Unit 1 Review

Front

What is an integer?

Back

An integer is a whole number that can be positive, negative, or zero, but does not include fractions or decimals.

Front

How do you represent a debt as an integer?

Back

A debt is represented as a negative integer. For example, owing $35 is represented as -$35.

Front

What is the process to find a fraction of a whole number?

Back

To find a fraction of a whole number, multiply the whole number by the numerator of the fraction and then divide by the denominator.

Front

If there are 12 children at a party and 3/4 of them had an apple, how many children had an apple?

Back

9 children had an apple.

Front

What is the sum of gaining 9 yards and losing 22 yards?

Back

The overall change in field position is 9 + (-22) = -13 yards.

Front

What does it mean for two expressions to be equivalent?

Back

Two expressions are equivalent if they have the same value when evaluated.

Front

Which expression is NOT equivalent to -20? -20/-1, -5-15, (-10)(-2), 20+(-21)

Back

20 + (-21) is NOT equivalent to -20.

Front

How do you calculate the ending balance after transactions?

Back

Starting balance + total income - total expenses = ending balance.

Front

If a mailman delivers 3 checks for $5 each and 2 bills for $2 each, what is the total income?

Back

Total income = (3 * $5) = $15.

Front

If you start with $25 and have an income of $15 and expenses of $4, what is your ending balance?

Back

Ending balance = $25 + $15 - $4 = $36.