4.NR: Numerical Reasoning – place value, rounding, comparisons with multi-digit numbers, addition and subtraction, multiplicative comparisons, multiplication, and division involving whole numbers

4.NR.1: Recognize patterns within the base ten place value system with quantities presented in real-life situations to compare and round multi-digit whole numbers through the hundred-thousands place.

4.NR.1.1: Read and write multi-digit whole numbers to the hundred-thousands place using base-ten numerals and expanded form.

Modeling Whole Numbers and Decimals (Base-10 Blocks)
Whole Numbers with Base-10 Blocks

4.NR.1.2: Recognize and show that a digit in one place has a value ten times greater than what it represents in the place to its right and extend this understanding to determine the value of a digit when it is shifted to the left or right, based on the relationship between multiplication and division.

Modeling Whole Numbers and Decimals (Base-10 Blocks)
Whole Numbers with Base-10 Blocks

4.NR.1.4: Use place value understanding to round multi-digit whole numbers.

Rounding Whole Numbers (Number Line)

4.NR.2: Using part-whole strategies, solve problems involving addition and subtraction through the hundred-thousands place, as well as multiplication and division of multi-digit whole numbers presented in real-life, mathematical situations.

4.NR.2.1: Fluently add and subtract multi-digit numbers to solve practical, mathematical problems using place value understanding, properties of operations, and relationships between operations.

Adding Whole Numbers and Decimals (Base-10 Blocks)
Cargo Captain (Multi-digit Subtraction)
Number Line Frog Hop (Addition and Subtraction)
Subtracting Whole Numbers and Decimals (Base-10 Blocks)
Target Sum Card Game (Multi-digit Addition)
Whole Numbers with Base-10 Blocks

4.NR.2.3: Solve relevant problems involving multiplication of a number with up to four digits by a 1-digit whole number or involving multiplication of 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.

Chocomatic (Multiplication, Arrays, and Area)
Critter Count (Modeling Multiplication)

4.NR.2.4: Solve authentic division problems involving up to 4-digit dividends and 1-digit divisors (including whole number quotients with remainders) using strategies based on place-value understanding, properties of operations, and the relationships between operations.

No Alien Left Behind (Division with Remainders)

4.NR.2.5: Solve multi-step problems using addition, subtraction, multiplication, and division involving whole numbers. Use mental computation and estimation strategies to justify the reasonableness of solutions.

Cargo Captain (Multi-digit Subtraction)
Critter Count (Modeling Multiplication)
No Alien Left Behind (Division with Remainders)
Number Line Frog Hop (Addition and Subtraction)

4.PAR: Patterning & Algebraic Reasoning – patterns, input-output tables, factors, multiples, composite numbers, prime numbers

4.PAR.3: Generate and analyze patterns, including those involving shapes, input/output diagrams, factors, multiples, prime numbers, and composite numbers.

4.PAR.3.1: Generate both number and shape patterns that follow a provided rule.

Finding Patterns
Function Machines 1 (Functions and Tables)
Pattern Flip (Patterns)

4.PAR.3.2: Use input-output rules, tables, and charts to represent and describe patterns, find relationships, and solve problems.

Finding Patterns
Function Machines 1 (Functions and Tables)
Pattern Flip (Patterns)

4.PAR.3.3: Find factor pairs in the range 1–100 and find multiples of single-digit numbers up to 100.

Factor Trees (Factoring Numbers)
Pattern Flip (Patterns)

4.PAR.3.4: Identify composite numbers and prime numbers and explain the relationship with the factor pairs.

Factor Trees (Factoring Numbers)

4.NR: Numerical Reasoning – fraction equivalence, comparison of fractions, and addition and subtraction of fractions with like denominators

4.NR.4: Solve real-life problems involving addition, subtraction, equivalence, and comparison of fractions with denominators of 2, 3, 4, 5, 6, 8, 10, 12, and 100 using part-whole strategies and visual models.

4.NR.4.1: Using concrete materials, drawings, and number lines, demonstrate and explain the relationship between equivalent fractions, including fractions greater than one, and explain the identity property of multiplication as it relates to equivalent fractions. Generate equivalent fractions using these relationships.

Equivalent Fractions (Fraction Tiles)
Fraction Artist 1 (Area Models of Fractions)
Fraction Artist 2 (Area Models of Fractions)
Fraction Garden (Comparing Fractions)
Fractions Greater than One (Fraction Tiles)
Modeling Fractions (Area Models)
Toy Factory (Set Models of Fractions)

4.NR.4.2: Compare two fractions with the same numerator or the same denominator by reasoning about their size and recognize that comparisons are valid only when the two fractions refer to the same whole.

Fraction Artist 1 (Area Models of Fractions)
Fraction Artist 2 (Area Models of Fractions)
Fraction Garden (Comparing Fractions)
Modeling Fractions (Area Models)

4.NR.4.3: Compare two fractions with different numerators and/or different denominators by flexibly using a variety of tools and strategies and recognize that comparisons are valid only when the two fractions refer to the same whole.

Equivalent Fractions (Fraction Tiles)
Fraction Garden (Comparing Fractions)
Modeling Fractions (Area Models)

4.NR.4.4: Represent whole numbers and fractions as the sum of unit fractions.

Adding Fractions (Fraction Tiles)

4.NR.4.5: Represent a fraction as a sum of fractions with the same denominator in more than one way, recording with an equation.

Adding Fractions (Fraction Tiles)

4.NR.4.6: Add and subtract fractions and mixed numbers with like denominators using a variety of tools.

Adding Fractions (Fraction Tiles)
Fractions Greater than One (Fraction Tiles)

4.NR.5: Solve real-life problems involving addition, equivalence, comparison of fractions with denominators of 10 and 100, and comparison of decimal numbers as tenths and hundredths using part-whole strategies and visual models.

4.NR.5.1: Demonstrate and explain the concept of equivalent fractions with denominators of 10 and 100, using concrete materials and visual models. Add two fractions with denominators of 10 and 100.

Fraction, Decimal, Percent (Area and Grid Models)

4.NR.5.2: Represent, read, and write fractions with denominators of 10 or 100 using decimal notation, and decimal numbers to the hundredths place as fractions, using concrete materials and drawings.

Fraction, Decimal, Percent (Area and Grid Models)

4.NR.5.3: Compare two decimal numbers to the hundredths place by reasoning about their size. Record the results of comparisons with the symbols >, =, or <, and justify the conclusions.

Fraction, Decimal, Percent (Area and Grid Models)
Modeling Decimals (Area and Grid Models)
Treasure Hunter (Decimals on the Number Line)

4.MDR: Measurement & Data Reasoning – time, metric measurements, distance, elapsed time, liquid volume, mass, and length

4.MDR.6: Measure time and objects that exist in the world to solve real-life, mathematical problems and analyze graphical displays of data to answer relevant questions.

4.MDR.6.1: Use the four operations to solve problems involving elapsed time to the nearest minute, intervals of time, metric measurements of liquid volumes, lengths, distances, and masses of objects, including problems involving fractions with like denominators, and also problems that require expressing measurements given in a larger unit in terms of a smaller unit, and expressing a smaller unit in terms of a larger unit based on the idea of equivalence.

Cannonball Clowns (Number Line Estimation)
Elapsed Time
Measuring Motion
Measuring Volume
Weight and Mass

4.MDR.6.2: Ask questions and answer them based on gathered information, observations, and appropriate graphical displays to solve problems relevant to everyday life.

Reaction Time 1 (Graphs and Statistics)
Reaction Time 2 (Graphs and Statistics)

4.MDR.6.3: Create dot plots to display a distribution of numerical (quantitative) measurement data.

Reaction Time 1 (Graphs and Statistics)
Reaction Time 2 (Graphs and Statistics)

4.GSR: Geometric & Spatial Reasoning – polygons, points, lines, line segments, rays, angles, perpendicular lines, area, perimeter

4.GSR.7: Investigate the concepts of angles and angle measurement to estimate and measure angles.

4.GSR.7.1: Recognize angles as geometric shapes formed when two rays share a common endpoint. Draw right, acute, and obtuse angles based on the relationship of the angle measure to 90 degrees.

Investigating Angle Theorems

4.GSR.8: Identify and draw geometric objects, classify polygons based on properties, and solve problems involving area and perimeter of rectangular figures.

4.GSR.8.1: Explore, investigate, and draw points, lines, line segments, rays, angles (right, acute, obtuse), perpendicular lines, parallel lines, and lines of symmetry. Identify these in two-dimensional figures.

Classifying Quadrilaterals
Classifying Triangles

4.GSR.8.2: Classify, compare, and contrast polygons based on lines of symmetry, the presence or absence of parallel or perpendicular line segments, or the presence or absence of angles of a specified size and based on side lengths.

Classifying Quadrilaterals
Classifying Triangles

4.GSR.8.3: Solve problems involving area and perimeter of composite rectangles involving whole numbers with known side lengths.

Chocomatic (Multiplication, Arrays, and Area)
Fido's Flower Bed (Perimeter and Area)