Decimal Operations

-5.167+ -9.6=

• 4.433

• -4.433

• -14.767

• 14.767

-4.971 + 5.881 =

• 0.910

• -0.910

• 10.852

• -10.852

-1.328 - (-3.06) =

• -1.732

• 4.388

• -4.388

• 1.732

94.055 - (-12.857) =

• -81.198

• 106.912

• 81.198

• -106.912

Which operations (choose all that apply) is it important to line up the decimals?

• Multiplication

• Addition

• Subtraction

• Division

3,605 ÷ 7 =

• 515

• 1.94

• 900

• -500

2640 ÷ 5 =

• 18.939

• 525

• 252

• 528

57(-0.854)=

• 66.75

• -66.75

• -48.678

• 48.678

Mark all operations we would use this triangle for....

• Addition

• Subtraction

• Multiplication

• Division

The definition of a decimal could be (one of the following)

• a whole number

• a number that has a comma in it to show its periods.

• a number with a whole part and a fractional part separated by a dot.

• a number with a numerator and a denominator