Name _____________________________                     Date __________________________

Algebra 1B                                Worksheet         Fall Semester Review Part A

1. If a number is divisible by 3 then _________________________________________
   __________________________________________

2. If a number is divisible by 5 then _________________________________________
   __________________________________________

3. List the PRIME numbers. ________________________________________________


4. What is a composite number? ____________________________________________


5. Find the prime factorization of each number using factor trees. ( Show all work )

             a.   140                            b.   -18




             a. ___________                      b. _____________


                                           4x
6. Circle the numerator of the fraction
                                          9a 2

7. What does the denominator of a fraction tell us? _______________________________
   _____________________________________

8. What does the numerator of a fraction tell us? _________________________________
   ______________________________________

9. How do we reduce a fraction?
      ___________________________
      ___________________________
      ___________________________




                                                                                          1
Find the equivalent ( equal ) fraction, show the factoring and the dividing out in the
middle blank.

           12
10.                                  _______________________
           30


             − 14
11.                                  _______________________
              21



             18ab 2
12.                                  _______________________
             24a 3c


             − 10
13.                                  _______________________
             − 25


14. List the steps we should go through to multiply fractions.

       ____________________________
       ____________________________
       ____________________________



Multiply the following:

      25         .       14
15.                               ____________________    ___
      28                 35

       5     .           −9
16.                               ____________________    ___
       6                 10

      10 x           .   3y 3
17.                                ____________________    ___
      9y 2                25


      − 9z           .    10a 3
18.                               ____________________     ___
      16a                 3z 2




                                                                                         2
Divide the fractions. Be sure to reduce all answers to lowest terms. ( Show your work )

                    Multiplication Problem           Factoring                 Answer

      15      10
19.      Ă·                 ____   .   ____    _________________________           ___
       8       3


      11   33
20.      Ă·                 ____   .   ____    _________________________           ___
      15   5


      5     3
21.      Ă·                 ____   .   ____     _________________________          ___
      28   14


Divide the following:

       7
22.      Ă· 14                _________________________       ___
      15


      6    −5
23.      Ă·                   _________________________       ___
      21   9



      4x 3         − 12x
24.           Ă·               _________________________      ___
      15a 2        5a



Add the fractions and reduce your answers to lowest terms.

                    1   5                                             1   3
25.                   +                        26.                      +
                   14   6                                             6   8

        _________       + __________                     _________      + __________


              ____________                                         ____________


                    _____                                              _____




                                                                                          3
2   5                                                a   a
27.                     +                            28.                     +
                      8   22                                               4   6

        _________       + __________                           _________       + __________


                 ____________                                         ____________


                    _____                                                  _____




                       −3    7                                            7   1
29.                       -                                  30.            -
                       20   30                                           10   5



31. List the rules we use to add signed numbers



32. Add the following:

      A. 4 + (-6)                     B. –9 + (-16)                C. –40 + (-9)

      D. – 3 + 3                      E. –5 + 3ÂŒ                   F. –11.3 + (5.2)

33. List the rule we use to change subtraction into addition.



34. Subtract:

      A. 4 – 9                        B. 23 - (-9)                 C. –6 – 7

      D. –15 – (–6)                   F. 180 - ( 64 - 27 )

35. Evaluate        a – b –c     for a = 9, b = -2, and c = 6. (Show work)




                                                                                              4
36. List the rules we use to multiply ( or divide ) signed numbers



37. Multiply the following:

   A. (5)(-2)                  B. -3 (-6)          C. (-7)(-3)        D. (-2) 3

38. Evaluate       a(b) – c     for a = 8, b = -2, and c = 5. (Show work)



39. Evaluate for k = -1, m = 3, and n = 0. (Show work)

   A. (-k) 5                                 B. –17n                  C. kmn



40. Simplify or Evaluate - show your work.

   A. 5 - 7ÂČ                   B. – 2x for x = - 8       C. Find 7a – 5 b for a = 3, b = -2



   D. Find 3a ÂČ + b for a = -1, b = -9                   E. Find –4(x – y)ÂČ for x = -2, y = 4



                3a − b
   F. Find               for a = 6, b = -4               G. Find a Âł - b for a = -2, b = -3
                a +b




40. Define “like” terms of an expression:


41. Simplify:

   A. –5x + 12x                       B. –3y – y                      C. 7y + 4x + 2y + 7x


   D. 6 – 3z – 5z – 1                 E. –3x + 4y + 3x + 4y           F. 4a – 5.2a




                                                                                                5
42. Simplify then Evaluate:

   A. 8y + 4x + 2y + 7x                         B. 2 c – 3 ( 6 c + 7)   for c = -3
      for x = -2 and y = 3



43. Simplify:

   A. – ( 4 x + 2 y )                           B. –3 ( x + y ) + œ ( x – 14y )


   C. – 4 ( 3 z – 4 )                           D. –10 – [ 2 ( 4 x + 5 ) – ( 2 x – 1 ) ]



   E. – 4 x – ( 9 – 5 x ) + 2


44. Evaluate:

   A. – ( 5 z – 4 ) – 2 ( 3 – 4 z ) for z = 2          B. 4 ( -3 a + 1 ) – 4 a    for a = œ




45. List the steps we use to solve equations. (hint: they are posted on the walls in Burd’s room)




46. State the properties of equality.




47. Use the properties of equality to solve the following equations:
   a. 2x = 14                                           c. 13 = a – 3




   b. x + 5 = 17                                            b
                                                       d.       = 11
                                                            8




                                                                                                6
e. 20 = 6x + 8       i. 3n – 21 = 2n




f. 15 – 4g = -33     j. 3k – 5 = 7k + 7




           t         k. 3( z – 2 ) + 6 = 5 ( z + 4 )
g. –17 +       = 3
           5



                     l. 6r + 5 = 8 ( r + 2 ) – 2r
     5+r
h.         = -6
      −2




                                                       7

Fall Semester Review Part A Alg 1 B

  • 1.
    Name _____________________________ Date __________________________ Algebra 1B Worksheet Fall Semester Review Part A 1. If a number is divisible by 3 then _________________________________________ __________________________________________ 2. If a number is divisible by 5 then _________________________________________ __________________________________________ 3. List the PRIME numbers. ________________________________________________ 4. What is a composite number? ____________________________________________ 5. Find the prime factorization of each number using factor trees. ( Show all work ) a. 140 b. -18 a. ___________ b. _____________ 4x 6. Circle the numerator of the fraction 9a 2 7. What does the denominator of a fraction tell us? _______________________________ _____________________________________ 8. What does the numerator of a fraction tell us? _________________________________ ______________________________________ 9. How do we reduce a fraction? ___________________________ ___________________________ ___________________________ 1
  • 2.
    Find the equivalent( equal ) fraction, show the factoring and the dividing out in the middle blank. 12 10. _______________________ 30 − 14 11. _______________________ 21 18ab 2 12. _______________________ 24a 3c − 10 13. _______________________ − 25 14. List the steps we should go through to multiply fractions. ____________________________ ____________________________ ____________________________ Multiply the following: 25 . 14 15. ____________________ ___ 28 35 5 . −9 16. ____________________ ___ 6 10 10 x . 3y 3 17. ____________________ ___ 9y 2 25 − 9z . 10a 3 18. ____________________ ___ 16a 3z 2 2
  • 3.
    Divide the fractions.Be sure to reduce all answers to lowest terms. ( Show your work ) Multiplication Problem Factoring Answer 15 10 19. Ă· ____ . ____ _________________________ ___ 8 3 11 33 20. Ă· ____ . ____ _________________________ ___ 15 5 5 3 21. Ă· ____ . ____ _________________________ ___ 28 14 Divide the following: 7 22. Ă· 14 _________________________ ___ 15 6 −5 23. Ă· _________________________ ___ 21 9 4x 3 − 12x 24. Ă· _________________________ ___ 15a 2 5a Add the fractions and reduce your answers to lowest terms. 1 5 1 3 25. + 26. + 14 6 6 8 _________ + __________ _________ + __________ ____________ ____________ _____ _____ 3
  • 4.
    2 5 a a 27. + 28. + 8 22 4 6 _________ + __________ _________ + __________ ____________ ____________ _____ _____ −3 7 7 1 29. - 30. - 20 30 10 5 31. List the rules we use to add signed numbers 32. Add the following: A. 4 + (-6) B. –9 + (-16) C. –40 + (-9) D. – 3 + 3 E. –5 + 3ÂŒ F. –11.3 + (5.2) 33. List the rule we use to change subtraction into addition. 34. Subtract: A. 4 – 9 B. 23 - (-9) C. –6 – 7 D. –15 – (–6) F. 180 - ( 64 - 27 ) 35. Evaluate a – b –c for a = 9, b = -2, and c = 6. (Show work) 4
  • 5.
    36. List therules we use to multiply ( or divide ) signed numbers 37. Multiply the following: A. (5)(-2) B. -3 (-6) C. (-7)(-3) D. (-2) 3 38. Evaluate a(b) – c for a = 8, b = -2, and c = 5. (Show work) 39. Evaluate for k = -1, m = 3, and n = 0. (Show work) A. (-k) 5 B. –17n C. kmn 40. Simplify or Evaluate - show your work. A. 5 - 7ÂČ B. – 2x for x = - 8 C. Find 7a – 5 b for a = 3, b = -2 D. Find 3a ÂČ + b for a = -1, b = -9 E. Find –4(x – y)ÂČ for x = -2, y = 4 3a − b F. Find for a = 6, b = -4 G. Find a Âł - b for a = -2, b = -3 a +b 40. Define “like” terms of an expression: 41. Simplify: A. –5x + 12x B. –3y – y C. 7y + 4x + 2y + 7x D. 6 – 3z – 5z – 1 E. –3x + 4y + 3x + 4y F. 4a – 5.2a 5
  • 6.
    42. Simplify thenEvaluate: A. 8y + 4x + 2y + 7x B. 2 c – 3 ( 6 c + 7) for c = -3 for x = -2 and y = 3 43. Simplify: A. – ( 4 x + 2 y ) B. –3 ( x + y ) + œ ( x – 14y ) C. – 4 ( 3 z – 4 ) D. –10 – [ 2 ( 4 x + 5 ) – ( 2 x – 1 ) ] E. – 4 x – ( 9 – 5 x ) + 2 44. Evaluate: A. – ( 5 z – 4 ) – 2 ( 3 – 4 z ) for z = 2 B. 4 ( -3 a + 1 ) – 4 a for a = œ 45. List the steps we use to solve equations. (hint: they are posted on the walls in Burd’s room) 46. State the properties of equality. 47. Use the properties of equality to solve the following equations: a. 2x = 14 c. 13 = a – 3 b. x + 5 = 17 b d. = 11 8 6
  • 7.
    e. 20 =6x + 8 i. 3n – 21 = 2n f. 15 – 4g = -33 j. 3k – 5 = 7k + 7 t k. 3( z – 2 ) + 6 = 5 ( z + 4 ) g. –17 + = 3 5 l. 6r + 5 = 8 ( r + 2 ) – 2r 5+r h. = -6 −2 7