Single Step Addition and Subtraction Equations with Decimals Flashcard

Front

What is a decimal?

Back

A decimal is a fraction expressed in a special form. It represents a part of a whole number, using a dot (.) to separate the whole number from the fractional part.

Front

What does it mean to add decimals?

Back

Adding decimals involves aligning the decimal points and adding the numbers as you would with whole numbers, carrying over if necessary.

Front

What does it mean to subtract decimals?

Back

Subtracting decimals involves aligning the decimal points and subtracting the numbers as you would with whole numbers, borrowing if necessary.

Front

Solve the equation: 17.2 - 8.5 = ?

Back

8.7

Front

Solve the equation: 12.4 - y = 7.8. What is y?

Back

4.6

Front

Solve the equation: 4.9 + 6.3 = ?

Back

11.2

Front

What is the value of x in the equation 9.6 + 3.2 = x?

Back

12.8

Front

Solve for x: x + 4.2 = 18.5. What is x?

Back

14.3

Front

What is the first step in solving a single-step addition equation?

Back

Identify the operation (addition or subtraction) and isolate the variable by performing the inverse operation.

Front

What is the first step in solving a single-step subtraction equation?

Back

Identify the operation (addition or subtraction) and isolate the variable by performing the inverse operation.