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Math 125
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    [Mathematics Content Standards]
    [One-to-one correspondences](for section 1.1)
    [Counting](for section 1.1)
    [Notes on number systems](for section 1.2)
    [Equal addend subtraction algorithm](for section 4.2)
    [Introduction to Supplements]
 

    [Table of contents for preliminary exam]
    [Practice preliminary exam]


    [Lab 1][Answers to Lab 1]
    [Lab 2][Answers]
    [Lab 3][Answers]
    [Lab 4]
    [Lab 5]
    [Lab 6]
    [Lab 7]
    [Lab 8]
    [Lab 9][Lab 9 number lines]
    [Lab 10]

   
    
    Ocean of Zeros 1
    Ocean of Zeros 2

    [More working backward problems]

   

    Homework
    (
sorry, you cannot download homework assignments in digital formats due to copy right
      restrictions, you must attend lectures. However, you can find out which problem is
      assigned from the list below.)

    section 2.1A  p.53
    15, 16, 17

    section 2.2A  p.67
    1 - 2, 4 - 9, 11, 14, 15, 17.

    section 2.2B p.70
    20 (challenging)

    section 2.3A  p.78
    1 - 16, 

    section 3.1A  p.118
    1 - 11, 13, 15 - 21.

    section 3.2A  p.134
    1, 3 - 14, 18 - 21, 24 - 26, 29, 31.

    section 3.3A  p.145
    1 - 12, 14, 17, 22.

    section 4.1A  p.166
    1 - 7, 12, 17, 19, 26, 31, 38, 41.

    section 4.2A  p.183
    1 - 5, 7, 9 - 21, 23, 24, 27, 32, 35 - 37, 43.

    section 5.1A  p.214
    1 - 15, 17 - 19, 25 - 27, 35, 36, 43, 45, 46.

    section 5.2A  p.227
    1 - 10, 12, 13, 16, 17, 21, 

    section 6.1A  p.250
    1 - 8,6, 8 - 12, 14, 16 - 19, 21, 23 - 27.

    section 6.2A  p.262
    1 - 8, 10, 11, 13, 15, 17 - 28.

    Section 6.3A  p.276
    1 - 10, 13, 15 - 17, 20, 24 - 27, 30 - 32, 35 - 37.

    Section 7.1A  p.294
    1 - 14, 17, 20

    Section 7.2A  p.305
    1 - 9, 11 - 15, 18 - 20, 26, 28 - 31, 35.

    Section 7.3A  p.315
    1 - 7, 9 - 21, 26, 28.

    Section 7.4A  p.329
    1 - 4, 7 - 16, 20, 26, 27, 35, 37, 43.

    section 8.1A  p.353
    1 - 9, 11, 13, 16 - 18, 22, 24 - 26.

    section 8.2A  p.368
    1 - 4, 7 - 9, 11, 13, 17, 18, 23, 25, 28.

    section 9.1A  p.394
    2 - 14.

    section 9.2A  p.412
    1, 2, 6, 9 - 13.

 

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