Add and Subtract Expressions with Fractions and Decimals

When adding or subtracting fractions, I must always have a (a)   . I then add or subtract the ​ (b)   and keep ​ (c)   the same.

• Common Denominator

• Numerators

• Denominator

• Common Numerators

• Divisor

• Dividend

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Write the decimal as a mixed number

in simplest form

1.6

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

Write the decimal as a mixed number

in simplest form

4.45

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

Write as a Decimal

²/₃

• 0.23

• 0.2

• 0.3

• 0.6̅

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

What must you have to add and subtract fractions?

• Common numerators

• Different numerators

• Different denominators

• Common denominators

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

What do you have to do before you can add or subtract decimals?

• Remove the decimal

• Line up the decimals

Tags

CCSS.5.NBT.B.7

Write the fraction as a decimal

⁹/₁₀

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

Write the fraction as a decimal

5 ⁷/₈

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

Write the decimal as a mixed number

in simplest form

12.875

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1