Lets Be Rational Test Review

Front

What is the formula to calculate the growth of a tree trunk's diameter over time?

Back

Diameter growth = Rate of growth per year × Number of years

Front

If a tree trunk grows 1/4 inch each year, how many years will it take to grow 8 inches?

Back

32 years (8 inches ÷ 1/4 inch per year = 32 years)

Front

How do you divide a fraction by a whole number?

Back

Multiply the whole number by the denominator of the fraction.

Front

If one-half of a cantaloupe is shared among 3 people, how much does each person get?

Back

Each person gets 1/6 of the cantaloupe (1/2 ÷ 3 = 1/6).

Front

What is the process to add mixed numbers?

Back

Convert mixed numbers to improper fractions, add them, and convert back if necessary.

Front

Mrs. Vasquez bought 2 1/3 pounds of grapes and 1 2/3 pounds of bananas. How do you find the total weight?

Back

Convert to improper fractions, add them, and convert back to a mixed number if needed.

Front

What is the sum of 2 1/3 and 1 2/3?

Back

4 pounds (2 1/3 + 1 2/3 = 4).

Front

How do you find the quotient of two fractions?

Back

Multiply the first fraction by the reciprocal of the second fraction.

Front

What is the quotient of 2 11/12 divided by 1?

Back

2 11/12 (any number divided by 1 is itself).

Front

What does it mean for two fractions to be equivalent?

Back

Two fractions are equivalent if they represent the same value or proportion.