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

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

A negative times a negative is a ___________.

• negative

• positive

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

A positive times a negative is a ______________.

• negative

• positive

Tags

CCSS.3.OA.D.9

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

Tags

CCSS.7.NS.A.2C

(+6) x (-2) = _____

(6 groups of -2)

• 12

• -12

• 4

• -4

Tags

CCSS.7.NS.A.2A

• -36

• 36

Tags

CCSS.7.NS.A.2A

(-4) x (-3) = _____

(remove 4 groups of -3)

• -7

• 7

• -12

• 12

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

(-4)(-10)

Mathematical Equivalence

ON

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

Which number sentence is represented by this model?

• –4 • 7 = 28

• –4 • 7 = –28

• 4 •(–7) = 28

• -4 •(–7) = –28

Tags

CCSS.7.NS.A.2A

Which number sentence is represented by this model?

• 3 × (-2) = 6

• 3 × (-2) = -6

• 3 × 2 = 6

• -3 × (-2) = -6

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B