Word Problems with Fractions

When multiplying a whole number x a fraction, what do you need to do to the whole number?

• write it first

• write it 2nd

• write it over 1

• make it into an improper fraction

Tags

CCSS.5.NF.B.4

CCSS.5.NF.B.5

When multiplying fractions, what should you do first? (2 answers!)

• make improper into mixed fractions

• make mixed into improper fractions

• make whole numbers into fractions over 1

• flip the 2nd fraction

Tags

CCSS.5.NF.B.4

CCSS.5.NF.B.5

When multiplying, I should

• Keep change flip

• convert mixed to improper first

• convert improper to mixed first

• make all denominators common using LCM

Tags

CCSS.5.NF.B.4

CCSS.5.NF.B.6

When multiplying

• multiply numerators, then denominators, then reduce

• make common denominators, then multiply, then reduce

• make all fractions mixed, then multiply, then reduce

• keep change fliip

Tags

CCSS.5.NF.B.4

CCSS.5.NF.B.5

CCSS.5.NF.B.6

GCF is helpful when

• making a common denominator before adding/subtracting

• reducing a fraction to its simplest form

Tags

CCSS.5.NF.A.1

LCM is helpful when (2 answers)

• reducing a fraction to its simplest form

• finding a common denominator to compare fractions

• finding a common denominator to add/subtract fractions

• reducing a mixed fraction to improper

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

When adding fractions

• do the same process as subtracting

• all fractions must be made into mixed

• you don't need common denominators

• do the same process as multiplying

Tags

CCSS.5.NF.A.1

Check off everything you need to do before adding/ subtracting fractions:

• find the gcf of all fractions

• find the LCM of all denominators

• find the LCM of all numerators

• make whole numbers over 1

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

The rule for division is

• flip stay flip

• keep change flip

• keep stay change

• flip change stay

Tags

CCSS.5.NF.B.3

CCSS.5.NF.B.7

Check all fraction operations that required common denominators:

• addition

• subtraction

• multiplication

• division

• comparing fractions

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2