Rational Number Operation Rules (Flashcards)

Front

What is the rule for subtracting integers?

Options: ADD the OPPOSITE -or- Keep Change Change

Back

ADD the OPPOSITE -or- Keep Change Change

Front

What sign will the product of (-10)(-4) have?

Back

Positive, because multiplying two factors with the same signs results in a positive product.

Front

What is the rule for adding integers with different signs?

Back

Find the difference, keep the sign of the larger number

Front

If I divide two numbers with different signs what sign should my answer have? How do you know?

Back

Negative, because a dividend and divisor with different signs result in a negative quotient.

Front

What is the rule for adding integers with the same sign?

Back

Add, keep the sign

Front

For which operation do you have to line up the decimals before you do the math.

Options: Addition & Subtraction only

Back

Addition & Subtraction only

Front

What is the first thing you do when dividing fractions?

Back

Keep the first number (dividend). This is the first step in KEEP - CHANGE - FLIP

Front

Do you have to change anything about the fractions in a multiplication expression?

Back

No. You can multiply straight across the numerators and the denominators.

Front

What has to be the same before you can add or subtract fractions?

Back

The denominators must be the same and can be created with equivalent fractions.

Front

When you divide fractions, the division sign changes to __________.

Back

Multiplication. This is the second step in KEEP - CHANGE - FLIP