Decimal Operations and Long Division

The video tutorial explains how to simplify a given expression in fraction form by addressing the numerator and denominator separately. It covers handling negative numbers in the numerator, multiplying decimals in the denominator, and performing long division to find the quotient. The tutorial emphasizes understanding the signs of numbers and the importance of decimal places in calculations.

What is the first step in simplifying an expression in fraction form?

• Simplify the numerator and denominator separately

• Simplify the fraction as a whole

• Convert the fraction to a decimal

• Multiply the numerator and denominator

How do you handle subtracting a negative number?

• Subtract it as usual

• Ignore the negative sign

• Convert it to adding a positive

• Multiply it by zero

What is the result of -12.9 plus 4.15?

• -8.75

• 8.75

• -16.05

• 16.05

What is the product of 0.5 multiplied by 0.5?

• 0.5

• 0.25

• 0.75

• 1.0

How many decimal places should the product of 0.5 and 0.5 have?

• None

• Three

• One

• Two

What is the sign of a quotient when a negative number is divided by a positive number?

• Zero

• Undefined

• Negative

• Positive

What is the first step in setting up long division for 8.75 divided by 0.25?

• Convert the divisor to a whole number

• Multiply the dividend by 10

• Add zeros to the dividend

• Subtract the divisor from the dividend

How many times does 25 go into 87 during the long division process?

• 2 times

• 3 times

• 5 times

• 4 times

What is the final quotient of 8.75 divided by 0.25?

• 35

• -35

• -25

• 25

What is the importance of moving the decimal point in both the divisor and dividend during long division?

• To simplify the calculation

• To decrease the divisor

• To increase the dividend

• To make the divisor a whole number