How Do You Determine Reasonableness?

How do you check for reasonableness in Division?

You can determine if an answer in division is reasonable by learning to estimate the answers.

Round the divisor to the nearest 10 or 100, depending on how many digits are in the divisor..

What does reasonability mean?

Definition of ‘reasonability’ 1. showing reason or sound judgment. 2. having the ability to reason.

What is fair and reasonable?

A fair and reasonable price is the price point for a good or service that is fair to both parties involved in the transaction. This amount is based upon the agreed-upon conditions, promised quality and timeliness of contract performance.

What does more than reasonable mean?

SEE DEFINITION OF more reasonable. adj.moderate, tolerable. adj.intelligent, practical.

What is the general rule of estimate?

THE GENERAL RULE FOR ESTIMATING IS TO LOOK AT THE DIGIT TO THE RIGHT OF THE DIGIT YOU WANT TO ESTIMATE. ESTIMATING OR ROUNDING TO THE NEAREST WHOLE NUMBER MEANS LOOKING AT THE DIGIT TO THE RIGHT OF THE DECIMAL. IF YOU SEE A DIGIT GREATER THAN 5, ROUND UP, AND IF IT’S LESS THAN 5, ROUND DOWN.

Can an answer be incorrect even if it looks reasonable?

Explanation: Yes, an answer can be incorrect even if it looks reasonable, for two main reasons: The assumptions (premises or statements) on which the reasoning is based are wrong.

What makes someone reasonable?

The “reasonable person” is a hypothetical individual who approaches any situation with the appropriate amount of caution and then sensibly takes action. It is a standard created to provide courts and juries with an objective test that can be used in deciding whether a person’s actions constitute negligence.

How do you estimate your answer?

The general rule for estimating is to look at the digit to the right of the digit you want to estimate. Estimating or rounding to the nearest whole number means looking at the digit to the right of the decimal. If you see a digit greater than 5, round up, and if it’s less than 5, round down.

What is an answer?

1a : something spoken or written in reply to a question His answer surprised us. b : a correct response knows the answer. 2 : a reply to a legal charge or suit : plea also : defense. 3 : something done in response or reaction His only answer was to walk out. 4 : a solution of a problem More money is not the answer.

How do you check for reasonableness?

Subtract the smaller number from the larger one to check for reasonableness. In this example, you would subtract 600 from 651 to get 51. The numbers are reasonably close, so you can probably accept that 651 is the correct answer.

How do you assess the reasonableness of your answer?

Well, one way to use reasonableness is to estimate the answer to see if your answer is an outrageous answer or not. So, looking at your problem, you see that you are multiplying a two hundred something number by 4 and then subtracting 10 from it.

What is another word for not reasonable?

1, 2 senseless, foolish, silly. 2 preposterous, absurd, stupid, nonsensical. 3 extravagant.

How do you explain standard algorithm?

A standard algorithm is a step-by-step way to solve a problem. Here we are going to focus on what a standard algorithm is for basic multi-digit math, although there are many, many algorithms to solve all kinds of different problems.

What is estimation with example?

Estimation is often done by sampling, which is counting a small number of examples something, and projecting that number onto a larger population. An example of estimation would be determining how many candies of a given size are in a glass jar.

Why is estimation an important skill?

For students, estimating is an important skill. First and foremost, we want students to be able to determine the reasonableness of their answer. Without estimation skills, students aren’t able to determine if their answer is within a reasonable range.

Just, rational, appropriate, ordinary, or usual in the circumstances. It may refer to care, cause, compensation, doubt (in a criminal trial), and a host of other actions or activities.

What does check for reasonableness mean?

To be reasonable means to be as much as is appropriate or fair. In math, reasonableness can be defined as checking to verify that the result of the solution or the calculation of the problem is correct or not, be either estimating or by plugging in your result to check it.

What does mean reasonable?

1a : being in accordance with reason a reasonable theory. b : not extreme or excessive reasonable requests. c : moderate, fair a reasonable chance a reasonable price. d : inexpensive.

What is a reasonable estimation?

A reasonable estimate does not exceed the original numbers from a problem.

What are compatible numbers?

Compatible numbers are pairs of numbers that are easy to add, subtract, multiply, or divide mentally. When using estimation to approximate a calculation, replace actual numbers with compatible numbers.

What are partial products?

When your child first learns to multiply two two-digit numbers, she will use the area model. … Next, she will multiply tens times ones. Then, ones times tens and last, ones times ones. These are called partial products. This is the product, or answer.

Which number is the best estimate for 819 279?

Therefore, the best estimate is 1100.

How do you use reasonable in a sentence?

The reasonable man adapts himself to the world; the unreasonable one persists in trying to adapt the world to himself. It seems a perfectly reasonable request to make. They’ve lived together in reasonable harmony for many years. The police apparently thought this explanation perfectly reasonable.More items…•

What does personable mean in English?

: pleasant or amiable in person : attractive.