Q: What term describes Numbers that are easy to compute mentally?

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It depends on your computational skills.

Your brain, of course.

No, but if you practice you can learn to do it and it gets easier. Start of by learning (by rote) your times tables and when adding up do so in 10s.

Compatible numbers can easily be divided mentally.

Break it up into two separate problems. First 4X25=100, which is easy enough. Then 27X100=2700.

Related questions

benchmark numbers

Compatible Numbers numbers that are easy to compute mentally are called

It depends on your computational skills.

Numbers like 10, 25, 50, and 100 are easy to compute mentally because they have simple multiples or divisions that are easy to work with. For example, doubling 25 is 50, or dividing 100 by 10 gives you 10. These numbers are often used as benchmarks in mental math calculations.

Your brain, of course.

No, but if you practice you can learn to do it and it gets easier. Start of by learning (by rote) your times tables and when adding up do so in 10s.

easy to divide mentally

Compatible numbers can easily be divided mentally.

Compatible numbers can easily be divided mentally.

Break it up into two separate problems. First 4X25=100, which is easy enough. Then 27X100=2700.

Rational?

dont know about associative property but this one is easy in your head. 4x25=100x27=2700