Integer Addition Rules

Integer Addition Rules

Learning Target: I can use my knowledge of integers to solve addition problems using rules, counters, and number lines.

Multiple Choice

The integer 0 is ____ -15

• =

• <

• >

Multiple Choice

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

Multiple Choice

increase of $25

• 25
• -25

Multiple Choice

What is the combined value of 1 negative and 1 positive? Why?

• -2, because there's a negative

• 0, because they form a zero pair

• +2, because there's a positive

• 1, because there's a one

Multiple Choice

-4 + -13 = ?

• 9

• 17

• -9

• -17

Multiple Choice

-8 + -12

• -20

• 20

• -4

• 4

Multiple Choice

-9 + (-5)

• -14
• 14
• -4

Multiple Choice

-8 + 20

• -28
• 28
• 14
• 12

Multiple Choice

10 + (-4) = ?

• -6
• 6
• 14
• -14

Multiple Choice

-14 + 19 =

• -33

• 33

• -5

• 5

IXL Lessons Week One

• C.1 Integer Addition Rules: https://www.ixl.com/math/grade-7/integer-addition-rules 

• C.2 Add Integers with Counters: https://www.ixl.com/math/grade-7/add-integers-using-counters

• C.3 Add Integers with Number Lines: https://www.ixl.com/math/grade-7/add-integers-using-number-lines

• Extra Credit will be given for completing all three!

• 1/3 = 70%

• 2/3 = 100%

• 3/3 = 110%