Operations with Rational Numbers

solve 

• - 2/9
• - 5/9 
• 2/9
• no there

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

-5.7 + 0.9

• 2.1
• -4.8
• -8.3
• -10.7

Tags

CCSS.5.NBT.B.7

• 2.6785
• 26.785
• -2.6785
• -26.785

Tags

CCSS.5.NBT.B.7

• -6/12
• -5/12
• 5/12
• -5/7

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Divide.

• -1/10
• -5/8
• -2/20
• 5/8

Tags

CCSS.5.NF.B.3

CCSS.5.NF.B.7

What is the decimal equivalent of 3/5?

• 0.3
• 3.5
• 0.6
• 0.2

Tags

CCSS.5.NBT.A.3

CCSS.5.NBT.B.7

Compare:  -2/3        -0.75

• >
• <
• =

Tags

CCSS.5.NBT.A.3

- ⁷/₈ - ¹/₂

• - ¹¹/₇
• - ⁸/₁₁
• -1 ³/₈
• -1 ¹/₈

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

-6.3(-0.6)

• -3.78
• 5.76
• 3.78
• -5.12

Tags

CCSS.5.NBT.B.7

In the world’s coldest freezer, sodium gas was cooled to a temperature of 78.5°C below zero and then cooled 194.65°C more. What was the new temperature of the sodium gas?

• –273.15°C

• –272.7°C

• –202.5°C

• –116.15°C

Tags

CCSS.7.EE.B.3

CCSS.7.NS.A.1

CCSS.7.NS.A.3