Math Crosswalk  4th Grade
Operations & Algebraic Thinking
Common Core Standard © 
AASL Learning Standard(s) 
4.OA.1. Interpret a multiplication equation as a comparison, e.g., interpret 35 = 5 × 7 as a statement that 35 is 5 times as many as 7 and 7 times as many as 5. Represent verbal statements of multiplicative comparisons as multiplication equations. 
1.2.5  Demonstrate adaptability by changing the inquiry focus, questions, resources, or strategies when necessary to achieve success. 
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. 
2.1.3  Use strategies to draw conclusions from information and apply knowledge to curricular areas, realworld situations, and further investigations. 
4.OA.3. Solve multistep word problems posed with whole numbers and having wholenumber 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. 
1.4.3  Monitor gathered information, and assess for gaps or weaknesses. 2.1.3  Use strategies to draw conclusions from information and apply knowledge to curricular areas, realworld situations, and further investigations. 2.1.6  Use the writing process, media and visual literacy, and technology skills to create products that express new understandings. 
4.OA.4. Find all factor pairs for a whole number in the range 1–100. Recognize that a whole number is a multiple of each of its factors. Determine whether a given whole number in the range 1–100 is a multiple of a given onedigit number. Determine whether a given whole number in the range 1–100 is prime or composite. 
2.1.1  Continue an inquirybased research process by applying criticalthinking skills (analysis, synthesis, evaluation, organization) to information and knowledge in order to construct new understandings, draw conclusions, and create new knowledge. 
4.OA.5. Generate a number or shape pattern that follows a given rule. Identify apparent features of the pattern that were not explicit in the rule itself. 
2.2.3  Employ a critical stance in drawing conclusions by demonstrating that the pattern of evidence leads to a decision or conclusion. 
Number & Operations in Base Ten¹
Common Core Standard © 
AASL Learning Standard(s) 
4.NBT.1. Recognize that in a multidigit whole number, a digit in one place represents ten times what it represents in the place to its right. For example, recognize that 700 ÷ 70 = 10 by applying concepts of place value and division. 

4.NBT.2. Read and write multidigit whole numbers using baseten numerals, number names, and expanded form. Compare two multidigit 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 multidigit whole numbers to any place. 

4.NBT.4. Fluently add and subtract multidigit whole numbers using the standard algorithm. 
2.1.1  Continue an inquirybased research process by applying criticalthinking skills (analysis, synthesis, evaluation, organization) to information and knowledge in order to construct new understandings, draw conclusions, and create new knowledge. 
4.NBT.5. Multiply a whole number of up to four digits by a onedigit whole number, and multiply two twodigit 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. 
2.1.1  Continue an inquirybased research process by applying criticalthinking skills (analysis, synthesis, evaluation, organization) to information and knowledge in order to construct new understandings, draw conclusions, and create new knowledge. 3.1.4  Use technology and other information tools to organize and display knowledge and understanding in ways that others can view, use, and assess. 
4.NBT.6. Find wholenumber quotients and remainders with up to fourdigit dividends and onedigit 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. 
3.1.4  Use technology and other information tools to organize and display knowledge and understanding in ways that others can view, use, and assess. 
^{1}Grade 4 expectations in this domain are limited to whole numbers less than or equal to 1,000,000.
Number & Number & Operations—Fractions¹
Common Core Standard © 
AASL Learning Standard(s) 
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. 
2.1.6  Use the writing process, media and visual literacy, and technology skills to create products that express new understandings. 
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. 
2.1.3  Use strategies to draw conclusions from information and apply knowledge to curricular areas, realworld situations, and further investigations. 2.2.3  Employ a critical stance in drawing conclusions by demonstrating that the pattern of evidence leads to a decision or conclusion. 
4.NF.3.a. Understand a fraction a/b with a > 1 as a sum of fractions 1/b: Understand addition and subtraction of fractions as joining and separating parts referring to the same whole. 
1.1.6  Read, view, and listen for information presented in any format (e.g., textual, visual, media, digital) in order to make inferences and gather meaning. 
4.NF.3.b. Understand a fraction a/b with a > 1 as a sum of fractions 1/b: Decompose a fraction into a sum of fractions with the same denominator in more than one way, recording each decomposition by an equation. Justify decompositions, e.g., by using a visual fraction model. Examples: 3/8 = 1/8 + 1/8 + 1/8 ; 3/8 = 1/8 + 2/8 ; 2 1/8 = 1 + 1 + 1/8 = 8/8 + 8/8 + 1/8. 
2.2.3  Employ a critical stance in drawing conclusions by demonstrating that the pattern of evidence leads to a decision or conclusion. 
4.NF.3.c. Understand a fraction a/b with a > 1 as a sum of fractions 1/b: Add and subtract mixed numbers with like denominators, e.g., by replacing each mixed number with an equivalent fraction, and/or by using properties of operations and the relationship between addition and subtraction. 
2.1.3  Use strategies to draw conclusions from information and apply knowledge to curricular areas, realworld situations, and further investigations. 
4.NF.3.d. Understand a fraction a/b with a > 1 as a sum of fractions 1/b: Solve word problems involving addition and subtraction of fractions referring to the same whole and having like denominators, e.g., by using visual fraction models and equations to represent the problem. 
1.1.6  Read, view, and listen for information presented in any format (e.g., textual, visual, media, digital) in order to make inferences and gather meaning. 
4.NF.4.a. Apply and extend previous understandings of multiplication to multiply a fraction by a whole number: Understand a fraction a/b as a multiple of 1/b. For example, use a visual fraction model to represent 5/4 as the product 5 × (1/4), recording the conclusion by the equation 5/4 = 5 × (1/4). 
2.1.3  Use strategies to draw conclusions from information and apply knowledge to curricular areas, realworld situations, and further investigations. 
4.NF.4.b. Apply and extend previous understandings of multiplication to multiply a fraction by a whole number: Understand a multiple of a/b as a multiple of 1/b, and use this understanding to multiply a fraction by a whole number. For example, use a visual fraction model to express 3 × (2/5) as 6 × (1/5), recognizing this product as 6/5. (In general, n × (a/b) = (n × a)/b.) 
2.1.3  Use strategies to draw conclusions from information and apply knowledge to curricular areas, realworld situations, and further investigations. 
4.NF.4.c. Apply and extend previous understandings of multiplication to multiply a fraction by a whole number: Solve word problems involving multiplication of a fraction by a whole number, e.g., by using visual fraction models and equations to represent the problem. For example, if each person at a party will eat 3/8 of a pound of roast beef, and there will be 5 people at the party, how many pounds of roast beef will be needed? Between what two whole numbers does your answer lie? 
1.1.6  Read, view, and listen for information presented in any format (e.g., textual, visual, media, digital) in order to make inferences and gather meaning. 
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.^{2} For example, express 3/10 as 30/100, and add 3/10 + 4/100 = 34/100. 
2.1.3  Use strategies to draw conclusions from information and apply knowledge to curricular areas, realworld situations, and further investigations. 
4.NF.6. Use decimal notation for fractions with denominators 10 or 100. For example, rewrite 0.62 as 62/100; describe a length as 0.62 meters; locate 0.62 on a number line diagram. 
2.1.6  Use the writing process, media and visual literacy, and technology skills to create products that express new understandings. 
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. 
2.1.3  Use strategies to draw conclusions from information and apply knowledge to curricular areas, realworld situations, and further investigations. 
^{1} Grade 4 expectations in this domain are limited to fractions with denominators 2, 3, 4, 5, 6, 8, 10, 12, 100.
^{2} Students who can generate equivalent fractions can develop strategies for adding fractions with unlike denominators in general. But addition and subtraction with unlike denominators in general is not a requirement at this grade.
Measurement & Data
Common Core Standard © 
AASL Learning Standard(s) 
4.MD.1. Know relative sizes of measurement units within one system of units including km, m, cm; kg, g; lb, oz.; l, ml; hr, min, sec. Within a single system of measurement, express measurements in a larger unit in terms of a smaller unit. Record measurement equivalents in a twocolumn table. For example, know that 1 ft is 12 times as long as 1 in. Express the length of a 4 ft snake as 48 in. Generate a conversion table for feet and inches listing the number pairs (1, 12), (2, 24), (3, 36), ... 
4.1.6  Organize personal knowledge in a way that can be called upon easily. 
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. 
1.1.6  Read, view, and listen for information presented in any format (e.g., textual, visual, media, digital) in order to make inferences and gather meaning. 2.1.3  Use strategies to draw conclusions from information and apply knowledge to curricular areas, realworld situations, and further investigations. 
4.MD.3. Apply the area and perimeter formulas for rectangles in real world and mathematical problems. For example, find the width of a rectangular room given the area of the flooring and the length, by viewing the area formula as a multiplication equation with an unknown factor. 
1.1.1  Follow an inquirybased process in seeking knowledge in curricular subjects, and make the realworld connection for using this process in own life. 
4.MD.4. Make a line plot to display a data set of measurements in fractions of a unit (1/2, 1/4, 1/8). Solve problems involving addition and subtraction of fractions by using information presented in line plots. For example, from a line plot find and interpret the difference in length between the longest and shortest specimens in an insect collection. 
2.1.4  Use technology and other information tools to analyze and organize information. 
4.MD.5.a. Recognize angles as geometric shapes that are formed wherever two rays share a common endpoint, and understand concepts of angle measurement: An angle is measured with reference to a circle with its center at the common endpoint of the rays, by considering the fraction of the circular arc between the points where the two rays intersect the circle. An angle that turns through 1/360 of a circle is called a “onedegree angle,” and can be used to measure angles. 
2.1.1  Continue an inquirybased research process by applying criticalthinking skills (analysis, synthesis, evaluation, organization) to information and knowledge in order to construct new understandings, draw conclusions, and create new knowledge. 
4.MD.5.b.Recognize angles as geometric shapes that are formed wherever two rays share a common endpoint, and understand concepts of angle measurement: An angle that turns through n onedegree angles is said to have an angle measure of n degrees. 
2.1.1  Continue an inquirybased research process by applying criticalthinking skills (analysis, synthesis, evaluation, organization) to information and knowledge in order to construct new understandings, draw conclusions, and create new knowledge. 
4.MD.6. Measure angles in wholenumber degrees using a protractor. Sketch angles of specified measure. 
2.1.4  Use technology and other information tools to analyze and organize information. 
4.MD.7. Recognize angle measure as additive. When an angle is decomposed into nonoverlapping 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. 
1.1.1  Follow an inquirybased process in seeking knowledge in curricular subjects, and make the realworld connection for using this process in own life. 
Geometry
Common Core Standard © 
AASL Learning Standard(s) 
4.G.1. Draw points, lines, line segments, rays, angles (right, acute, obtuse), and perpendicular and parallel lines. Identify these in twodimensional figures. 
2.1.6  Use the writing process, media and visual literacy, and technology skills to create products that express new understandings. 
4.G.2. Classify twodimensional 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. 
2.1.6  Use the writing process, media and visual literacy, and technology skills to create products that express new understandings. 
4.G.3. Recognize a line of symmetry for a twodimensional figure as a line across the figure such that the figure can be folded along the line into matching parts. Identify linesymmetric figures and draw lines of symmetry. 
2.1.1  Continue an inquirybased research process by applying criticalthinking skills (analysis, synthesis, evaluation, organization) to information and knowledge in order to construct new understandings, draw conclusions, and create new knowledge. 
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