Percent of a Number: Word Problems (Spiral Review)

Front

What is the formula to calculate the percent of a number?

Back

Percent of a number = (Part / Whole) × 100

Front

If a student scores 45 out of 60 on a test, what is their percent score?

Back

75% (Calculation: (45/60) × 100 = 75%)

Front

What does it mean to find a percentage of a number?

Back

Finding a percentage of a number means calculating how much that percentage represents in terms of the whole number.

Front

How do you calculate a discount on an item?

Back

Discount = Original Price × (Discount Percentage / 100)

Front

If a shirt costs $40 and is on sale for 25% off, how much do you save?

Back

$10 (Calculation: $40 × 0.25 = $10)

Front

What is the percent of a total if 15 out of 50 students passed a test?

Back

30% (Calculation: (15/50) × 100 = 30%)

Front

How do you find out how many items are left after a percentage is sold?

Back

Items left = Original amount - (Original amount × (Percentage sold / 100))

Front

If a student answered 18 out of 30 questions correctly, what percent did they get right?

Back

60% (Calculation: (18/30) × 100 = 60%)

Front

What is the percent increase if a price goes from $20 to $25?

Back

25% (Calculation: ((25-20)/20) × 100 = 25%)

Front

If 80% of a class of 25 students are present, how many students are absent?

Back

5 students (Calculation: 20% of 25 = 5 students absent)