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
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
add or subtract only the numbers in the greatest place value. Example would be 9755 – 3960, a good estimate is 6000 or high 5000 due to 9-3