Comparing and Ordering Numbers in Scientific Notation

Place the following numbers in order from least to greatest:
7.8 x 10⁶,    5.1 x 10⁴,  
1.25 x 10⁵,    4.09 x 10⁴

• 4.09 x 10⁴,   
  1.25 x 10⁵,    
  5.1 x 10⁴,   
  7.8 x 10⁶,
• 4.09 x 10⁴,    
  5.1 x 10⁴,    
  1.25 x 10⁵,  
  7.8 x 10⁶, 
• 1.25 x 10⁵,  
  4.09 x 10⁴,    
  5.1 x 10⁴,     
  7.8 x 10⁶,  

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CCSS.6.EE.A.1

CCSS.6.NS.C.7

Which of the following numbers is the least?

• 7 x 10⁸
• 7.1 x 10⁸
• 7 x 10⁹
• 7.1 x 10⁹

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CCSS.6.EE.A.1

CCSS.6.NS.C.7

Which number is the greatest?

• 5.25 x 10⁵
• 2.55 x 10⁵
• 5.55 x 10⁵
• 5 x 10⁵

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CCSS.6.EE.A.1

CCSS.6.NS.C.7

The diameter of the planet Mercury is

4.87 x 10³ km. The diameter of the planet Venus is 1.21 x 10⁴ km. The diameter of the planet Uranus is

1.28 x 10³ km.

Which planet has the smallest diameter?

• Mercury

• Mars

• Venus

Tags

CCSS.6.EE.A.1

CCSS.6.NS.C.7

Order the following from greatest to least:
 5 x 10³ 
 3.2 x 10⁸
 1.2 x 10⁸
 7 x 10⁵ 

•  7 x 10⁵ ,  5 x 10³ ,
   3.2 x 10⁸,  1.2 x 10⁸
•  3.2 x 10⁸, 1.2 x 10⁸,  7 x 10⁵, 5 x 10³ 
•  1.2 x 10⁸, 3.2 x 10⁸,
   5 x 10³ , 7 x 10⁵ 

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CCSS.6.EE.A.1

CCSS.6.NS.C.7

50.1 x 10^-3  >  4.8 x 10^-1

• True
• False

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CCSS.6.EE.A.4

CCSS.6.EE.B.5

CCSS.6.NS.C.7

When writing a number in scientific notation, the first number must be greater than 1, but less than 10.

• False
• True

Fill in the blank: Order from greatest to least:

3.1 x 10⁴, 3.2 x 10³, _________, 3.3 x 10^-2

• 9.2 x 10²

• 3.3 x 10³

• 4.5 x 10⁵

• 1.2 x 10^-3

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CCSS.6.NS.C.7

The diameter of the planet Mercury is 4.87 x 10³ kilometers. The diameter of the planet Venus is 1.21 x 10⁴ kilometers. The diameter of Earth is 1.28 x 10⁴  kilometers. The diameter of Mars is 6.79 x 10³ kilometers. Which planet has the smallest diameter?

• Mercury
• Earth
• Venus
• Mars

Tags

CCSS.6.EE.A.1

CCSS.6.NS.C.7

Order the following from least to greatest.

• 6.8 x 10⁶
  6.6 x 10⁶
  6.1 x 10⁶
  6 x 10⁶
• 6 x 10⁶
  6.1 x 10⁶
  6.6 x 10⁶
  6.8 x 10⁶
• 6 x 10⁶
  6.6 x 10⁶
  6.8 x 10⁶
  6.1 x 10⁶

Tags

CCSS.6.EE.A.1

CCSS.6.NS.C.7