MATH-7 SOL Review 7.3 - Integers Exam not valid for Paper Pencil Test Sessions 1 Look at the model below. Which number sentence is best represented by the model? A B C D E 2 [Exam ID:WYEAZW -2 + (-3) = -5 5 - 2 = 3 3 + (-5) = -2 -2 + 5 = 3 -2 + 3 = 1 Which number sentence is represented by this model? A B C D -4 • 5 = -20 -4 • 5 = 20 4 • (-5) = 20 -4 • (-5) = -20 3 Look at the key. Which model is correctly shown? A B C D 4 Eric is modeling addition and subtraction of integers on the number line. If he begins at point A, what could he do to get to point B? A add 5 B add - 10 C subtract -10 D subtract 5 5 Using the key as a guide, what is the result of the operation in the model? A B C D 3 25 -25 -3 6 Use the number line to complete the sentence The value of xy will be A B C D 7 negative, because both values are negative positive, because one value is negative and one is positive positive, because both values are positive negative, because one value is negative and one is positive Directions: Click on a box to choose each answer you want to select. You must select all correct answers. Identify each number that can be placed in the blank to make the value of this expression a negative number. ( -13) - __?__ -23 8 -20 -17 -14 -12 -8 2 10 Directions: Click on a box to choose each expression you want to select. You must select all correct expressions. Identify each expression that is equivalent to -2. -4 + 8 • (-1) ÷ 2 (-12 + 8) ÷ 2 -12 - (-4) + (-3) • (-2) 5 + (-6) • 4 + 2 -6 - (-12) ÷ 3 9 Directions: Click on the box to choose each statement that you want to select. You must select all correct statements. Identify each true statement. 10 - (-4) = -14 4 • (-3) = 12 (-5) • (-6) = 30 (-27) ÷ (-3) = 9 (-12) + 13 = 1 4 • (-7) = -28 10 ÷ (-5) = -2 (-9) - 5 = -4 10 Which expression is equivalent to -48 ÷ 6? A B C D -4 • (-2) -52 - 60 -120 ÷ (-15) -37 + 29 11 Which of the following equations is NOT true? A B C D - 2 - ( - 6 ) = - 4 2 - ( - 6 ) = 8 - 6 - ( - 7 ) = 1 6 - 7 = - 1 12 Which expression is equivalent to -6 • 14? A B C D 13 168 ÷ (-2) -11 - 95 -80 + 4 -21 • (-4) On Monday the temperature was -3°C. On Tuesday it was 4° warmer. What was the temperature on Tuesday? A -1°C B C D 7°C 7°C 1°C - 14 Evaluate 2(4 + 7) - 8 A B C D 6 14 48 -14 15 Loihi is an underwater volcano with an elevation of 969 meters below sea level. Mauna Loa is 5,138 meters higher than Loihi. What is the elevation of Mauna Loa? A 4,169 m B 6,107 m C 5,138 m D 6,009 m 52 + 3(5) = 16 A B C D 40 25 65 140 17 When simplifying the expression, using order of operations, which operation should be performed first? 10 - 6 ÷ 2 + 2 • 5 A B C D 2 • 5 2 + 2 6 ÷ 2 10 - 6 18 Which expression will result in a negative number? A 9 + (-5) B -3 + 3 C -3 + 2 D -6 + 8