7th remote 2.19 four operations

Front

What is an integer?

Back

An integer is a whole number that can be positive, negative, or zero. Examples include -3, 0, and 5.

Front

What is the result of adding two negative integers?

Back

The result is always negative. For example, -3 + -5 = -8.

Front

What is the result of subtracting a negative integer from a positive integer?

Back

The result is always greater than the positive integer. For example, 5 - (-3) = 5 + 3 = 8.

Front

What is the product of two negative integers?

Back

The product is positive. For example, -4 × -2 = 8.

Front

What is the product of a negative integer and a positive integer?

Back

The product is negative. For example, -3 × 4 = -12.

Front

How do you divide two integers with the same sign?

Back

The result is positive. For example, -12 ÷ -3 = 4.

Front

How do you divide two integers with different signs?

Back

The result is negative. For example, 12 ÷ -3 = -4.

Front

What is the order of operations in mathematics?

Back

The order of operations is Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right). Often remembered as PEMDAS.

Front

Calculate the change Mrs. Weaver should receive after buying 3.25 pounds of meat at $4.60 per pound with a $20 bill.

Back

Total cost = 3.25 × 4.60 = $14.95. Change = $20.00 - $14.95 = $5.05.

Front

Back

The value is -210.