Assessment in this unit
		
		
		
			
				
					
					Key Ideas, Expectations, and Opportunities
					
					
				 
				
			 
			
			
				
					
					Using Assessment to Meet Individual Needs
					
					The explicit Expectations and assessment tasks in this unit
						describe what it means to “get it.” Providing feedback on these
						Expectations helps identify students who need to access the
						content another way, need further practice opportunities, or are
						ready to extend or deepen their understanding of a concept.
						Instructional opportunities that help support the varied needs of
						students also need to be identified. These opportunities provide
						models that can be replicated or used multiple times and can be
						used in a variety of settings (e.g., home, transitions, support
						classroom, as a center).
					
				 
				
			 
			
			
			
			
				
					
					
						The Assessment Program serves the 
following purposes:
					
					
						- It provides information to teachers about what students
							know and can do. This information is used to guide instruction.
							An activity may help teachers answer questions about whole-class
							instruction: What do I do next? In the next minute? Next lesson?
							Next class? Next unit? Other assessments may help teachers decide
							how to support individual students, including those who struggle
							with a concept and those who are ready to be challenged.
 
						- It communicates the goals of instruction to parents and
							students. What teachers choose to assess communicates to the
							class what they value. For example, if teachers want students to
							work hard at communicating problem-solving strategies, then it is
							important to assess mathematical communication.
 
						- It provides feedback to students and parents about
							student progress. This includes teacher evaluation of student
							progress as well as students’ assessment of their own progress.
 
					
				 
				
			 
			
		 
		
	 
	
	
	
		
		Key Mathematical Ideas
		
			The mathematical content in Math Trailblazers is organized
			around a set of Key Ideas. These Key Ideas are based on the National
			Council of Teachers of Mathematics (NCTM) Standards for the
			grade band as well as current thinking in the mathematics education
			community, e.g., Charles (2005), NCTM (2000), Van de Walle (2005).
			There is a set of Key Ideas for each content strand: Number, Algebra,
			Geometry, Measurement, and Data. They are based on “big ideas” in
			mathematics and describe what students should be able to do within
			each strand. The Key Ideas are shown in the table in Figure 1.
		
		
			
				
			
			
				
					
					
						
							
								| 1. Number Sense:
									Understand the base-ten number system, recognize relationships
									among quantities and numbers, and represent numbers in multiple
									ways. | 
								2. Operations: Understand the meaning
									of numerical operations and their application for solving
									problems. | 
								3. Computation and
										Estimation: Use efficient and flexible procedures to compute
									accurately and make reasonable estimates. | 
							 
						 
					 | 
				
				
					
					| 1. Identifying Patterns:
						Identify and describe patterns and relationships, including how a
						change in one variable relates to a change in a second variable. | 
					2. Tables and Graphs:
						Represent patterns and relationships with graphs, tables, and
						diagrams. | 
					3. Symbols:
						Represent patterns and relationships with symbols (includes using
						variables in formulas and as unknowns in equations). | 
					4. Using
							Patterns: Apply relationships, properties, and patterns to solve
						problems, develop generalizations, or make predictions. | 
				
				
					
					| 1. Shapes: Identify, describe, classify,
						and analyze 2- and 3-dimensional shapes based on
						their properties. | 
					2. Orientation and Location: Use
						coordinate systems to specify locations and describe spatial
						relationships. | 
					3. Motion: Apply transformations (slides,
						flips, and turns) and use symmetry to analyze mathematical
						situations. | 
					4. Geometric Reasoning: Use
						visualization, spatial reasoning, and geometric modeling to solve
						problems. | 
				
				
					
					| 1. Measurement Concepts:
						Understand measurable attributes of objects or situations (length,
						area, mass, volume, size, time) and the units, systems, and
						processes of measurement. | 
					2.
							Measurement Skills: Use measurement tools, appropriate
						techniques, and formulas to determine measurements. | 
				
				
					
					| 1. Data Collection: Select, collect, and
						organize data to answer questions, solve problems, and make
						predictions. | 
					2. Data Representation: Select and create
						appropriate representations, including tables and graphs, for
						organizing, displaying, and analyzing data. | 
					3. Data Description: Describe a data set
						by interpreting graphs, identifying patterns, and using
						statistical measures, e.g., average and range. | 
					4. Using Data: Apply relationships and
						patterns in data to solve problems, develop generalizations, and
						make predictions. | 
				
			
		
		
			Figure 1: Key Ideas for Math
				Trailblazers (Key Ideas
			 addressed in Unit 12 are shaded.)
		
	 
	
	
	
		
		Expectations
		To monitor students' growth across and within grades, there is a set of Expectations that describes what
			students are “expected” to do within each content strand. Expectations show the growth of the mathematical
			content within the Key Ideas for each strand.
		
			
				
					| EXPECTATIONS | 
				
			
			
			  
            
               | 
              Use this list of Expectations to assess students on the key concepts and skills in this unit. | 
            
            
              | E1 | 
              Determine whether a group of objects has an odd or even number of members (e.g., by pairing objects or counting them by 2s). | 
            
            
              | E2* | 
              Represent multiplication and division problems using tiles, drawings, number lines, rectangular arrays, and number sentences. | 
            
            
              | E3 | 
              Make connections between repeated addition and multiplication. | 
            
            
              | E4 | 
              Write stories for multiplication and division sentences. | 
            
            
              | E5 | 
              Distinguish between addition and multiplication situations. | 
            
            
              | E6 | 
              Write a number sentence to express an even number as a sum of two equal addends. | 
            
            
              | E7* | 
              Solve multiplication and division problems using strategies (e.g., skip counting, repeated addition) with tiles, drawings, number lines, rectangular arrays, and number sentences. | 
            
            
              | E8* | 
              Divide a set of objects into equal-size groups. | 
            
            
              | E9* | 
              Demonstrate fluency with the subtraction facts related to the addition facts in Group D
(6 − 3, 7 − 3, 7 − 4, 8 − 4, 9 − 4, 9 − 5, 12 − 6, 13 − 6, 13 − 7, 14 − 7, 15 − 7, 15 − 8, 16 − 8, 19 − 10, 19 − 9, 20 − 10). | 
            
            
              | E10* | 
              Determine the unknown number in an addition or subtraction sentence relating three whole
numbers for the facts in Group D. | 
            
            
            
          
		
	 
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
		
		Targeted Practice
		This unit provides opportunities for additional targeted practice for some of the
Expectations. See the chart in Figure 3 and the descriptions that follow. These opportunities connect directly
to assessment tasks, so the practice can be tailored to the current level of student progress.
		
			- For students who are struggling with the Expectation, practice is targeted toward the foundational concepts
and skills involved and often provides a different way to access the content.
 
			- For students who are making significant progress toward the Expectation, practice is designed to help
move toward proficiency and autonomy.
 
			- For students who are already meeting the Expectation, opportunities are provided to deepen or extend
understanding.
 
		
		
			
				
					| Expectation | 
					Opportunities for Targeted Practice | 
				
			
			
				
					| E2*. | 
					Represent multiplication and division problems using tiles, drawings, number lines, rectangular arrays, and number sentences. | 
					
						
					 | 
				
				
					| E3. | 
					Make connections between repeated addition and multiplication. | 
					
						
					 | 
				
				
					| E4. | 
					Write stories for multiplication and division sentences. | 
					
						
					 | 
				
				
					| E7*. | 
					Solve multiplication and division problems using strategies (e.g., skip counting, repeated addition)
					 with tiles, drawings, number lines, rectangular arrays, and number sentences. | 
					
						
					 | 
				
				
					| E8*. | 
					Divide a set of objects into equal-size groups. | 
					
						
					 | 
				
				
					| E9*. | 
					Demonstrate fluency with the subtraction facts related to the addition facts in Group D
(6 − 3,  7 − 3, 7 − 4, 8 − 4, 9 − 4, 9 − 5, 12 − 6, 13 − 6,
 13 − 7, 14 − 7, 15 − 7, 15 − 8, 16 − 8, 19 − 10, 19 − 9, 20 − 10). | 
					
						
					 | 
				
				
					| E10*. | 
					Determine the unknown number in an addition or subtraction sentence relating three whole numbers for the facts in Group D. | 
					
						
					 | 
				
				
			
		
		
		
			Figure 3: Expectations for Unit 12 with opportunities for targeted practice
		
	 
	
	
	
	
	
	
		
		Activities
		There are three activities described in this unit that can be used to provide targeted practice. These
activities can be tailored to meet the needs of students. The activity can be given as homework, placed in a
learning center, or used in other settings.