1. Fractions A fraction is a number that names an equal part of a whole.

2. Vocabulary fraction (fracción) numerator (numerador) denominator (denominador) equivalent fraction (fracción equivalente)

3. The denominator is the number below the bar in a fraction. It tells the total number of equal parts. 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. 3434 three-fourths

4. Shaded parts Equal parts in a whole 3535 1212 1 part shaded 2 equal parts 3 parts shaded 5 equal parts

5. 5858 five-eighths =

6. 452163452163 What is the denominator in these fractions? What is the numerator in the following fractions? 8 105395

7. 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) How many are in the part we are talking about? (numerator) 1 3

8. Equivalent Fractions Twelfths Tenths Ninths Eighths Sixths Fifths Fourths Thirds Halves Whole

9. Activities http://illuminations.nctm.org/mathlets/fractionpi e/http://illuminations.nctm.org/mathlets/fractionpi e/ http://www.gamequarium.com/fractions.html http://matti.usu.edu/nlvm/nav/frames_asid_105_ g_2_t_1.html equivalenthttp://matti.usu.edu/nlvm/nav/frames_asid_105_ g_2_t_1.html http://matti.usu.edu/nlvm/nav/frames_asid_104_ g_2_t_1.html name the fractionshttp://matti.usu.edu/nlvm/nav/frames_asid_104_ g_2_t_1.html

10. Sample Questions

11. Which group shows less than 5/8 of the squares shaded?

12. Marcelo has a bag that contains 3 red, 1 blue, 6 green, and 2 yellow marbles. What fractional part of the bag of marbles is red? 1/12 2/12 3/12 6/12 RRR B GGGGGG YY

13. Which point best represents 40 on the number line? ABCDABCD 16 CBAD 647280 Review Vocabulary