Investigation 4: Comparing Bits and Pieces

Front

What is the formula to calculate percentage?

Back

Percentage = (Part / Whole) x 100

Front

If Johnny scored 55 out of 60 on his quiz, how do you calculate his grade percentage?

Back

Grade Percentage = (Score / Total) x 100 = (55 / 60) x 100 = 91.67% (rounded to 92%)

Front

What is 45% of 800?

Back

45% of 800 = 0.45 x 800 = 360

Front

How do you calculate the percent discount on an item?

Back

Percent Discount = (Discount Amount / Original Price) x 100

Front

If a candy pack costs $3.00 and is discounted by $1.00, what is the percent discount?

Back

Percent Discount = ($1.00 / $3.00) x 100 = 33.33% (rounded to 33%)

Front

What fraction represents 25%?

Back

25% = 1/4

Front

In a class of 24 students, how many students represent 1/3?

Back

1/3 of 24 = 24 / 3 = 8 students

Front

What is the dollar amount of a 60% discount on a $15 game?

Back

Discount Amount = 60% of $15 = 0.60 x 15 = $9.00

Front

How do you find the remainder of a class after calculating percentages?

Back

Remainder = Total Students - (Students with specific characteristics)