IXL | Estimate quotients using compatible numbers: 1-digit divisors

Pick the expression with the better compatible numbers to estimate

304

300

310

Now, use the expression you picked to estimate the quotient.

304

is about

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Learn with an example

question

Pick the expression with the better compatible numbers to estimate

7,260

7,300

7,200

Now, use the expression you picked to estimate the quotient.

7,260

is about

key idea

Compatible numbers are pairs of numbers you can add, subtract, multiply, or divide easily in your head.

solution

You want to find the best compatible numbers for estimating

7,260

So, find a number close to 7,260 that can be easily divided by 9.

7,200 is close to 7,260 and can be easily divided by 9. You can use place value and the basic fact

to find the quotient:

7,200

800

So,

7,200

is a good way to estimate

7,260

The quotient is about

800.

The other expression,

7,300

doesn't help you estimate. 7,300 cannot be easily divided by 9.

Looking for more? Try these:

Lesson: Estimating quotients

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Teacher tools

Work it out

Not feeling ready yet? These can help:

K.2Divide numbers ending in zeros by 1-digit numbers

Lesson: Estimating quotients

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