Add & Subtract Decimals

What is the first step when adding and subtracting decimals?

• Line up the numbers
• Line up the decimals
• Add or subtract like normal
• Add in placeholders

55.78 + 4.6 =

• 60.28
• 55.32
• 56.44
• 60.38

7.9 - 3.47 =

• 11.37
• 4.43
• 3.32
• 4.37

94 - 4.8 =

• 89.2
• 5.4
• 90.80
• 98.8

2 - 0.43 =

• 0.45
• 1.57
• 0.41
• 2.43

Add.
21 + 4.09 

• 4.30
• 6.19
• 25.09
• 16.91

15.07 - 12.2=

• 2.87
• 1.87
• 3.87
• 2.80

8.4 - 3.03=

• 5.33
• 5.37
• 5.43
• 4.33

9.74 - 3.25=

• 6.49
• 5.49
• 7.49
• 6.51

7.2 - 4.3=

• 2.9
• 3.9
• 3.1
• 2.1