Decimal Subtraction Lesson

Subtracting Decimals 2.4

By Steve Garces

How to subtract decimals

TO SUBTRACT A DECIMAL

• First line up decimals so the biggest number is on top

• Next subtract numbers from right to left. (Remember to carry if you have to)

• Bring down the decimal point​

Tip: Add zeros as place holders if the size of the decimal is bigger.

Multiple Choice

1.8-0.9

• 0.9

• 2.7

• 0.8

• 2.2

Multiple Choice

5.4-2.43

• 3.01

• 2.97

• 3.97

• 1.34

Fill in the Blanks

20.8 - 18.27 = n

Multiple Choice

Find the difference
9.73 - 2.52

• 7.22
• 7.23
• 7.21
• 7.34

Multiple Choice

0.56-0.23

• 0.32

• 0.45

• 0.33

• 1.2

Multiple Choice

Tracy bought a shirt for $39.12 and paid with a $50.  How much change did she get back?

• $11.98
• $10.88
• $11.12
• $9.88

Multiple Choice

14 - 8.9

• 7.5
• 6.9
• 10.3
• 5.1