![Mathematics](/tpl/images/cats/mat.png)
Mathematics, 20.12.2019 15:31, ulilliareinhart2
Directions: estimate the sum or difference using front end estimation.
1) 97 – 39
2) 812,344 – 187,675
3) 321 + 79
directions: estimate the product using front end estimation.
4) 315 x 821
5) 562 x 791
6) 82 x 156
7) 711 x 884
8) 126 x 952
9) 824 x 541
10) 4027 x 78
11) 796 x 123
directions: estimate the quotient using front end estimation.
12) 817 19
13) 3615 72
14) 232 64
15) 559 81
16) 2986 222
17) 10275 232
18) 7428 286
19) 7143 369
20) 628,597 1525
![answer](/tpl/images/cats/otvet.png)
Answers: 3
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Directions: estimate the sum or difference using front end estimation.
1) 97 – 39
...
1) 97 – 39
...
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