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**Parent Math Fraction Operations**

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**Pre-requisite Skills:**

ONE IN DISGUISE: any number over itself (divided by itself) Ex: Equivalent Fractions: Multiply by a ONE IN DISGUISE Ex. Reduce / Simplify Fractions: Divide by a ONE IN DISGUISE Ex: Mixed and Improper Fractions: Mixed: Improper:

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**You multiply straight across!**

BASEBALL SCENARIO: You’re SAFE when … To Multiply Mixed Numbers, Whole Numbers and Fractions: * NOTE! You multiply straight across! Turn all mixed or whole numbers into improper fractions. Multiply straight across! Simplify answer (mix and reduce). You can cancel in the problem or after!

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**Turn all mixed or whole numbers into improper fractions.**

To Divide Mixed numbers, Whole Numbers and Fractions: Turn all mixed or whole numbers into improper fractions. Flip the 2nd fraction (RECIPROCAL). Multiply (see multiplication notes)

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**SONG! When you add and subtract . . . LINE ‘EM UP!**

Add and Subtract Fractions and Mixed Numbers (WITHOUT BORROWING) SONG! When you add and subtract LINE ‘EM UP! You must have a CD (common denominator) – make them using equivalent fractions. Add or subtract the numerators. Keep the same denominator. Simplify answer (mix and reduce).

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**BORROWING from Whole Numbers**

Note! You can’t take somethin’ from nothin’ So what do you do? Rename the whole number to show a fraction. (Borrow a ONE and disguise it!)

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**Subtract with BORROWING!**

There are three methods of borrowing a ONE and including it in an existing fraction. BIG 1 Add ONE IN DISGUISE

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