Small Decimal Rounding to a Leading Digit

Round to the first non-zero digit of decimals less than 1.0.

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Practice Small Decimal Rounding to a Leading Digit

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Estimated6 minsto complete
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Estimate Decimal Products and Quotients Using Leading Digits

Have you ever had to figure out a dilemma involving money? Take a look at this situation.

Guided Practice

Here is one for you to try on your own.

Solution

First, we take only the leading digits and rewrite this problem.

Now our work is quite simple.

Our estimate is .

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Directions: Estimate each product or quotient by using leading digits.

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Color Highlighted Text Notes

Vocabulary Language: English

TermDefinition
Dividend In a division problem, the dividend is the number or expression that is being divided.
divisor In a division problem, the divisor is the number or expression that is being divided into the dividend. For example: In the expression $152 \div 6$, 6 is the divisor and 152 is the dividend.
Estimate To estimate is to find an approximate answer that is reasonable or makes sense given the problem.
Leading Digit The leading digit of a decimal number less than one is the first digit to the right of the decimal point that is not a zero.