Question

estimate 812-349 using front-end-estimation
show work

Answer 1

eh? use the calci?

Answer 2

idk what front end elstimation is but i know reg estimation

Answer 3

800-350

Answer 4

812 = 800 + 12

349 = 350 - 1

800 - 350 +12 + 1

= 450 + 12 + 1

= 463

Answer 5

omg i made a fool of myself lol.. never heard of such a method o_O

Answer 6

i never heard of it either

Answer 7

me etheir

Answer 8

akshay same here

Answer 9

robtobey is typing a reply… maybe he knows it

Answer 10

u mean ankonsha then it just became robtobey

Answer 11

A hand calculator is the way to go.

Answer 12

this is kind ah confusing

Answer 13

? that took a while @robtobey

Answer 14

so wht answer

Answer 15

i will go with 463

Answer 16

are u sure it is 146

Answer 17

?

Answer 18

wht is the answer

Answer 19

463

Answer 20

ok