Equivalent fractions is an important topic in grade 5 math, because before you can learn to add unlike fractions, you have to know about equivalent fractions.

To SEE what equivalent fractions are all about simply split existing pieces into new ones in any visual model of a fraction. For example, if you have 4/5 and you split (cut) each of the 4 slices in 2, you will have 8 slices. Imagine also splitting the 5th uncolored part in two to see that now there are a total of 10 pieces instead of 5. So, 4/5 = 8/10.

This is really handy to show using an arrow notation (see the video). For example, the x4 next to the arrows signifies that the numerator and the denominator get multiplied by 4, because there are now four times as many colored pieces and four times as many pieces in total.

After practicing with visual models, students can go on to abstract problems.

This method is also taught in my book Math Mammoth Fractions 1: http://www.mathmammoth.com/fractions_1.php - available for an instant download for $3.50, and in Math Mammoth Grade 5 complete curriculum at http://www.mathmammoth.com/complete/grade_5.php

Tagged under: Fraction (Literature Subject),equivalent fractions,grade 5,math,Fifth Grade (Grade Level),Mathematics (Field Of Study),5th

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