“Computation & Estimation” Math-7 SOL Review Packet 2015 “Computation & Estimation” Math-7 SOL Review Packet #3 Topics: Integers (Add, Subtract, Multiply, & Divide) Modeling Integers (Algebra Tiles/ Number Lines) Proportional Reasoning SOL’s Covered: QUIZ NEXT CLASS ON THIS PACKET! (Participate in-class, study Quick Guide, and complete HW problems at end of packet in order to be prepared!!)

“Computation & Estimation Quick Guide”

Integers 1) 2) 3) 4) 5)

Integers 6) 7) 8) 9)

Integers 10) 11) 12) 13) New State Question! Which number sentence is represented by this model? A. -3 x -5 = 15 B. 3 x 5 = 15 C. -5 x 3 = -15 D. 5 x -3 = -15

Integers 14) 15) 16) 17) New State Question!

Integers 18) 19) 20) 21) New State Question!

Integers 22) 23) 24) 25) 26) New State Question! Name two numbers that can be placed in the blank to make the value of this expression a negative number. ? New State Question! New State Question!

Proportional Reasoning 1) 2) 3) 4) New State Question! New State Question!

Proportional Reasoning 5) 6) 7) 8) A $136.25 C $520.00 B $408.75 D $681.25 New State Question! New State Question!

Proportional Reasoning 9) 10) 11) 12) 13) New State Question!

Proportional Reasoning 14) 15) 16) 17) 18) New State Question!

Proportional Reasoning 19) 20) 21) 22) New State Question!

Practice/ Homework Problems Evaluate the following: Write the addition sentence that the below model represents: _____ + _____ = _____ Write the multiplication sentence that the below model represents: _____ x _____ = _____ The temperature in Alaska was 5 degrees on Tuesday night. By Wednesday morning, the temperature had dropped to -8 degrees. What is the difference between the two temperatures? -12 + -2 = _____ -15 - 4 = _____ -7 – (-2) = _____ -4(-6) = _____ 3(-7) = _____ 36 −9 = _____

Practice/ Homework Problems 6) 7) 8) 9) 10)

Practice/ Homework Problems What is the value of this expression? 11) 12) New State Question! New State Question! Proportions: 13) 14)

Practice/ Homework Problems 15) 16) 17) 18) 19)