Fourth+Grade+Unit+6+Mathcasts

= __Fourth Grade Mathcasts__ =

__ by Standard __
= = = = =__January 2010 - Unit 6__ =

• Identify places in decimals and the values of the digits in those places.
 * STANDARD 1—Number Sense (Continued): Develop number sense and use numbers and number relationships in problem solving situations and communicate the reasoning used in solving these problems. (Aligned to Everyday Mathematics Strand of Number and Numeration)**
 * Goal 1**

• Write number models to represent number stories. • Solve open sentence involving multiplication and division facts.
 * STANDARD 2—Algebraic Thinking: Use algebraic methods to explore, model, and describe patterns and functions involving**
 * numbers, shapes, data, and graphs in problem-solving situations and communicate the reasoning used in solving these problems. (Aligned to Everyday Mathematics Strand of Patterns, Functions, and Algebra)**
 * Goal 2**

• Explain and show how parentheses can be used when writing a number model for number stories.
 * Goal 3**

• Create a bar graph.
 * STANDARD 3—Data and Probability: Use data collection and analysis, statistics, and probability in problem-solving situations and communicate the reasoning used in solving these problems. (Aligned to Everyday Mathematics Strand of Data and Chance)**
 * Goal 1**

• Draw an example of an acute, an obtuse, a straight, and a reflex angle. • Classify and measure angles.
 * STANDARD 4—Geometry: Use geometric concepts, properties. and relationships in problem-solving situations and**
 * communicate the reasoning used in solving these problems. (Aligned to Everyday Mathematics Strand of Geometry)**
 * Goal 1**

• Draw angles less than or greater than 90. • Classify and measure angles.
 * STANDARD 5—Measurement: Use a variety of tools and techniques to measure, apply the results in problem-solving situations and communicate the reasoning used in solving these problems. (Aligned to Everyday Mathematics Strand of Measurement and Reference Frames)**
 * Goal 1**

• Compare coordinate grid systems. • Plot points on a coordinate grid.
 * Goal 4**

• Solve decimal addition and subtraction problems.
 * Standard 6—Computation: Link concepts and procedures as they develop and use computational techniques, including estimation, mental arithmetic, paper-and-pencil, calculators, and computers, in problem-solving situations and communicate the reasoning used in solving these problems. (Aligned to Everyday Mathematics Strand of Operations and Computation)**
 * Goal 2**

• Solve division problems and number stories with 1-digit divisors and 2-digit dividends. • Solve multidigit multiplication number stories.
 * Goal 4**
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• Solve problems involving the division of multidigit whole numbers by 1-digit divisors.


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• Solve a number story and explain how to show the remainder.


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• Solve division number stories; interpret remainders. • Divide multidigit numbers by 1-digit divisors; express remainders as fractions.


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• Multiply multidigit numbers and compare them.

• Round numbers.
 * Goal 6**


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= = =Unit 5 Mathcasts=