Question

Directions: Estimate the Sum or Difference using Front End Estimation:

1) 9755 – 3960

2) 812,344 – 187,675

3) 32154 + 79155

4) 71,429 + 36,802

5) 46291 – 12569

6) 62279 + 87628

Answer 1

Answer:

1) 6,000

2) 700,000

3) 100,000

4) 100,000

5) 30,000

6) 140,000

Step-by-step explanation:

1) 9,000 - 3,000 = 6,000

2) 800,000 - 100,000 = 700,000

3) 30,000 + 70,000 = 100,000

4) 70,000 + 30,000 = 100,000

5) 40,000 – 10,000 = 30,000

6) 60,000 + 80,000 = 140,000

Answer 2

as i said before, subtract only the numbers in the greatest place value. 9-3=6