Friday the 6th Practice

Front

What is the conversion factor between kilograms and grams?

Back

1 kilogram = 1,000 grams.

Front

How do you simplify the expression -16 + (-64) + 64 + (-52)?

Back

The simplified result is -68.

Front

What is the formula to calculate the cost of carpeting a floor?

Back

Cost = Price per square foot × Area of the floor.

Front

Calculate the area of a rectangular floor that is 10 feet by 12 feet.

Back

Area = 10 feet × 12 feet = 120 square feet.

Front

If carpeting costs $2.50 per square foot, how much will it cost to carpet a 10x12 floor?

Back

Cost = 120 square feet × $2.50 = $300.

Front

What is the order of operations in mathematics?

Back

PEMDAS: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Front

Simplify the expression 4(2+3)² - 2(6-4)².

Back

The simplified result is 92.

Front

What is the value of 15 + 7 × 2 – 11 + 35?

Back

The result is 53.

Front

What is the first step in solving an expression with parentheses?

Back

Evaluate the expression inside the parentheses first.

Front

How do you handle negative numbers in addition?

Back

Adding a negative number is the same as subtracting its absolute value.