Parent Math Fraction Operations. Pre-requisite Skills: ONE IN DISGUISE: any number over itself...

Parent MathFraction Operations

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:

To Multiply Mixed Numbers,

Whole Numbers and Fractions:

* NOTE!

1. 2. 3.

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!

BASEBALL SCENARIO: You’re SAFE when …

You multiply straight across!

To Divide Mixed numbers,

Whole Numbers and Fractions:

4. 5. 6.

Flip the 2nd fraction (RECIPROCAL).Multiply (see multiplication notes)

Turn all mixed or whole numbers into improper fractions.

Add and Subtract Fractions and Mixed Numbers (WITHOUT BORROWING)

SONG!

7. 8. 9.

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).

BORROWING from Whole Numbers

Note! You can’t take somethin’ from nothin’

So what do you do?

10. 11. 12.

Rename the whole number to show a fraction.

(Borrow a ONE and disguise it!)

Subtract with BORROWING!There are three methods of borrowing a ONE and including it in an existing fraction.

BIG 1 Add ONE IN DISGUISE

13. 14. 15.