Multiplying and Dividing Integers

We use the rule "if the signs are the same the answer is positive and if the signs are different the answer is negative" when we are _____________. (check all that apply)

• adding integers

• subtracting integers

• multiplying integers

• dividing integers

A negative times a negative is a ___________.

• negative

• positive

A positive times a negative is a ______________.

• negative

• positive

We sing the song "KCC - its easy as 1-2-3" when we are _________. (check all that apply)

• adding integers

• subtracting integers

• multiplying integers

• dividing integers

(+6) x (-2) = _____

(6 groups of -2)

• 12

• -12

• 4

• -4

• -36

• 36

(-4) x (-3) = _____

(remove 4 groups of -3)

• -7

• 7

• -12

• 12

(-4)(-10)

Mathematical Equivalence

ON

Which number sentence is represented by this model?

• –4 • 7 = 28

• –4 • 7 = –28

• 4 •(–7) = 28

• -4 •(–7) = –28

Which number sentence is represented by this model?

• 3 × (-2) = 6

• 3 × (-2) = -6

• 3 × 2 = 6

• -3 × (-2) = -6