Adding rationals 2022 (2)

Front

What is the process to rewrite a subtraction problem as an addition problem?

Back

To rewrite a subtraction problem as an addition problem, change the subtraction of a negative number to addition. For example, -5.66 - (-4.1) becomes -5.66 + 4.1.

Front

What is the result of adding a positive number to a negative number?

Back

When adding a positive number to a negative number, you subtract the absolute values and keep the sign of the number with the larger absolute value. For example, 6.59 + (-7.8) results in a negative number.

Front

How do you simplify the expression 6.59 + (−7.8) − (−2.41)?

Back

First, simplify the double negative: 6.59 + (-7.8) + 2.41. Then, perform the addition: 6.59 - 7.8 + 2.41 = 1.2.

Front

What is the value of 2/9 in decimal form?

Back

2/9 in decimal form is approximately 0.222.

Front

How do you add two negative numbers?

Back

To add two negative numbers, add their absolute values and keep the negative sign. For example, -5.7 + (-0.9) = -6.6.

Front

What is the result of -5.7 + 0.9?

Back

The result of -5.7 + 0.9 is -4.8.

Front

What is the rule for adding rational numbers with different signs?

Back

When adding rational numbers with different signs, subtract the smaller absolute value from the larger absolute value and take the sign of the number with the larger absolute value.

Front

How can you convert a subtraction problem into an addition problem involving fractions?

Back

To convert a subtraction problem involving fractions, change the subtraction of a fraction to addition by using its negative. For example, a - b becomes a + (-b).

Front

What is the first step in solving an expression with multiple operations?

Back

The first step is to follow the order of operations: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Front

What does it mean to simplify an expression?

Back

To simplify an expression means to combine like terms and perform operations to reduce it to its simplest form.