Unit 2 Math 7 Review

Front

What is the formula to find the difference between two temperatures?

Back

Difference = |Temperature1 - Temperature2|

Front

If Deshawn has 5 1/3 cups of oats and uses 4 2/3 cups, how do you calculate the leftover oats?

Back

Leftover Oats = Total Oats - Used Oats = 5 1/3 - 4 2/3 = 2/3 cups.

Front

What is 25% of a number?

Back

25% of a number is the same as multiplying the number by 0.25.

Front

How do you calculate a discount on a price?

Back

Discount = Original Price x Discount Rate.

Front

What is 15% of $20.00?

Back

15% of $20.00 = 0.15 x 20 = $3.00.

Front

How do you calculate a tip based on a meal cost?

Back

Tip = Meal Cost x Tip Percentage.

Front

What is the difference between Celsius and Fahrenheit?

Back

Celsius is a metric temperature scale, while Fahrenheit is an imperial scale. To convert Celsius to Fahrenheit: F = (C × 9/5) + 32.

Front

What does it mean to simplify a fraction?

Back

To simplify a fraction means to reduce it to its lowest terms.

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 over the original denominator.

Front

What is the process to add fractions with different denominators?

Back

Find a common denominator, convert the fractions, then add the numerators.