7.NS.1-3 Operations with Integers and Rational Numbers

Determine if the answer to the following expression will be POSITIVE or NEGATIVE:

8 + (-10)

• positive: answer is 2

• negative: answer is -2

• neither

Tags

CCSS.7.NS.A.1

CCSS.7.NS.A.3

Add or subtract integers:

-17 -56 + 14

• -25

• -87

• -59

• 53

Tags

CCSS.7.NS.A.1

CCSS.7.NS.A.3

Add and subtract Rational Numbers; simplify your answer

 $-1\frac{2}{3}+\left(-1\frac{1}{3}\right)$  

• -3

•  $\frac{1}{3}$  

•  $-\frac{9}{3}$  

• 0

Tags

CCSS.7.NS.A.1

CCSS.7.NS.A.3

A scuba diver dives down 20 feet into the ocean. He then swims 11 feet back up towards the surface. What is the position of the scuba diver relative to the surface?

Use a piece of paper to draw this out, then respond with your answer:

• -31

• 31

• 9

• -9

Tags

CCSS.7.EE.B.3

CCSS.7.NS.A.1

CCSS.7.NS.A.3

Determine if the answer to the expression will be positive or negative:

 $-\frac{25}{5}$  

• negative

• positive

Tags

CCSS.7.NS.A.2

Multiply and Divide Integers:

 $8\ \times\ \left(-5\right)$  

• -13

• 40

• -40

• 3

Tags

CCSS.7.NS.A.2

CCSS.7.NS.A.3

Multiply and Divide Rational Numbers


-

 $-9.4\ \times\left(-4.7\right)$  

• 44.18

• -44.18

• -14.1

• 14.1

Tags

CCSS.7.NS.A.2

CCSS.7.NS.A.3

Multiply and Divide Rational Numbers: Simplify your answer

 $-\left(\frac{1}{2}\right)\ \times\ 2$  

• 1

•  $-\frac{2}{2}$  

• -1

•  $-2\ \frac{1}{2}$  

Tags

CCSS.7.NS.A.2

CCSS.7.NS.A.3

Tiana and Maria are 14 years old and they each want to save up enough money to buy a Nintendo Switch which costs $246. They decide to start a lawn mowing business.

Tiana mowed 4 lawns and charged $20.50 for each lawn she mowed.

Maria mowed 6 lawns and charged $15.75 for each lawn she mowed.

What is the difference between their earnings?

• $4.75

• $66.25

• $12.50

• $74

Tags

CCSS.7.EE.B.3

CCSS.7.NS.A.1

CCSS.7.NS.A.3

Tiana and Maria are 14 years old and they each want to save up enough money to buy a Nintendo Switch which costs $246. They decide to start a lawn mowing business.

Tiana mowed 4 lawns and charged $20.50 for each lawn she mowed.

Maria mowed 6 lawns and charged $15.75 for each lawn she mowed.

How many lawns does Tiana need to mow to buy a Nintendo Switch?

• 5 lawns

• 4 lawns

• 12 lawns

• 11 lawns

Tags

CCSS.7.EE.B.3

CCSS.7.EE.B.4

CCSS.7.NS.A.2

CCSS.7.NS.A.3