Estimating Long Division Flashcards
1
Q
217 x 3.1234566
A
220 x 3 answer is about 660
2
Q
345 x 2.67
A
350 x 2 = 700
350 x 3 = 1,050
this means
350 x 2.5 answer is about 850
which is in the middle
3
Q
217 x 310
A
200 x 300 answer is about 60,000
4
Q
897 x 2.9
A
900 x 3 answer is about 2,700
5
Q
774 x 213
A
800 x 200 answer is about 160,000
