IXL | Estimate quotients using compatible numbers

Pick the expression with the better compatible numbers to estimate

5,539

5,500

5,600

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

5,539

is about

ref_doc_title.

Learn with an example

question

Pick the expression with the better compatible numbers to estimate

4,243

4,200

4,300

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

4,243

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

4,243

So, find a number close to 4,243 that can be easily divided by 6.

4,200 is close to 4,243 and can be easily divided by 6. You can use place value and the basic fact

to find the quotient:

4,200

700

So,

4,200

is a good way to estimate

4,243

The quotient is about

700.

The other expression,

4,300

doesn't help you estimate. 4,300 cannot be easily divided by 6.

Looking for more? Try these:

Lesson: Estimating quotients

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Now entering the Challenge Zone—are you ready?

Teacher tools

Work it out

Not feeling ready yet? These can help:

J.3Division facts to 12

E.2Divide numbers ending in zeros

C.2Rounding: up to millions place

Lesson: Estimating quotients

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