0019idn
Answered

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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

Sagot :

1) 58

2) 624669

3) 400

4) 258615

5)444542

6)12792

7) 628524

8) 119952

9) 445784

10) 314106

11) 97908
Melissashaddadidn
1)58
2)624669
3)400
4)258615
5)455542
6)12792
7)628524
8)119952
9)445784
10)314106
11)97908
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