A-Math Chapter 5 Test (Form 2A)

Front

What is the simplest form of \( \frac{4}{9} \div \frac{8}{9} \)?

Back

\( \frac{1}{2} \)

Front

If Hoai walks \( \frac{7}{8} \) mile in 20 minutes, what is his walking pace in mph?

Back

\( 2 \frac{5}{8} \) mph

Front

Ayana gave away \( \frac{1}{4} \) of her peanuts to one sister, \( \frac{1}{3} \) to another, and \( \frac{1}{6} \) to her brother. How much did she keep?

Back

\( \frac{1}{4} \)

Front

Estimate the sum of \( 2 \frac{7}{8} + 3 \frac{1}{16} \).

Back

6

Front

What is the multiplicative inverse of \( 3 \frac{2}{7} \)?

Back

\( \frac{7}{23} \)

Front

Define 'multiplicative inverse'.

Back

The multiplicative inverse of a number is another number which, when multiplied together, gives 1.

Front

What is the process to divide fractions?

Back

Multiply by the reciprocal of the divisor.

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 formula for estimating sums of mixed numbers?

Back

Round each mixed number to the nearest whole number and then add.

Front

What is a fraction?

Back

A fraction represents a part of a whole and consists of a numerator and a denominator.