts shaded 1 part shaded 2 equal parts 5 equal parts
58 five-eighths =
452163 8 10 5 3 9 5 What is the numerator in the following fractions? What is the denominator in these fractions?
Jose has three pencils. He sharpened one pencil. What fraction represents the sharpened part of the group? How many are in the whole or group? (denominator) 1 3 How many are in the part we are talking about? (numerator)
Equivalent Fractions Whole Halves Thirds Fourths Fifths Sixths Eighths Ninths Tenths Twelfths
Activities • http://illuminations.nctm.org/mathlets/fractionpie/ • http://www.gamequarium.com/fractions.html • http://matti.usu.edu/nlvm/nav/frames_asid_105_g_2_t_1.html equivalent • http://matti.usu.edu/nlvm/nav/frames_asid_104_g_2_t_1.html name the fractions
Marcelo has a bag that contains 3 red, 1 blue, 6 green, and 2 yellow marbles. What fractional part of the bag of marbles isred? 1/12 2/12 3/12 6/12 RRR B GGGGGG YY
Which point best represents 40 on the number line? A B C D A B C D 16 64 72 80 Review Vocabulary