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DEVELOPING ESTIMATION SKILLS : A study was done with some Class 3 and Class 4 children of five village schools to gauge how well they had understood the standard algorithms. The children were asked to solve problems of the type 1234 + 469. The responses were very interesting. Many of them were:
The children were; surprised by such answers. Clearly, their ability to estimate the approximate size of the answer was undeveloped. Therefore, they didn't ask themselves or, answer, "Does my answer seem reasonable?"
Why is this ability to estimate the computed result important? Don't we apply it again and again in our daily lives'? For instance, when we are buying several things, and want to quickly make sure that the total cost is within our budget, isn't this skill we use.
The ability to estimate computed results also helps us to detect arithmetical errors. Even when we use calculators, it helps us to quickly check if we haven't pressed any wrong buttons!.You can think of other ways in which this ability helps, while doing the following exercise.
Properties of Logarithms 1. log a xy = log a x + log a y 2. = log a x - log a y 3. log a x n = n log
what is mean and mode
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IF 7 AND 2 ARE TWO ROOTS OF THE EQUATION |X 3 7 2 X 2 7 6 X |=0 THEN FIND THE THIRD ROOT IS
Brewery has 12 oz bottle filling machines. Amount poured by machine is normal distribution mean 12.39 oz SD 0.04 oz. Company is interested in in reducing the amount of extra beer
An electric utility company determines the monthly bill for a residential customer by adding an energy charge of 5.72 cents per kilowatt-hour to its base charge of $16.35 per month
CONSTANTS OF INTEGRATION Under this section we require to address a couple of sections about the constant of integration. During most calculus class we play pretty quick and lo
While we first looked at mechanical vibrations we looked at a particular mass hanging on a spring with the possibility of both a damper or/and external force acting upon the mass.
Consider the unary relational symbols P and L, and the binary relational symbol On, where P(a) and I(a) encode that a is a point and a (straight) line in the 2-dimensional space, r
Standard interpretations to derivatives Example Assume that the amount of money in a bank account is specified by P (t ) = 500 + 10
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