Question 1 The difference between two numbers is -5. Which of the expressions could represent the subtraction problem? Choose all that apply! -6 – (-1)

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Presentation transcript:

Question 1 The difference between two numbers is -5. Which of the expressions could represent the subtraction problem? Choose all that apply! -6 – (-1) 3 – 8 -4 – 3 -4 – (-2) A & B

Question 2 B & C 3 Game Score 1 2 -1 3 -3 In golf, scores that are under the expected score are represented by negative numbers. Jim played three games of golf during a tournament. He scores for each game are in the table. Which statement is true about Jim’s score during the tournament? Jim’s score changed between game 1 and game 2 by 1. Jim’s score changed from game 2 and game 3 by -2. Jim’s score changed from game 1 to game 3 by -4. What was the total score for all three games?? Game Score 1 2 -1 3 -3 B & C 3

Question 3 Let a represent a positive number and b represent a negative number. Tell whether the statement is true or false. The sum of ( a + b) could be positive. The difference ( a – b) could be negative. The sum (b + a) must be negative. TRUE FALSE

Question 4 Write if the answer to the expression is a positive sum, negative sum or zero. 8 + (-2)+(-3) -4 +7 + (-3) 2 + (-5)+ (-3) Positive Zero Negative

Question 5 -4 - (-3) - 2 Write as an addition problem -4 - (-3) - 2 Write as an addition problem What is the value of this expression? -4 + 3 + (-2) -3

Question 6 Demonstrate how to add -3 + (-5) on a horizontal number line. -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2

Question 7 Demonstrate how to add -6 + 8 on a vertical number line. 3 2 1 -1 -2 -3 -4 -5 -6

Question 8 -6 -5 -3 -12 21 -22 -2 + (-4) = 4. -7 – (-2) = -2 + (-4) = 4. -7 – (-2) = 3 + (-6) = 5. -3 – 9 = -21 = 6. Opposite of 22 = -6 -5 -3 -12 21 -22

Question 9 Campbell dropped a fishing line 12 feet below the surface of the water. He decided to move the line up 5 feet closer to the surface of the water. What integer best describes the position of the fishing hook? -7 feet

Question 10 At 7 p.m. it was -15 degrees outside. By 11 p.m. it was -23 degrees. What was the change in temperature from 7 p.m. to 11 p.m.? -8