Math Check Answers

1.) 1 7/8 + 1/9

0
1 ***
2
2 1/2

2.) 8 8/9 - 5 1/11

4 **
5
14
11

3.) 7 2/3 x 3 7/9

2 3/27
11 4/9 **
28 26/27
21 14/27

4.) Walter had 2/4 yard of string. He used 1/2 of the string for a school project. How many yards of string did he use fir his project?

5/24
1
0
1/4 **

5.) Mali-li has 7 1/5 yd. of material. Her new will take 2 3/5 yd. How much material will she have left after the skirt is made?

9 yd.
4 3/5 yd.
5 2/5 yd. **
9 4/5 yd.

Thanks!

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  1. 1 and 5 are wrong. The other three are correct.

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    Ms. Sue
  2. 1. 1 7/8 + 1/9
    = 15/8 + 1/9 , LCD = 72
    = 135/72 + 8/72
    = 143/72
    none of the choices match

    2.
    8 8/9 - 5 1/11
    = 80/9 + 56/11
    = 880/99 + 448/99
    = 1328/99
    none of your choices match this.

    3.3.) 7 2/3 x 3 7/9
    = 23/3 x 34/9
    = 782/27
    not your choice.

    are you just guessing?
    show me how you are getting your answers.

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  3. Ms. Sue can you help me with 5 and 1 please?

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  4. Number 1 is 2

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