estimate first then name the sum or difference use your estimate to check your work 41+37
Answers
Answered by
29
estimate-40+40=80
now 80-estimated no.
80-2=
78=
is it correct
now 80-estimated no.
80-2=
78=
is it correct
khushi712:
minus 40 plus 40 is equal to 0 dear
Answered by
19
Estimate 40+40=80
Now 80 estimate no
80_2=78
It is correct
Now 80 estimate no
80_2=78
It is correct
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