1 - DoDEA
Transcription
1 - DoDEA
DoDEA CCRSM Gap Analysis OPERATIONS AND ALGEBRAIC THINKING DOMAIN First Grade College and Career Ready Standards for Mathematics (CCRSM) 1.OA.A.1 DoDEA Standards Alignment Notes CLUSTER: Represent and solve problems involving addition and subtraction. Express the concepts of onedigit whole number addition "Within 20" and "one-digit" seem very close, but 1.M.1e and subtraction using objects, composition and decomposition missing. 2.M.2c drawings, number sentences, needed to get variables. and verbal explanations. This standard specifically names 5 different problem situations and “unknowns in all positions” refers to 3 additional types of problems. There are st 15 problem types in all, all of which 1 grade Use addition and subtraction within 20 to solve students have to solve/understand/make sense of. Explain and use the inverse word problems involving situations of adding to, These problem types, and their cognitive relationship between addition taking from, putting together, taking apart, and 1.M.1f load/difficulty are described in Table 1 in the and subtraction to solve comparing, with unknowns in all positions, e.g., problems and check solutions. Glossary, which the standard refers to in a by using objects, drawings, and equations with a footnote. DoDEA standards don’t address the symbol for the unknown number to represent differences between “add to” and “put together” the problem. problems, and they don’t mention “compare” problems at all. 1.M.1g Select, explain, and use addition and subtraction strategies to solve real-world problems. 1.M.2d Write equations using mathematical symbols. Alignment of DoDEA CCRSM with the DoDEA Academic Standards Page 25 DOMAIN DoDEA CCRSM Gap Analysis College and Career Ready Standards for Mathematics (CCRSM) 1.OA.A.1 1.OA.A.2 Use addition and subtraction within 20 to solve word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using objects, drawings, and equations with a symbol for the unknown number to represent the problem. Solve word problems that call for addition of three whole numbers whose sum is less than or equal to 20, e.g., by using objects, drawings, and equations with a symbol for the unknown number to represent the problem. DoDEA Standards 1.M.2e Model and describe problem situations using representations, such as words, objects, number phrases, or sentences. 2.M.2c Use symbols to represent unknown quantities and identify values for symbols. 2.M.1g Solve multi-step problems involving addition and subtraction. 2.M.2c Use symbols to represent unknown quantities and identify values for symbols. Alignment Notes Grade 2 DoDEA standard deals with much greater numbers. CLUSTER: Understand and apply properties of operations and the relationship between addition and subtraction. 1.OA.B.3 Apply properties of operations as strategies to add and subtract. Examples: If 8 + 3 = 11 is known, then 3 + 8 = 11 is also known. (Commutative property of addition.) To add 2 + 6 + 4, the second two numbers can be added to make a ten, so 2 + 6 + 4 = 2 + 10 = 12. (Associative property of addition.) 1.M.1g Select, explain, and use addition and subtraction strategies to solve real-world problems. 1.M.2c Solve open sentences using the commutative property of addition. Alignment of DoDEA CCRSM with the DoDEA Academic Standards DoDEA standard does not specify properties of operations. The properties of operations are addressed in CCRSM. Page 26 DOMAIN DoDEA CCRSM Gap Analysis College and Career Ready Standards for Mathematics (CCRSM) 1.OA.B.3 1.OA.B.4 DoDEA Standards Apply properties of operations as strategies to add and subtract. Examples: If 8 + 3 = 11 is known, then 3 + 8 = 11 is also known. (Commutative property of addition.) To add 2 + 6 + 4, the second two numbers can be added to make a ten, so 2 + 6 + 4 = 2 + 10 = 12. (Associative property of addition.) Understand subtraction as an unknown-addend problem. For example, subtract 10 - 8 by finding the number that makes 10 when added to 8. 2.M.2e Solve open sentences by representing an expression in more than one way using the associative property of addition. 1.M.1e Express the concepts of onedigit whole number addition and subtraction using objects, drawings, number sentences, and verbal explanations. 1.M.1f Explain and use the inverse relationship between addition and subtraction to solve problems and check solutions. Alignment Notes Missing addend strategy not specified. CLUSTER: Add and subtract within 20. 1.OA.C.5 Relate counting to addition and subtraction (e.g., by counting on 2 to add 2). 1.OA.C.6 Add and subtract within 20, demonstrating fluency for addition and subtraction within 10. Use strategies such as counting on; making ten (e.g., 8 + 6 = 8 + 2 + 4 = 10 + 4 = 14); decomposing a number leading to a ten (e.g., 13 - 4 = 13 - 3 - 1 = 10 - 1 = 9); using the relationship between addition and subtraction (e.g., knowing 1.M.1g 1.M.1e Alignment of DoDEA CCRSM with the DoDEA Academic Standards Select, explain, and use addition and subtraction strategies to solve real-world problems. Counting on is not specifically mentioned as a strategy in DoDEA standards. Counting on is conceptually challenging for 1st graders as they are still working on developing conservation of number. It is not a “procedure” but the conceptual underpinning for their understanding of the number system. Express the concepts of onedigit whole number addition and subtraction using objects, drawings, number sentences, and verbal explanations. Definition of fluency--skill in carrying out procedures flexibly, accurately, efficiently, and appropriately--suggests more than following a set procedure. DoDEA standards do not reference the full range of strategies. Page 27 DOMAIN DoDEA CCRSM Gap Analysis College and Career Ready Standards for Mathematics (CCRSM) that 8 + 4 = 12, one knows 12 - 8 = 4); and creating equivalent but easier or known sums (e.g., adding 6 + 7 by creating the known equivalent 6 + 6 + 1 = 12 + 1 = 13). 1.OA.D.7 1.OA.D.8 DoDEA Standards 1.M.1f Explain and use the inverse relationship between addition and subtraction to solve problems and check solutions. 1.M.1g Elect, explain, and use addition and subtraction strategies to solve real-world problems. 2.M.1c Show equivalent representations for whole numbers by using addition and subtraction facts. Alignment Notes CLUSTER: Work with addition and subtraction equations. Understand the meaning of the equal sign, and DoDEA standards include the use of equal signs determine if equations involving addition and and equivalence but do not refer to true/false. not aligned subtraction are true or false. For example, which Understanding the equals sign is one of the major of the following equations are true and which shifts students must make in this grade level are false? 6 = 6, 7 = 8 - 1, 5 + 2 = 2 + 5, 4 + 1 = 5 + equivalence as balance not as action. 2. Determine the unknown whole number in an addition or subtraction equation relating three whole numbers. For example, determine the unknown number that makes the equation true in each of the equations 8 + ? = 11, 5 = _ - 3, 6 + 6 = _. 1.M.2c Solve open sentences using the commutative property of addition. 2.M.2c Use symbols to represent unknown quantities and identify values for symbols. Alignment of DoDEA CCRSM with the DoDEA Academic Standards DoDEA Grade 2 standards use larger numbers. DODEA standards don’t specify “relating 3 whole numbers”. Page 28 DOMAIN DoDEA CCRSM Gap Analysis College and Career Ready Standards for Mathematics (CCRSM) DoDEA Standards Alignment Notes CLUSTER: Extend the counting sequence. 1.NBT.A.1 Count to 120, starting at any number less than 120. In this range, read and write numerals and represent a number of objects with a written numeral. 1.M.1a Count and group objects into ones and tens up to 100. CCRSM goes to 120, DoDEA goes to 100. Grade 2 includes numbers to 1,000 but does not specify counting. Reading and writing numerals are not included in DoDEA standards. NUMBERS AND OPERATIONS IN BASE TEN CLUSTER: Understand place value. 1.NBT.B.2 Understand that the two digits of a two-digit number represent amounts of tens and ones. Understand the following as special cases: 1.M.1a Count and group objects into ones and tens up to 100. CCRSM list gets very specific, but all the parts seem to be included in DoDEA standard. This group of 4 CCRSM is at a higher conceptual/cognitive level than the 2 matched to it from DODEA (which are more focused on strategies) 1.NBT.B.2.A 10 can be thought of as a bundle of ten ones — called a "ten." 1.M.1a Count and group objects into ones and tens up to 100. 1.NBT.B.2.B The numbers from 11 to 19 are composed of a ten and one, two, three, four, five, six, seven, eight, or nine ones. 1.M.1a Count and group objects into ones and tens up to 100. 1.NBT.B.2.C The numbers 10, 20, 30, 40, 50, 60, 70, 80, 90 refer to one, two, three, four, five, six, seven, eight, or nine tens (and 0 ones). 1.M.1a Count and group objects into ones and tens up to 100. 3.M.1e Compare whole numbers, up to 10,000, using mathematical symbols (>, <, =) and words (greater than, less than, equal to) and arrange them in numerical order. 1.NBT.B.3 Compare two two-digit numbers based on meanings of the tens and ones digits, recording the results of comparisons with the symbols >, =, and <. Alignment of DoDEA CCRSM with the DoDEA Academic Standards DoDEA introduces inequality symbols much later in its standards. Page 29 DOMAIN DoDEA CCRSM Gap Analysis College and Career Ready Standards for Mathematics (CCRSM) 1.NBT.C.4 1.NBT.C.5 DoDEA Standards Alignment Notes CLUSTER: Use place value understanding and properties of operations to add and subtract. Explain and demonstrate addition and subtraction for The phrase "explain and demonstrate" is Add within 100, including adding a two-digit considered equivalent to "relate the strategy to the two-digit numbers without number and a one-digit number, and adding a written method and explain the reasoning." The 2.M.1d regrouping, e.g., doubling, two-digit number and a multiple of 10, using variety of representations in CCRSM is not present making jumps of ten, partial concrete models or drawings and strategies sums or differences, counting in DoDEA standards. based on place value, properties of operations, up or back. and/or the relationship between addition and subtraction; relate the strategy to a written Explain and demonstrate method and explain the reasoning used. addition and subtraction for DODEA standards do not address “using the Understand that in adding two-digit numbers, two-digit numbers with relationship between addition and subtraction”, one adds tens and tens, ones and ones; and 2.M.1e regrouping, e.g., doubling, properties of operations, relating strategies to sometimes it is necessary to compose a ten. making jumps of ten, partial written methods. sums or differences, counting up or back. Explain and demonstrate addition and subtraction for two-digit numbers without CCRSM is very specific and is contained in the 2.M.1d regrouping, e.g., doubling, broader DoDEA standards. making jumps of ten, partial sums or differences, counting Given a two-digit number, mentally find 10 more up or back. or 10 less than the number, without having to count; explain the reasoning used. Explain and demonstrate NBT.C.5-6:DODEA standards do not address “using addition and subtraction for the relationship between addition and two-digit numbers with subtraction”, properties of operations, relating 2.M.1e regrouping, e.g., doubling, strategies to written methods. This cluster aims for making jumps of ten, partial students to generalize the characteristics/structure sums or differences, counting of the number system. up or back. Alignment of DoDEA CCRSM with the DoDEA Academic Standards Page 30 DOMAIN DoDEA CCRSM Gap Analysis College and Career Ready Standards for Mathematics (CCRSM) 1.NBT.C.6 Subtract multiples of 10 in the range 10-90 from multiples of 10 in the range 10-90 (positive or zero differences), using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used. DoDEA Standards 2.M.1d Explain and demonstrate addition and subtraction for two-digit numbers without regrouping, e.g., doubling, making jumps of ten, partial sums or differences, counting up or back. 2.M.1e Explain and demonstrate addition and subtraction for two-digit numbers with regrouping, e.g., doubling, making jumps of ten, partial sums or differences, counting up or back. Alignment Notes CCRSM is very specific and is contained in the broader DoDEA standards. MEASUREMENT AND DATA CLUSTER: Measure lengths indirectly and by iterating length units. 1.MD.A.1 K.M.4a Compare and order objects according to length, capacity, weight, and temperature by using descriptors, e.g., longer, taller, and heavier. 1.M.4b Measure and differentiate objects using both comparative terms and standard units of measure, e.g., inches, centimeters. Order three objects by length; compare the lengths of two objects indirectly by using a third object. Alignment of DoDEA CCRSM with the DoDEA Academic Standards Although DoDEA Grade 1 standards go farther in terms of using measurement units and quantification, neither standard looks at the indirect measure with reference to a third object. Page 31 DOMAIN DoDEA CCRSM Gap Analysis College and Career Ready Standards for Mathematics (CCRSM) 1.MD.A.2 DoDEA Standards Express the length of an object as a whole number of length units, by laying multiple copies of a shorter object (the length unit) end to end; understand that the length measurement of an object is the number of same-size length units that span it with no gaps or overlaps. Limit to contexts where the object being measured is spanned by a whole number of length units with no gaps or overlaps. K.M.4d Use non-standard measurement tools to estimate and verify results. 1.M.4c Estimate and measure a variety of attributes of objects using standard and nonstandard units. Alignment Notes DoDEA standards include more attributes and also include estimation as part of the standard statements. See also 2.M.4e: use repetition of a single unit to measure something larger than the unit. For first graders, this is more than just “following a procedure”. CCRSM is worded to move students toward generalizing this concept of length (no gaps, no overlaps) for its later critical application to the number line, rational number understanding, etc. CLUSTER: Tell and write time. 1.MD.B.3 Tell and write time in hours and half-hours using analog and digital clocks. 1.M.4e Tell time to the hour and half hour using digital and analog timepieces. Writing time is not specified in DoDEA standards. CLUSTER: Represent and interpret data. 1.MD.C.4 Organize, represent, and interpret data with up to three categories; ask and answer questions about the total number of data points, how many in each category, and how many more or less are in one category than in another. 1.M.5b Collect, organize, represent, and interpret data using concrete objects, pictures, tallies, and graphs. 1.M.5d Construct questions and make predictions that can be answered by using information from a graph or table. Alignment of DoDEA CCRSM with the DoDEA Academic Standards DoDEA standards are broader, including data collection and prediction. Data standards have been reduced (in number and in level of conceptual understanding) in order to allow for more time in the instructional year to focus on number, numeracy, the number system and the meaning of addition/subtraction. Data and measurement standards “prop” up the Number Base Ten and Operations/Algebraic Thinking domains. Page 32 DOMAIN DoDEA CCRSM Gap Analysis College and Career Ready Standards for Mathematics (CCRSM) GEOMETRY 1.G.A.1 1.G.A.2 1.G.A.3 DoDEA Standards CLUSTER: Reason with shapes and their attributes. Identify and compare twodimensional shapes and Distinguish between defining attributes (e.g., three-dimensional objects triangles are closed and three-sided) versus nonusing attributes and defining attributes (e.g., color, orientation, 3.M.3a properties, e.g., sides and overall size); build and draw shapes to possess angles in two-dimensional defining attributes. shapes, faces and edges in three-dimensional objects. Compose two-dimensional shapes (rectangles, squares, trapezoids, triangles, half-circles, and Create new shapes by quarter-circles) or three-dimensional shapes 1.M.3b combining, cutting, or taking (cubes, right rectangular prisms, right circular apart existing shapes. cones, and right circular cylinders) to create a composite shape, and compose new shapes from the composite shape. Partition circles and rectangles into two and four equal shares, describe the shares using the words halves, fourths, and quarters, and use the phrases half of, fourth of, and quarter of. Describe the whole as two of, or four of the shares. Understand for these examples that decomposing into more equal shares creates smaller shares. 1.M.1i Recognize wholes and parts of wholes, i.e., 1/2, 1/3, and, 1/4. 2.M.1j Use words, numerals, and physical models to represent fractions and their relationship to the whole. Alignment of DoDEA CCRSM with the DoDEA Academic Standards Alignment Notes DoDEA standard is just a small part of CCRSM standard and is two grade levels higher. Shape in DoDEA standard was assumed to include two and three dimensions. The relationship between denominator and size of pieces in CCRSM is not included in DoDEA standards. Page 33 DoDEA CCRSM Gap Analysis First Grade Alignment Sorted by DoDEA Standards X = grade level with similar alignment to current DoDEA standards Gray shading = no alignment with CCRSM at specified grade levels DoDEA Standards First Grade 1.M.1a: count and group objects into ones and tens up to 100 CCRSM K 1 X X 2 3 1.M.1b: position and identify the order of objects using ordinal numbers up to 10 1.M.1c: identify the number of tens and ones in numbers less than 100 1.M.1d: identify and generate equivalent forms of the same number using concrete objects and number statements 1.M.1e: express the concepts of one-digit whole number addition and subtraction using objects, drawings, number sentences, and verbal explanations 1.M.1f: explain and use the inverse relationship between addition and subtraction to solve problems and check solutions 1.M.1g: select, explain, and use addition and subtraction strategies to solve real-world problems X X X X X 1.M.1h: describe using their own words an estimate of the number of objects in groups up to 100 and verify the results 1.M.1i: recognize wholes and parts of wholes X 1.M.2a: sort, classify, and order objects by two or more attributes and explain how objects were sorted X 1.M.2b: identify, describe, extend, and create repeating patterns and number sequences 1.M.2c: solve open sentences using the commutative property of addition Alignment of DoDEA CCRSM with the DoDEA Academic Standards X X X Page 34 DoDEA CCRSM Gap Analysis DoDEA Standards First Grade CCRSM K 1 1.M.2d: write equations using mathematical symbols X 1.M.2e: model and describe problem situations using representations, such as words, objects, number phrases, or sentences X 1.M.2f: model equivalency between sets using concrete materials X 1.M.3a: identify triangles, rectangles, squares, and circles as the faces of three-dimensional objects 1.M.3b: create new shapes by combining, cutting, or taking apart existing shapes 2 3 X X X 1.M.3c: give and follow directions to find a place or object 1.M.3d: identify and determine whether two-dimensional shapes are congruent, i.e., same shape and size; or similar, i.e., same shape and proportional size X 1.M.3e: identify symmetry in objects and figures 1.M.3f: identify geometric shapes and structures in the environment X 1.M.4a: identify common instruments used for measurement, i.e., rulers, scales, measuring cups X 1.M.4b: measure and differentiate objects using both comparative terms and standard units of measure, e.g., inches, centimeters X X 1.M.4c: estimate and measure a variety of attributes of objects using standard and nonstandard units X X X 1.M.4d: identify repeating patterns of time, e.g., days of the week, months of the year Alignment of DoDEA CCRSM with the DoDEA Academic Standards Page 35 DoDEA CCRSM Gap Analysis DoDEA Standards First Grade 1.M.4e: tell time to the hour and half hour using digital and analog timepieces CCRSM K 1 2 3 X 1.M.4f: order a sequence of events that occur over time 1.M.4g: make estimates about the passage of time in events, e.g., tasks being completed, living things growing, etc. 1.M.5a: use interviews and observations to gather data about themselves and their surroundings 1.M.5b: collect, organize, represent, and interpret data using concrete objects, pictures, tallies, and graphs X 1.M.5c: compare and contrast similar data sets 1.M.5d: construct questions and make predictions that can be answered by using information from a graph or table Alignment of DoDEA CCRSM with the DoDEA Academic Standards X Page 36