Add and Subtract Rationals with Number Line

When adding rational numbers with the same sign, you must:

• Subtract and keep the sign of the biggest number

• Add together and keep the sign

• Keep, change, switch

• Add the opposite

Tags

CCSS.7.NS.A.1C

• 4.46
• 6.88
• - 4.46
• 5.67

Tags

CCSS.6.NS.C.7C

Which expression represents the distance between P and Q on the number line?

• |-2+2|

• |2- -2|

• 2+ (-2)

• |2| - |-2|

Tags

CCSS.7.NS.A.1C

Following the integer rules, would you add or subtract the fractions?

• add, the answer would be positive

• add, the answer would be negative

• subtract, the answer will be positive

• subtract the answer will be negative

Tags

CCSS.7.NS.A.1C

Does the number line model -9 - (-3)?

• Yes, it starts at -9 and moves 3 units forward.

• No, it should start at -9 and move 3 units backwards.

• No, it should start at -9 and stop at -3.

Tags

CCSS.7.NS.A.1B

A point that represents the difference of -11 - 6 is plotted on a vertical number line. Which statement is true?

• -11 - 6 is plotted 6 units above -11

• -11 - 6 is plotted 6 units below -11

• -11 - 6 is plotted 6 units below 6

• -11 - 6 is plotted 6 units above 6

Tags

CCSS.7.NS.A.1B

What is the location of the sum of 11 + (-5) with respect to 11 on a number line?

• 5 units in the negative direction

• 5 units in the positive direction

• 11 units in the negative direction

• 11 units in the positive direction

Tags

CCSS.7.NS.A.1B

- 5.62 + (- 12.9)

• -6.91

• - 18.52

• 6.28

• 6.91

Tags

CCSS.7.NS.A.1C

• - 1  7/40
• 15/40
• - 1 10/40
• 17/40

Tags

CCSS.7.NS.A.1C

9.01 - (- 4.09)

• 13.10

• 4.82

• -13.00

• 5.02

Tags

CCSS.7.NS.A.1C