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MATH Integrated Planning Outline Grade: 5th Unit 4-Divide Whole Numbers and Decimals Dates: 10/18-11/18/10 Grade Level Expectations Checks for Understanding GLE 0506.1.2 Apply and adapt a variety of appropriate strategies to problem solving, including estimation, and reasonableness of the solution. GLE 0506.1.3 Develop independent reasoning to communicate mathematical ideas and derive algorithms and/or formulas. GLE 0506.1.5 Use mathematical ideas and processes in different settings to formulate patterns, analyze graphs, set up and solve problems and interpret solutions. 0506.1.5 Solve problems in more than one way and explain why one process may be more effective than another. GLE 0506.2.3 Develop fluency with division of whole numbers. Understand the relationship of divisor, dividend, and quotient in terms of multiplication and division. 0506.2.7 Understand the placement of the decimal point in calculations of multiplication and long division, including the placement in the estimation of the answer. GLE 0506.3.1 Understand and use order of operations. 0506.2.8 Understand that division by zero is undefined. GLE 0506.3.2 Develop and apply the concept of variable. GLE 0506.3.3 Understand 0506.1.8 Use patterns, models, and relationships as contexts for writing inequalities and simple equations. 0506.1.4 Explore problems in different contexts to interpret the meaning of remainders as State Performance Indicators SPI 0506.1.3 Recognize the unit associated with the remainder in a division problem or the meaning of the fractional part of a whole given in either decimal or fraction form. SPI 0506.2.3 Select a reasonable solution to a real-world division problem in which the remainder must be considered. SPI 0506.2.4 Solve problems involving the division of two- and threedigit whole numbers by one- and two-digit whole numbers. SPI 0506.2.7 Recognize equivalent representations for the same number. Days: 22 Resources VOCABULARY: dividend, divisor, quotient, remainder, order of operations, functions, variable, operation, equation, linear equation, inequality, equivalent HOTS: What happens to your quotient when dividing a number less than one compared to the quotient when dividing a number that is greater than one? Compare and contrast multiplying and dividing decimals. Why is it important to interpret remainders correctly? What if you use two sets of compatible numbers, 180 ÷ 6 and 240 ÷ 6, to estimate 239 ÷ 6? Which estimate will be closer to the exact answer? Explain. Explain how you can tell without dividing whether the quotient of 539 ÷ 6 will have 2 digits or 3. Explain how you would place the first digit in 430/7. LITERATURE INTEGRATION: The Doorbell Rang by Pat Hutchins Safari Park A Remainder of One by Elinor J. Pinczes One Hundred Hungry Ants The Little Mouse, The Little Ripe Strawberry, and the Big Hungry Bear The Pigeon Finds a Hot Dog Hersheys Kisses Multiplication & Division by Jerry Palotta TECHNOLOGY/MANIPULATIVES: base ten blocks and grid/graph paper, money, part/part-whole cards, balance scale, checkerboard, tiles on floor Study Island , Compass Kidspiration (Long Division, Division with Blocks) and apply the substitution property. discrete values or not. 0506.3.1 Evaluate an expression by substituting non-negative rational number values for letter variables in the expression. 0506.3.2 Use variables appropriately to represent numbers whose values are not yet known. 0506.3.3 Solve singlestep linear equations using inverse operations. (Supplement to include inverse operations.) 0506.3.5 Determine if a given value is a solution to a linear equation/inequality. SPI 0506.2.8 Write terminating decimals in the form of fractions or mixed numbers. Power Media Plus: Multiplying & Dividing www.mathisfun.com (animations on division) www.svusd.org/p_subject.asp?sid=5339 www.funbrain.com (“Power football”) www.themathpage.com www.fun4thebrain.com/division.html www.coolmath.com http://nlvm.usu.edu/en/nav/vlibrary.html http://www.harcourtschool.com/menus/math.html http://illuminations.nctm.org/ http://www.nctm.org/resources/elementary.aspx http://www.internet4classrooms.com/ ACTIVITIES/STRATEGIES: Use Place Value Flip Book for Dividing Decimals Use Algebra tiles to demonstrate division Use balance scale to demonstrate equations Use tiles on floor to model Use mnemonics (i.e. Does McDonalds Sell Burgers Regularly – Divide, Multiply, Subtract, Bring Down, Remainder) I Do/We Do/You Do (model, guided practice, independent practice) Page 260/ 5th Grade Math Manual – Use grid paper to break apart problems 5 x 16 (i.e. 5 x 10, 5 x 6). Play “Writer, Brain, and Calculator” “Writer” calls out the question and the “Brain” and “Calculator” race to think through the answer. EMBEDDED WRITING ACTIVITIES: Note-taking/Journals Use to meet writing portfolio requirements Word Problems Process Charts (step-by-step directions) Compare and contrast multiplication and division Student composes word problems and higher order thinking questions. Poetry (verses, syllables, haiku, etc.) Journal Entry: Think, Solve, Explain Solve and be able to explain 2 ways to do this problem. Example: 527 divided by 8. (i.e. 1. 50 x 8 = 400 so 527 – 400 = 127. 2. 10 x 8 = 80, so 127 – 80 = 47 5 x 8 = 40, so 47-40 = 7. Answer 50 + 10 + 5 = 60 with remainder of 7 CROSSCURRICULAR INTEGRATION: Give students numerical Civil War statistics. Students are to create division word problems using the statistics. (i.e. Soldiers traveled for 1 week for a total of 175 miles. How many miles did they travel per day?) Science Experiments (If the teacher bought 124 ounces of baking soda for the class. How many ounces does each student get?)