Math Mammoth Grade 4 Class Description: In the fourth grade, students focus on multi-digit multiplication and division, and a start to studying fractions and decimals, accompanied by studies in geometry and measuring. The main areas of study in Math Mammoth Light Blue Grade 4 are: 1. review of addition and subtraction, patterns, and graphs. 2. large numbers up to millions, and the place value concept., 3. multi-digit multiplication 4. solve more complex problems using various measuring units and to convert between measuring units of time, temperature, length, weight, and volume 5. long division and using division in word problems 6. measure and draw angles, solve simple angle problems, classify triangles, parallel and perpendicular lines. 7. basic operations with fractions and decimals. (From MathMammoth.com.) Learning Materials: Main Curriculum: Math Mammoth Light Blue Student Worktexts 4A, 4B, Answer Key book, Cumulative Review& Test book. (*PEARL Recommends using the printed workbook version. It can be purchased at Amazon.com. Alternatively, you could purchase the download but be aware that you will need to print all the worktext pages out yourself. Downloads & CDs are available at MathMammoth.com.) Supplemental Curriculum: https://www.youtube.com/user/mathmammoth Math Mammoth Skills Review Grade 4 Workbook ruler (metric/inches) measuring tape (feet/meters) Learning Goals/Performance Objectives: 4.OA.2 Multiply or divide to solve word problems involving multiplicative comparison, e.g., by using drawings and equations with a symbol for the unknown number to represent the problem, distinguishing multiplicative comparison from additive comparison. 4.OA.3 Solve multistep word problems posed with whole numbers and having whole-number answers using the four operations, including problems in which remainders must be interpreted. Represent these problems using equations with a letter standing for the unknown quantity. Assess the reasonableness of answers using mental computation and estimation strategies including rounding. 4.NF.1 Explain why a fraction a/b is equivalent to a fraction (n a) /(n b) by using visual fraction models, with attention to how the number and size of the parts differ even though the two fractions themselves are the same size. Use this principle to recognize and generate equivalent fractions. 4.NF.2 Compare two fractions with different numerators and different denominators, e.g., by creating common denominators or numerators, or by comparing to a benchmark fraction such as 1/2. Recognize that comparisons are valid only when the two fractions refer to the same whole. Record the results of comparisons with symbols >, =, or <, and justify the conclusions, e.g., by using a visual fraction model. 4.NF.5 Express a fraction with denominator 10 as an equivalent fraction with denominator 100, and use this technique to add two fractions with respective denominators 10 and 100. 4.NF.6 Use decimal notation for fractions with den 4.NF.7 Compare two decimals to hundredths by reasoning about their size. Recognize that comparisons are valid only when the two decimals refer to the same whole. Record the results of comparisons with the symbols >, =, or <, and justify the conclusions, e.g., by using a visual model.
4.NBT.1 Recognize that in a multi-digit whole number, a digit in one place represents ten times what it represents in the place to its right. 4.NBT.2 Read and write multi-digit whole numbers using base-ten numerals, number names, and expanded form. Compare two multi- digit numbers based on meanings of the digits in each place, using >, =, and < symbols to record the results of comparisons. 4.NBT.3 Use place value understanding to round multi-digit whole numbers to any place. 4.NBT.4 Fluently add and subtract multi-digit whole numbers using the standard algorithm. 4.NBT.5 Multiply a whole number of up to four digits by a one-digit whole number, and multiply two two-digit numbers, using strategies based on place value and the properties of operations. Illustrate and explain the calculation by using equations, rectangular arrays, and/or area models. 4.NBT.6 Find whole-number quotients and remainders with up to four-digit dividends and one-digit divisors, using strategies based on place value, the properties of operations, and/or the relationship between multiplication and division. Illustrate and explain the calculation by using equations, rectangular arrays, and/or area models. 4.G.2 Classify two-dimensional figures based on the presence or absence of parallel or perpendicular lines, or the presence or absence of angles of a specified size. Recognize right triangles as a category, and identify right triangles. 4.G.3 Recognize a line of symmetry for a two-dimensional figure as a line across the figure such that the figure can be folded along the line into matching parts. Identify line-symmetric figures and draw lines of symmetry. 4.MD.2 Use the four operations to solve word problems involving distances, intervals of time, liquid volumes, masses of objects, and money, including problems involving simple fractions or decimals, and problems that require expressing measurements given in a larger unit in terms of a smaller unit. Represent measurement quantities using diagrams such as number line diagrams that feature a measurement scale. 4.MD.5 Recognize angles as geometric shapes that are formed wherever two rays share a common endpoint, and understand concepts of angle measurement: 4.MD.6 Measure angles in whole-number degrees using a protractor. Sketch angles of specified measure. 4.MD.7 Recognize angle measure as additive. When an angle is decomposed into non-overlapping parts, the angle measure of the whole is the sum of the angle measures of the parts. Solve addition and subtraction problems to find unknown angles on a diagram in real world and mathematical problems, e.g., by using an equation with a symbol for the unknown angle measure. Learning Activities: The student will complete these activities, following the timeline below. The student will complete Worktexts 4A and 4B, and supplement learning with the review workbook and online math websites. There is a summative test after each chapter. SEPTEMBER-Chapter 1: Addition, Subtraction, Patterns, and Graphs Addition Review 4.OA.3 4.OA.5 Adding in Columns 4.OA.3 Subtraction Review 4.OA.5 Subtract in Columns4.OA.3 Patterns and Mental Math 4.OA.3 4.OA.5 Patterns in Pascal's Triangle 4.OA.5 Bar Models in Addition and Subtraction 4.OA.3 Order of Operations 4.OA.3 Making Bar Graphs 4.OA.3 Line Graphs 4.OA.3 Rounding 4.NBT.3 Estimating 4.OA.3 4.NBT.3 OCTOBER-( Chapter 1 continued) Rounding 4.NBT.3
Estimating 4.OA.3 4.NBT.3 Money and Discounts4.OA.3 4.MD.2 Calculate and Estimate Money Amounts 4.OA.3 4.MD.2 Review 4 4.OA.3 4.MD.2 CHAPTER 1 TEST Chapter 2: Large Numbers and Place Value Thousands 4.NBT.1 4.NBT.2 At the Edge of Whole Thousands 4.NBT.1 More Thousands4.NBT.1 4.NBT.2 Practicing with Thousands 4.NBT.1 4.NBT.2 Place Value with Thousands 4.NBT.1 4.NBT.2 Comparing with Thousands4.OA.5 4.NBT.2 Adding and Subtracting Big Numbers 4.OA.5 4.NBT.1 4.NBT.4 Rounding and Estimating Large Numbers 4.NBT.3 Multiples of 10, 100, and 1000 4.NBT.1 Mixed Review 4.OA.3 4.NBT.2 4.MD.2 Review 4.NBT.1 4.NBT.2 4.NBT.3 4.NBT.4 CHAPTER 2 TEST NOVEMBER-Chapter 3: Multi-Digit Multiplication Understanding Multiplication 4.OA.1 4.OA.2 Multiplication Tables Review 4.OA.2 4.OA.3 Scales Problems Multiplying by Whole Tens and Hundreds 4.OA.2 4.OA.3 4.NBT.1 4.NBT.5 4.MD.3 Multiply in Parts 1 4.OA.1 4.OA.2 4.OA.3 4.NBT.5 Multiply in Parts 2 4.OA.1 4.OA.2 4.NBT.5 More Practice 4.OA.2 4.OA.5 4.NBT.5 Estimating in Multiplication 4.OA.2 4.NBT.3 Multiply in Columns - the Easy Way 4.OA.2 4.NBT.5 Multiply in Columns - the Easy Way, Part 2 4.OA.2 4.OA.3 4.NBT.5 Multiply in Columns - the Standard Way 4.OA.1 4.OA.2 4.OA.3 4.NBT.5 Multiplying in Columns, Practice 4.OA.1 4.OA.2 4.OA.3 4.NBT.3 4.NBT.5 DECEMBER-(Chapter 3 continued) Order of Operations Again 4.OA.1 4.OA.2 4.OA.3 4.NBT.5 Money and Change 4.OA.1 4.OA.2 4.OA.3 4.MD.2 So Many of the Same Thing 4.OA.3 4.OA.5 4.MD.2 Multiplying Two-Digit Numbers in Parts 4.NBT.5 Multiply by Whole Tens in Columns 4.OA.2 4.NBT.4 4.NBT.5 Multiplying in Parts: Another Way 4.OA.2 4.NBT.5 The Standard Multiplication Algorithm with a Two-Digit Multiplier4.OA.1 4.OA.2 4.NBT.5 Mixed Review 4.OA.2 4.OA.3 4.NBT.1 4.NBT.3 4.NBT.4 4.NBT.5 Review 4.OA.1 4.OA.2 4.OA.3 4.OA.5 4.NBT.1 4.NBT.5 4.MD.2 CHAPTER 3 TEST JANUARY-Chapter 4: Time and Measuring Time Units 4.MD.1 4.MD.2 The 24-Hour Clock 4.MD.2 Elapsed Time or How Much Time Passes 4.MD.2 Measuring Temperature: Celsius Measuring Temperature: Fahrenheit Temperature Line Graphs Measuring Length 169 4.MD.1
More Measuring in Inches and Centimeters 4.MD.3 4.MD.4 Feet, Yards, and Miles 4.MD.1 4.MD.2 4.MD.3 Metric Units For Measuring Length 4.MD.1 4.MD.2 4.MD.3 Customary Units of Weight 4.MD.1 4.MD.2 Metric Units of Weight 4.MD.1 4.MD.2 Customary Units of Volume 4.MD.1 4.MD.2 Metric Units of Volume 4.MD.1 4.MD.2 Mixed Review 4.OA.2 4.OA.3 4.NBT.3 4.NBT.5 Review 4.MD.1 4.MD.2 4.MD.3 CHAPTER 4 TEST FEBRUARY-Chapter 5: Division Review of Division 4.OA.2 4.OA.5 4.NBT.6 Division Terms and Division with Zero 4.NBT.6 Dividing Whole Tens and Hundreds 4.OA.3 4.NBT.1 4.NBT.6 Finding Fractional Parts with Division 4.OA.2 4.OA.3 Order of Operations and Division The Remainder, Part 1 4.OA.3 The Remainder, Part 2 4.OA.3 Long Division 1 4.NBT.6 Long Division 2 4.NBT.6 Long Division 3 4.NBT.6 MARCH-(Chapter 5 continued) Long Division with 4-Digit Numbers 4.OA.3 4.NBT.6 More Long Division 4.OA.3 4.NBT.6 Remainder Problems 4.OA.2 4.OA.3 4.NBT.6 Long Division with Money 4.MD.2 Long Division Crossword Puzzle 4.NBT.6 Average 4.OA.3 Problems with Fractional Parts 4.OA.3 4.MD.2 Problems to Solve 4.OA.2 4.OA.3 4.MD.2 Divisibility 4.OA.4 Prime Numbers 4.OA.4 Finding Factors 4.OA.4 Mixed Review 4.OA.3 4.NBT.1 4.NBT.2 4.NBT.3 4.NBT.4 4.MD.1 Review 4.OA.2 4.OA.3 4.OA.4 4.NBT.1 4.NBT.6 CHAPTER 5 TEST APRIL-Chapter 6: Geometry Area of Rectangles 4.MD.3 Review: Area and Perimeter 4.MD.3 Lines, Rays, and Angles 4.MD.5 4.G.1 Measuring Angles 4.MD.6 Drawing Angles 4.MD.6 4.G.1 Angle Problems 4.MD.6 4.MD.7 Estimating Angles 4.MD.6 Parallel and Perpendicular Lines 4.G.1 Parallelograms 4.MD.6 4.G.1 4.G.2 Triangles 4.MD.6 4.G.2 Line Symmetry 4.G.3 Mixed Review 4.OA.3 4.MD.1 4.NBT.5
Review 4.MD.3 4.MD.5 4.MD.6 4.MD.7 4.G.1 4.G.2 4.G.3 CHAPTER 6 TEST MAY/JUNE- Chapter 7: Fractions One Whole and Its Fractional Parts 4.NF.3 Mixed Numbers 4.NF.3 Adding Fractions and Mixed Numbers 1 4.NF.3 Adding Fractions and Mixed Numbers 2 4.NF.3 Equivalent Fractions 4.NF.1 4.NF.5 Subtracting Fractions and Mixed Numbers 4.NF.3 4.NF.5 Comparing Fractions 4.NF.2 Multiplying Fractions by Whole Numbers 4.NF.4 Practicing with Fractions 4.NF.1 4.NF.2 4.NF.3 4.NF.4 Mixed Review 4.OA.3 4.NBT.6 4.MD.2 4.MD.3 4.MD.6 4.G.1 4.G.2 Review 4.NF.1 4.NF.2 4.NF.3 4.NF.4 4.NF.5 CHAPTER 7 TEST Chapter 8: Decimals Decimal Numbers Tenths 4.NF.6 4.NF.7 Adding and Subtracting with Tenths 4.NF.6 Two Decimal Digits Hundredths 4.NF.6 4.NF.7 Adding and Subtracting Hundredths 4.MD.2 Adding and Subtracting Decimals in Columns 4.NF.7 4.MD.2 Using Decimals with Measuring Units 4.NF.6 4.MD.2 Mixed Review 4.OA.3 4.OA.4 4.NBT.5 4.NF.3 4.NF.4 4.G.3 4.MD.2 4.MD.6 Review 4.NF.6 4.NF.7 4.MD.2 CHAPTER 8 TEST Progress Criteria/Methods of Evaluation: For successful completion of this course, the student will complete at least 70% of the lessons/goals, at a minimum of 70% accuracy. See timeline above.