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Maths Teachers ask students to estimte the sums of large numbers before they actually solve the solution because students that do this regularly will eventually become very accurate and will soon be able to guess the entire problem correctly without any working out. Estimating is a very good learning technique and is very effiecient!

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Q: Why should you estimate before you find the sum or difference of larger number?

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If you have an exact number what is the need for an estimate?To the nearest whole number, it is 1; to the nearest ten (or larger) it is 0.If you have an exact number what is the need for an estimate?To the nearest whole number, it is 1; to the nearest ten (or larger) it is 0.If you have an exact number what is the need for an estimate?To the nearest whole number, it is 1; to the nearest ten (or larger) it is 0.If you have an exact number what is the need for an estimate?To the nearest whole number, it is 1; to the nearest ten (or larger) it is 0.

Estimate each difference means to estimate the numbers that they give you estimate means round to the nearest 10 like if 24 and you have to round it it will be 20 if the number is 25 which is in the middle than it will be the number upper which is 30

The difference is ten times the number.

The idea is to subtract the larger number minus the smaller number.

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If you have an exact number what is the need for an estimate?To the nearest whole number, it is 1; to the nearest ten (or larger) it is 0.If you have an exact number what is the need for an estimate?To the nearest whole number, it is 1; to the nearest ten (or larger) it is 0.If you have an exact number what is the need for an estimate?To the nearest whole number, it is 1; to the nearest ten (or larger) it is 0.If you have an exact number what is the need for an estimate?To the nearest whole number, it is 1; to the nearest ten (or larger) it is 0.

One number is eight more than twice another if their difference is 25. The larger number is 42

This method is called quadrat sampling. It involves counting the number of organisms in a small defined area (quadrat), then multiplying that count to estimate the total number of organisms in a larger area based on the assumption that the distribution is homogeneous.

Estimate each difference means to estimate the numbers that they give you estimate means round to the nearest 10 like if 24 and you have to round it it will be 20 if the number is 25 which is in the middle than it will be the number upper which is 30

The difference is ten times the number.

0.8 is larger. The difference between the two numbers is 0.072.

clear number and guessing

subtract the smaller number from the larger number.

It is the larger even number less the smaller one.

Subtract the difference and half your answer, giving 9 which is the smaller number, add the difference to this and you get 38 which is the larger number.

The idea is to subtract the larger number minus the smaller number.

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