Adding and subtracting rational numbers

Tags

CCSS.7.NS.A.1C

-3 1/2 + (-2 3/4)

• -6 1/4

• -6 2/3

• 6 4/6

• -1 1/4

Tags

CCSS.7.NS.A.1C

-2.5 + (-2.5)

• -5
• 0
• 5

Tags

CCSS.7.NS.A.1C

Solve the problem:

7/8 + -4/8 =

Tags

CCSS.7.NS.A.1C

Evaluate the expression.

-$17.23 + $15.48

• -32.71

• $32.71

• -$1.75

• 1.75

Tags

CCSS.7.NS.A.1C

Tags

CCSS.7.NS.A.1C

Match each scenario with the correct end value.

• -13

• A dolphin swimming at 5 feet below sea level dove down 8 more feet.

• 60

• The temperature was ^-8 degrees Fahrenheit at 8 a.m. then rose 8 degrees by noon.

• 0

• Chloe deposited $120 into her checking account on Monday and withdrew $60 on Tuesday.

• -1

• A player lost 5 points, gained 7 points, then lost 3 points in the final round.

Tags

CCSS.7.NS.A.3

Find the sum of -2/3 and -1/4

• -5/6

• -7/12

• -3/4

• -11/12

Tags

CCSS.7.NS.A.1C

Dr. Whether-or-Not collects two hailstones during a storm in California. One hailstone weighs 2 3/8 pounds, and the other hailstone weighs 1 3/10 pounds. How much heavier is the larger hailstone than the smaller hailstone

Tags

CCSS.7.NS.A.1C

Change the following subtraction problems to addition using Keep - Change - Change, then put them under the correct adding rule you would use to solve the problem.

Groups:

(a) Adding Numbers with the same sign

,

(b) Adding Numbers with different signs

Tags

CCSS.7.NS.A.1C