Integers, absolute value, and adding

What's a way to define absolute value?

• The value of a number
• The opposite of a number
• The distance of a number from zero
• The multiplicative inverse of a number

Tags

CCSS.6.NS.C.7C

What is the reason that absolute value is always written as a positive?

• Absolute value is talking about numbers so it must be positive.
• Absolute value does not always have to be positive.
• Absolute value is like a clock it has only positive numbers.
• Absolute value is talking about distance, distance is always measured by positive numbers.

Tags

CCSS.6.NS.C.7C

Evaluate the expression.
| 9 |

• 0.9
• 9
• -9
• 90

Tags

CCSS.6.NS.C.7C

| –3 |

• 3
• -3
• 0.30
• 30

Tags

CCSS.6.NS.C.7C

l - 4 l  + l -1 l

• 5
• 3
• 4
• -5

Tags

CCSS.6.NS.C.7C

Evaluate the expression.
|–5| + 8

• 3
• 13
• -13
• -3

Tags

CCSS.6.NS.C.7C

-12 + 9

• 21
• 3
• -3
• -21

Tags

CCSS.7.NS.A.1C

-9 + 9

• 18
• -18
• 0
• 81

Tags

CCSS.7.NS.A.1B

7 + (-14)

• 7
• 21
• -21
• -7

Tags

CCSS.7.NS.A.1B

-4 + 9

• 5
• -5
• 13
• -13

Tags

CCSS.7.NS.A.1C