# Math HELP!

Use benchmarks to estimate the sum, difference, or product.

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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Ms. Sue
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