355,002 views
7 votes
7 votes
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

User Orit
by
2.7k points

2 Answers

21 votes
21 votes
1)58
2)624669
3)400
4)258615
5)455542
6)12792
7)628524
8)119952
9)445784
10)314106
11)97908
User Vijayanand Settin
by
3.5k points
13 votes
13 votes
1) 58

2) 624669

3) 400

4) 258615

5)444542

6)12792

7) 628524

8) 119952

9) 445784

10) 314106

11) 97908
User Robert Swisher
by
2.7k points