Adding and Subtracting Fractions with LIKE denominators

• 3

• 7

• How many pieces make 1 whole

• How many pieces I have

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

• 4

• 8

• How many pieces make 1 whole

• How many pieces I have

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

What are the steps for making two unlike denominators like?

• Find the LCM or use the butterfly method

• Multiply the numerators by the same opposite denominator

• Convert (change) the fractions based on the OPPOSITE denominator to find the Common Denominator

• Rewrite your now completed converted fractions

• Look at the denominators

Tags

CCSS.3.NF.A.3A

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

Which of the following fractions are simplified?

When solving for LIKE denominator fractions, what are the steps?

• Solve for your numerators and regroup if needed

• Solve your whole numbers with any possible regroupings.

• Line up your whole numbers (if any) with the fractions they were with

• Bring the denominator straight down

• Line up your fractions (top to bottom)

Tags

CCSS.7.NS.A.1C

True or false: You CAN just add fractions with UNLIKE denominators

• True

• False

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Mathematical Equivalence

ON

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Mathematical Equivalence

ON

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

• 6

• 8

• How many pieces make 1 whole

• How many pieces I have

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B