Ordering Decimals through Planet Size Comparisons

Why is it important to order decimal numbers?

• To compare sizes or values accurately

• To make them look neat

• To confuse people

• To make calculations harder

Tags

CCSS.5.NBT.A.3B

Which planet is 0.53 times the size of Earth?

• Neptune

• Venus

• Mars

• Mercury

Tags

CCSS.7.EE.B.3

What is the size of Neptune compared to Earth?

• 0.95 times

• 3.88 times

• 4 times

• 0.53 times

Tags

CCSS.6.RP.A.3A

What is the first step in comparing decimal numbers?

• Use a calculator

• Start from the right

• Rewrite the numbers vertically

• Fill in empty place values with zeros

Tags

CCSS.5.NBT.A.3B

When ordering decimals, what should you do after rewriting the numbers vertically?

• Write them in any order

• Cross out the largest number

• Fill in empty place values with zeros

• Start comparing from the right

Tags

CCSS.5.NBT.A.3B

What is the second step in comparing decimal numbers?

• Order them randomly

• Start from the left

• Fill in empty place values with zeros

• Rewrite the numbers vertically

Tags

CCSS.5.NBT.A.3B

Which planet is the largest according to the given sizes?

• Uranus

• Neptune

• Mars

• Earth

What should you do if all remaining numbers in the ones column are zeros?

• Look at the tenths place

• Start over

• Write them in any order

• Ignore them

Tags

CCSS.5.NBT.B.7

Which planet is the smallest according to the given sizes?

• Venus

• Mars

• Neptune

• Mercury

What is the final step in ordering decimals?

• Order the decimals on a line from least to greatest

• Fill in empty place values with zeros

• Start from the right

• Rewrite the numbers vertically

Tags

CCSS.5.NBT.A.3B