Estimate fraction and decimal sums or differences. SPI 0506.1.2

Links verified on 12/5/2011

1. Adding and Subtracting Fractions with Like Denominators - five multiple-choice questions
2. Adding and Subtracting Fractions with Unlike Denominators - five multiple-choice questions
3. Computation Castle - a game that requires the utilization of several math skills: mixed numbers/improper fractions, equivalent fractions, metric conversions, exponents, rounding to the nearest thousands and thousandths and place value
4. Estimating Decimal Sums and Differences - five multiple-choice questions
5. Estimate Fractional Distance - watch Grammy carefully and estimate the fractional distance that represents where she jumped over the hedge
6. Estimating Sums and Differences of Fractions - five multiple-choice questions
7. Fraction Model I - This tool explores several representations for fractions using adjustable numerators and denominators. You can see decimal and percent equivalents, as well as a model that represents the fraction.
8. Rounding - Discover how rounding is a process which produces another number that is close to the original number. Learn how to round numbers up or down to the nearest rounding number. Work through the lesson, experiment with the interactive figure and then answer ten questions. [caution: do not submit until you have selected answers to all of the questions] and
9. Rounding Fractions and Mixed Numbers - five multiple-choice questions
10. Solving Decimal Word Problems - ten examples and five practice problems

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