Adding Rational Numbers Review

-42 + (-11) + (-26)

• -57

• -79

• -5

• 5

-4.7 + 9.23 + (-3.85)

• -0.68

• 17.78

• 0.68

• -17.78

The table on the board shows four transactions (in dollars) for a bank account. Positive numbers represent deposits, and negative numbers represent withdrawals. The balance before the transactions is $75.50. What is the balance after the transactions?

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3 + (-7)

• 10

• 4

• -10

• -4

2 + (-21) 

• 19

• -19

• -23

• 23

10 + (-4) = ?

• -6

• 6

• 14

• -14

-3.782 + -0.24

• 3.373

• 2.893

• - 4.022

• -2.893

When you add opposites (also called Additive Inverse), what do you get?

• 0

• A negative number

• Attraction

• You cannot add opposites

Add rational numbers with the same sign by adding the ______ ______ and using the common sign.

Add rational numbers with opposite signs by subtracting the _______ absolute value from the larger absolute value and using the sign of the number with the larger absolute value.