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Q: What are the compatible numbers and multiples of 10 to estimate the qoutient of 31200?

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35000 ÷ 70 = 500

Estimate 43/81 by using compatible numbers

It is most useful for finding quotients because it works with multiples.

we have to find compatible numbers

The best way to estimate a quotient using compatible numbers is to first understand how compatible numbers work. They are numbers that are close in value to the actual numbers and are easily added, subtracted or divided.

83+34

To estimate quotients, round the dividend and the divisor to compatible numbers.

use compatible numbers to estimate each difference 84-36

3/144

i think it is 28x26

525 + 125 = 650

301

4 and 8

you write the multiples of a number and pick the two closest ones

80+30

94

120+80

83+34

300 + 60

31.8966

23.3043

119.3333

70.013

50.0000.000

(10,5) (-10, -5)