12/6 Bell Ringer (ADV)

Front

What is the absolute value of a number?

Back

The absolute value of a number is its distance from zero on the number line, regardless of direction. For example, |-5| = 5.

Front

Which is greater: |-2| or |-4|?

Back

|-2| is greater than |-4| because |-2| = 2 and |-4| = 4.

Front

Evaluate the expression: |–5| + 8

Back

The answer is 13 because |–5| = 5, and 5 + 8 = 13.

Front

How do you calculate the cost of multiple pounds of a product?

Back

Multiply the price per pound by the number of pounds. For example, if chicken costs $3.30 per pound and you buy 2.5 pounds, the cost is $3.30 * 2.5 = $8.25.

Front

What is the cost of 3 3/5 lbs of bananas at $0.35 per pound?

Back

The cost is $1.26 because 3 3/5 lbs = 3.6 lbs, and 3.6 * $0.35 = $1.26.

Front

What is the greatest absolute value among these numbers: |-2|, |-4|, |3|, |-5|?

Back

The greatest absolute value is |-5|, which equals 5.

Front

How do you convert a mixed number to an improper fraction?

Back

Multiply the whole number by the denominator, add the numerator, and place that over the original denominator. For example, 3 3/5 = (3*5 + 3)/5 = 18/5.

Front

What is the formula to find the total cost of items?

Back

Total Cost = Price per Item × Quantity.

Front

If a store sells an item for $10 and has a 20% discount, what is the sale price?

Back

The sale price is $8.00 because 20% of $10 is $2, and $10 - $2 = $8.

Front

What does it mean to evaluate an expression?

Back

To evaluate an expression means to calculate its value by performing the operations indicated.