How do you know if an estimate is reasonable explain?
To know if your estimate is reasonable, solve the problem without estimating and compare the original answer to what you got. If it’s not close, its not a reasonable estimate.
How do you determine 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 estimate when multiplying?
To estimate the result of multiplication (product), round the numbers to some close numbers that you can easily multiply mentally. One method of estimation is to round all factors to the biggest digit (place value) they have. (This is somewhat of a crude method but serves as a starting point in learning estimation.)
How do you estimate products and quotients?
Students learn to estimate a product or quotient by first rounding each number to one non-zero digit. For example, to estimate 8,291 x 27, first round 8,291 down to 8,000, and round 27 up to 30, then multiply 8,000 x 30 to get 240,000.
How do you estimate division?
You can use multiplication to check your division answer this way.
- Do the division problem.
- Multiply the quotient times the divisor.
- If there is a remainder, add it to the multiplication product.
- Compare this answer to the dividend. They should be the same number (630 = 630).
What does estimate mean?
estimate, appraise, evaluate, value, rate, assess mean to judge something with respect to its worth or significance. estimate implies a judgment, considered or casual, that precedes or takes the place of actual measuring or counting or testing out.
What is a reasonable estimate?
A reasonable estimate does not exceed the original numbers in a problem. For instance, in a division problem like 424 ÷ 4 − 10, we can check is our answer is reasonable or not, by estimating an approximate answer or by plugin gin using the division formula.
What is another name for estimate?
Some common synonyms of estimate are appraise, assess, evaluate, rate, and value. While all these words mean “to judge something with respect to its worth or significance,” estimate implies a judgment, considered or casual, that precedes or takes the place of actual measuring or counting or testing out.
What is a professional estimate of something value?
ANSWER: APPRAISAL.
What is the another name of approximate estimate?
What is another word for approximate calculation?
| estimate | assessment |
|---|---|
| appraisal | evaluation |
| estimation | reckoning |
| appraisement | approximation |
| guesstimate | judgementUK |
How do you 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.
What’s the opposite of estimate?
Opposite of an approximate calculation or judgment of the value, number, quantity, or extent of something. exact amount. exact number. exact value. precise amount.
What’s another word for Guess?
Guess Synonyms – WordHippo Thesaurus….What is another word for guess?
| estimate | conjecture |
|---|---|
| postulate | reckon |
| speculate | gaugeUK |
| surmise | approximate |
| deduce | call |
When you guess what a piece of writing is saying?
When you guess what a piece of writing is saying, you infer its meaning. Explanation: Since the hint mentioned how “in” was the first two letters, infer would only make sense.
What do you call an intelligent guess?
educated guess(noun) Synonyms: hypothesis, intelligent guess, guesstimate. educated guess(noun) An estimate, a guess value based on experience or theoretical knowledge.
What is it called when you guess something?
speculation. A conclusion to which the mind comes by speculating; mere theory; 5. 1. belief.
What does this mean Guess?
to arrive at or commit oneself to an opinion about (something) without having sufficient evidence to support the opinion fully: to guess a person’s weight. to estimate or conjecture about correctly: to guess what a word means. to think, believe, or suppose: I guess I can get there in time.
What is a guesser?
guesser (plural guessers) A person who guesses; especially someone who can make a reasonable prediction from little evidence.
What does have a guess mean?
an attempt to give an answer or an opinion when you cannot be certain if you are right. (British English) to have/make a guess. (North American English) to take a guess. Go on! Have a guess!
What does good guess mean?
Good guess!: Close! Nearly! Well tried! to guess: to make a suggestion or propose an answer without any certain evidence.
What is a sentence for Guess?
Examples of guess in a Sentence She can only guess what he meant. I had to choose one, and I guessed right. If you can’t think of an answer, guess. “I just heard why he left her.” “Let me guess—another woman.” As you might have guessed, her parents are not happy about her decision.
What does I guess mean from a guy?
“I guess” means I have nothing else to do so I’ll hang out with you. You know when you’re talking to someone and they say “anyway”, check out 0:48 in this video.