Adding and Subtracting Decimals

1 - .003 = 

• 1.003
• 1.030
• .997
• 1.997

0.6 + 0.7 =

• 0.67
• 0.76
• 1.2
• 1.3

Tags

CCSS.5.NBT.B.7

What is the rule for adding decimals?

• Add first
• Line up the decimals first, then fill in with zeros.
• Move the decimal to the right the total amount of numbers after the decimal.
• Subtract

Tags

CCSS.5.NBT.B.7

3 + 1.2

• 3.3
• .42
• 42
• 4.2

Tags

CCSS.6.NS.B.3