Adding Rational Numbers

Fill in the blank for the following rule: If the rational numbers have same signs, ______________ the absolute values and keep the common sign.

• add

• subtract

• multiply

• divide

Tags

CCSS.7.NS.A.1C

Fill in the blank for the following rule: If the rational numbers have different signs, ____________________ the absolute values and keep the sign of the number with the biggest absolute value.

• add

• subtract

• multiply

• divide

Tags

CCSS.7.NS.A.1C

Which situation could be represented by the equation: - 30 + 30 = 0 ?

• Jacob bought a hat for $30. He then bought some headphones for $30.

• Charmeal loaned $30 to her brother. She then paid her back $30 the next day.

• Shoney drove 30 miles to the library. She then drove 30 more miles to her college.

• Alysha filled a tank with 30 gallons of water. She then filled the tank with 30 more gallons.

Tags

CCSS.7.NS.A.1B

What is the value of -456 + 905?

• -449

• 1361

• 449

• -1361

Tags

CCSS.7.NS.A.1C

What is the value of (-115) + 23?

• -138

• 92

• 138

• -92

Tags

CCSS.7.NS.A.1C

What is the value of (-612) + (-221)?

• 883

• -391

• -833

• 391

Tags

CCSS.7.NS.A.1C

What is the value of -12.45 + 206.3?

• -218.75

• -193.85

• 218.75

• 193.85

Tags

CCSS.7.NS.A.1C

What is the value of the sum of (–2.12) + (-6.84) added to (- 4.19)?

• 4.72

• -8.96

• -0.94

• -13.15

Tags

CCSS.7.NS.A.1C

What is the value of the following expression?

• -12 and 19/21

• -12 and 1/2

• -2 and 3/4

• -2 and 5/21

Tags

CCSS.7.NS.A.1C

What is the value of the following expression?

• -72

• -8 and 2/3

• 40 and 1/3

• 72

Tags

CCSS.7.NS.A.1C