Comparing Rational Numbers with Fractions and Decimals

Write the decimal as a mixed number

in simplest form

2.25

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

Write the decimal as a fraction

in simplest form

0.002

What do the decimal forms of ¹/₃, ⁵/₆, ⁷/₁₁ have in common

• All the numbers are prime

• They are all in simplest form

• The all turn to repeating decimals

• They all turn to terminating decimals

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

Convert fraction to a decimal

¹⁵/₂₀

Convert fraction to a decimal

⁷/₈

do ²/₅ and ¹⁰/₂₅ convert to the same decimal?

• yes

• no

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

Convert fraction to a decimal

³/₅

Convert fraction to a decimal

²⁷/₅₀

How do you order and compare rational numbers?

• Add them.

• Subtract them.

• Change them to variables.

• Change them to decimals and compare place values.

Tags

CCSS.6.NS.C.7A

CCSS.6.NS.C.7B