Add and Subtract Rational Numbers

Tags

CCSS.7.NS.A.1C

Tags

CCSS.7.NS.A.1C

Find the sum of each expression and order LEAST to GREATEST.

Tags

CCSS.7.NS.A.1B

Adding integers with the same sign:

• Subtract

• Add and keep the sign.

• Add and that is it.

• What is adding integers?

Tags

CCSS.7.NS.A.1C

Adding integers with different signs

• Subtract and keep the sign of the LARGER Absolute Value.

• Subtract and keep the number of the SMALLER Absolute Value.

• Adding them and pick a sign.

• Subtract and do not change the signs!

Tags

CCSS.7.NS.A.1C

What makes a zero pair? 

• Adding two negative numbers,

  like -8 + (-8)

• Adding two positive numbers,

  like 8 + 8

• Add one negative and one positive number,

  like -8 + 8

Tags

CCSS.7.NS.A.1B

When do we use "ADD THE OPPOSITE"?

• When we divide integers

• When we subtract integers

• When we add integers

• When we multiply integers

Tags

CCSS.7.NS.A.1C

• 11 - 4

• -11 + (-4)

• 11 + 4

• -11 - (-4)

Tags

CCSS.7.NS.A.1B

• 0

• 5

• 1

• -5

Tags

CCSS.7.NS.A.1C

-5 - (-17) ... Which addition sentence represents the same problem?

• -5 + 17

• -5 + (-17)

• 5 + (-17)

• 5 + 17

Tags

CCSS.7.NS.A.1C