Third+Grade+Unit+4+mathcasts

= __Third Grade Mathcasts__ =

**December 2009**
=Everyday Math Unit 4 - Multiplication and Division = situations and communicate the reasoning used in solving these problems.** __Goal 1__ • Write the number that is 100 more. __Goal 6__ • Use number lines to order whole numbers and fractions.
 * STANDARD 1: Number Sense: Develop number sense and use numbers and number relationships in problem-solving

numbers, shapes, data, and graphs in problem-solving situations and communicate the reasoning used in solving these problems.** __Goal 1__ • Use a rule to solve multiplication and division problems. • Extend numerical patterns. __Goal 2__ • Use the +, -, and = symbols. __Goal 4__ • Use the Commutative Property of Multiplication and the Multiplication Identity.
 * STANDARD 2—Algebraic Thinking: Use algebraic methods to explore, model, and describe patterns and functions involving

situations and communicate the reasoning used in solving these problems.** __Goal 1__ • Collect and organize data.
 * STANDARD 3—Data and Probability: Use data collection and analysis, statistics, and probability in problem-solving


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situations and communicate the reasoning used in solving these problems.** __Goal 2__ • Find areas of rectangular shapes by counting unit squares. • Find areas of rectangles.
 * STANDARD 5—Measurement: Use a variety of tools and techniques to measure, apply the results in problem-solving
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__Goal 4__ • Tell time to nearest minute and write time in digital notation.
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estimation, mental arithmetic, paper-and-pencil, calculators, and computers, in problem-solving situations and communicate the reasoning used in solving these problems.** __Goal 3__ • Solve multiplication facts.
 * Standard 6—Computation: Link concepts and procedures as they develop and use computational techniques, including
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• Count up by 2s, 5s, and 10s. • Count back by 2s, 5s, and 10s.


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• Complete fact families.




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= = Unit 4 Mathcasts