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Published byEthelbert Briggs Modified over 6 years ago

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3-1 Estimating Fractions and Mixed Numbers A.) Estimating sums and differences of fractions One way to estimate sums/differences of fractions is to round the fractions to either 0,, 1 and then add or subtract. ½ 0 ½ 1 1

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Comparing Fractions to 1, 0 or. These fractions are close to zero. What do you notice about these fractions?

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These fractions are close to one. What do you notice about these fractions?

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These fractions are close to What do you notice about these fractions?

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Put the following fractions in the correct box. Less than More than

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Round the following fractions to either 0,, 1. ½ 0 ½ 1

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Estimate the following sums/differences. First round each fraction to 0,, 1, then add or subtract. ½ a.) + b.) - c.) +

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B.) Estimating with Mixed Numbers Step: Round each mixed number to the nearest whole number then perform the operation ( +, -, x ) a.) + b.) -c.)

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Step: When estimating quotients (review), round the divisor first, then replace the dividend with the nearest compatible #. a.) b.) ÷ ÷

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Demonstrate Understanding: Estimate 1.) 2.) 3.) 4.) ÷ + -

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