Class Starters 2

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Here is a comprehensive list of class starters for second semester. These are designed to help increase student fluency in basic math skills and those things that they will most likely see on state and national standardized tests.

Contents

Class Starter 21

Answer the following questions without a calculator.
Show all your work and circle your answer. Keep these in your notebook.
Number Operations & Concepts Algebra and Geometry
1. -23 - 7 6. 2x - 11 = 15
2. 13 + (-19) 7. -7x = -56
3. (-51) \huge \times (-17) 8. \huge \frac {1}{3} x = 5
4. (-84) \huge \div (-2) 9. 2x + 4 = 5x - 11
5. Reduce: \huge \frac {-56}{-49} 10. 7x - 3 = 9x - 5











Answers
-30, -6, 3, 42, 8/7, 13, 8, 15, 5, 1.

Class Starter 22

Answer the following questions without a calculator.
Show all your work and circle your answer. Keep these in your notebook.
Number Operations & Concepts Algebra and Geometry
1. -31 - 9 6. 3x - 4 = 14
2. 19 + (-13) 7. 6x = -42
3. (-19) \huge \times (-3) 8. \huge \frac {2}{5} x = 10
4. (-51) \huge \div (-17) 9. 5x + 4 = 5x - 11
5. Reduce: \huge \frac {-12}{-60} 10. 3x + 19 = 9x - 5











Answers
-30, -6, 3, 42, 8/7, 13, 8, 15, 5, 1.

Class Starter 23

Answer the following questions without a calculator.
Show all your work and circle your answer. Keep these in your notebook.
Number Operations & Concepts Algebra and Geometry
1. -24 - (-14) 6. 7 + 4x = 23
2. -19 + (-12) 7. -39 = -3x
3. (24) \huge \times (-4) 8. \huge \frac {5}{9} x = 15
4. (-98) \huge \div (-7) 9. 7x + 11 = 19 + 7x
5. Reduce: \huge \frac {-84}{-14} 10. 11x - 9 = 2x + 18











Answers
-10, -31, -96, 14, 6, 4, 13, 27, NS, 3.

Class Starter 24

Answer the following questions without a calculator.
Show all your work and circle your answer. Keep these in your notebook.
Number Operations & Concepts Algebra and Geometry
1. -17 - (-22) 6. 13 + 2x = 19
2. -31 + (-19) 7. -7x = -42
3. (-17) \huge \times (-6) 8. \huge \frac {3}{5} x = 15
4. (-108) \huge \div (-9) 9. 12 + 4x = 3x + 7
5. Reduce: \huge - \frac {54}{45} 10. 13x - 4 = 2x + 18











Answers
5, -50, 102, 12, -6/5, 3, 6, 25, -5, 2.

Class Starter 25

Answer the following questions without a calculator.
Show all your work and circle your answer. Keep these in your notebook.
Number Operations & Concepts Algebra and Geometry
1. 23 - (-19) 6. 17 = 2x - 3
2. 36 + (-17) 7. 28 = -4x
3. (-13) \huge \times (-5) 8. \huge \frac {1}{7} x = 6
4. (-112) \huge \div (-7) 9. 5x + 9 = 9x - 3
5. Reduce: \huge - \frac {84}{98} 10. 6x + 7 = 2(3x - 5)











Answers
42, 19, 65, 16, 6/7, 10, -7, 42, 3, NS.

Class Starter 26

Answer the following questions without a calculator.
Show all your work and circle your answer. Keep these in your notebook.
Number Operations & Concepts Algebra and Geometry
1. -34 - (-17) 6. 3 + 5x = 23
2. 24 + (-12) 7. -26 = -2x
3. (42) \huge \times \huge \frac {1}{2} 8. \huge \frac {1}{2} x = 7
4. (-84) \huge \div (-2) 9. 3(2x + 1) = 6x + 3
5. Reduce: \huge - \frac {54}{108} 10. 7x + 4 = 3x + 12











Answers
-17, 12, 21, 42, 1/2, 4, 13, 14, ∞, 2.

Class Starter 27

Answer the following questions without a calculator.
Show all your work and circle your answer. Keep these in your notebook.
Number Operations & Concepts Algebra and Geometry
1. -36 - (-12) 6. -33 = -11x
2. 42 + (-14) 7. 5x + 3 = 18
3. (51) \huge \times \huge \frac {1}{3} 8. \huge \frac {1}{3} x = 14
4. (-96) \huge \div (-3) 9. 3(2x + 4) = 7x + 8
5. Reduce: \huge - \frac {24}{72} 10. 5x - 7 = 3x + 11











Answers
-24, 28, 17, 32, -1/3, 3, 3, 42, 3, 9.

Class Starter 28

Answer the following questions without a calculator.
Show all your work and circle your answer. Keep these in your notebook.
Number Operations Algebra Concepts
1. -32 - (-24) 6. -40 = -4x
2. 48 + (-12) 7. 6x + 1 = 25
3. (96) \huge \times \huge \frac {1}{4} 8. \huge \frac {1}{4} x = 13
4. (-68) \huge \div (-4) 9. 4x + 12 = 2(2x + 6)
5. Reduce: \huge \frac {18}{72} 10. 7x - 5 = 7x + 3











Answers
-24, 28, 17, 32, -1/3, 3, 3, 42, 3, 9.

Class Starter 29

Answer the following questions without a calculator.
Show all your work and circle your answer. Keep these in your notebook.
Number Operations Algebra Concepts
1. (-12) - (-13) 6. 7x = -63
2. 17 + (-15) 7. 4x - 9 = 55
3. (21) \huge \times \huge \frac {1}{7} 8. \huge \frac {2}{5} x = -10
4. (-64) \huge \div (-16) 9. 5x - 7 = x + 9
5. Reduce: \huge \frac {75}{15} 10. 9x - 11 = 3x - 5











Answers
1, 2, 3, 4, 5, -9, 16, -25, 4, 1.

Class Starter 30

Answer the following questions without a calculator.
Show all your work and circle your answer. Keep these in your notebook.
Number Operations Algebra Concepts
1. (-27) - (-37) 6. -9x = -45
2. 23 + (-14) 7. 3x + 7 = 19
3. (24) \huge \times \huge \frac {1}{3} 8. \huge \frac {3}{5} x = 6
4. (-56) \huge \div (-8) 9. 2(x + 7) = 8x - 4
5. Reduce: \huge \frac {12}{72} 10. 5x - 9 = 2x + 12











Answers
10, 9 , 8, 7, 1/6, 5, 4, 10, 3, 7.

Class Starter 31

Answer the following questions without a calculator.
Show all your work and circle your answer. Keep these in your notebook.
Number Operations Algebra Concepts
1. 24 - (-18) 6. -6x = -42
2. 19 + (-13) 7. 14x + 7 = 49
3. (72) \huge \times \huge \frac {1}{6} 8. \huge \frac {2}{7} x = 12
4. (-108) \huge \div (-18) 9. 6(2x - 1) = 9x + 12
5. Reduce: \huge \frac {14}{42} 10. 3(2x - 3) = 6x - 9











Answers
42, 6, 12, 6, 1/3, 7, 3, 42, 6, I.

Class Starter 32

Answer the following questions without a calculator.
Show all your work and circle your answer. Keep these in your notebook.
Number Operations Algebra Concepts
1. 19 - (-27) 6. -11x = -99
2. 17 + (-34) 7. 13x + 7 = 33
3. (48) \huge \times \huge \frac {1}{3} 8. \huge \frac {1}{5} x = 7
4. (-96) \huge \div (16) 9. 2(4x + 1) = 8x - 5
5. Reduce: \huge \frac {13}{65} 10. 7x - 6 = 4x + 3











Answers
46, -17, 16, -6, 1/5, 9, 2, 35, NS, 3.

Class Starter 33

Answer the following questions without a calculator.
Show all your work and circle your answer. Keep these in your notebook.
Number Operations Algebra Concepts
1. 23 + (-17) 6. 16x = 64
2. -34 - (-42) 7. 11x - 4 = 51
3. (42) \huge \times \huge \frac {1}{7} 8. \huge \frac {1}{6} x = 7
4. (-126) \huge \div (-3) 9. 7x - 5 = 3x + 19
5. Reduce: \huge \frac {14}{84} 10. 3x + 17 = 9x - 7











Answers
6, 8, 6, 42, 1/6, 4, 5, 42, 6, 4.


Class Starter 34

Answer the following questions without a calculator.
Show all your work and circle your answer. Keep these in your notebook.
Number Operations Algebra Concepts
1. \huge \frac {3}{4} + \frac {2}{5} 6. 16x = 64
2. \huge \frac {4}{9} + \frac {5}{7} 7. 11x - 4 = 51
3. \huge \frac {3}{4} - \frac {2}{5} 8. \huge \frac {1}{6} x = 7
4. \huge \frac {4}{9} - \frac {5}{7} 9. 7x - 5 = 3x + 19
5. Reduce: \huge \frac {16}{48} 10. 3x + 17 = 9x - 7











Answers
6, 8, 6, 42, 1/6, 4, 5, 42, 6, 4.


Class Starter 35

Answer the following questions without a calculator.
Show all your work and circle your answer. Keep these in your notebook.
Number Operations Algebra Concepts
1. \huge \frac {3}{4} \times \frac {2}{5} 6. 16x = 64
2. \huge \frac {4}{9} \times \frac {5}{7} 7. 11x - 4 = 51
3. \huge \frac {3}{7} \div \frac {6}{15} 8. \huge \frac {1}{6} x = 7
4. \huge \frac {7}{16} \div \frac {3}{8} 9. 7x - 5 = 3x + 19
5. Reduce: \huge \frac {14}{42} 10. 3x + 17 = 9x - 7











Answers
.
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