Mathematics Examination Review

In addition of integers with the same sign, add their absolute values then copy the common sign.

• TRUE

• FALSE

In adding two integers with different signs, subtract the numbers then copy the sign of the integer with the higher absolute value.

• TRUE

• FALSE

Given (+17) - (-15), +17 is called the subtrahend.

• TRUE

• FALSE

(+12) - (-10) = 22

• TRUE

• FALSE

The answer to (-36) + (+20) is -16.

• TRUE

• FALSE

In (+5) + (-31), what do we call (+5) and (-31)?

• A addends

• B subtrahends

• C minuends

• D factors

Which of the following expressions will result to -30 when simplified?

• A (-16) + (-14)

• B (-20) + (-10)

• C (-25) + (-5)

• D (-15) + (0)

The average temperature at the South Pole is - 45º F. The average temperature on the Equator is 92º F. How much warmer is the average temperature on the Equator than at the South Pole?

• A 45º F

• B 92º F

• C 137º F

• D 137º C

In (+30) - (24), what is the opposite of the given subtrahend?

• A 30

• B -24

• C 24

• D -30

Which of the following expressions will result to -15 when simplified?

• A (-7) - (+8)

• B (-10)- (-5)

• C (-15) x (0)

• D (-20) / (5)