Speed Math for Kids: The Fast, Fun Way to Do Basic Calculations by Bill Handley

Author:Bill Handley
Language: eng
Format: mobi, epub
Tags: &NEW, Juvenile Nonfiction, Mental Arithmetic - Study and Teaching (Elementary), Science & Nature, General, Mental Arithmetic, Mathematics, Study and Teaching (Elementary), Arithmetic
ISBN: 9780787988630
Publisher: Jossey-Bass
Published: 2005-01-02T00:00:00+00:00

Fractions Made Easy

175

you simply add the numerators. For instance, if you wanted to add one-eighth plus two-eighths, you would have an answer of three-eighths. Th

ree-eighths plus three-eighths gives an answer of six-eighths.

How would you add one-quarter plus one-eighth?

1

+ 1 =

4 8

If you change the quarter to ⁄, then you have an easy calculation of ⁄ + ⅛

.

It is not diffi

cult to add ⅓

and ⁄. If you can see that ⅓

is the same

as ⁄, then you are just adding sixths together. So ⁄ plus ⁄ equals

⁄. You just add the numerators.

Th

is can be easily seen if you are dividing slices of a cake. If the cake is divided into 6 slices, and you eat 1 piece (⁄) and your friend has 2 pieces (⁄), you have eaten ⁄ of the cake. Because 3 is half of 6, you can see that you have eaten half of the cake.

⁄ + ⁄ = ½

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