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Algebraic Reasoning: Prime/Composite [TEKS Tools Grade 5]
This post specifically looks at how algebraic reasoning can be used to identify prime and composite numbers. Read more about TEKS Tools and their rationale here . Algebraic Reasoning Algebraic reasoning, the fifth TEKS Tool , accounts for around 9% of each 5th grade STAAR test. This thinking does not use a visible tool but instead relies on applying algebraic concepts to expressions, equations, and inequalities. The main function of algebraic reasoning is to identify patter
Aaron Daffern
Jan 241 min read
Algebraic Reasoning: Order of Operations [TEKS Tools Grade 5]
This post specifically looks at how algebraic reasoning can be used to simplify expressions using the order of operations. Read more about TEKS Tools and their rationale here . Algebraic Reasoning Algebraic reasoning, the fifth TEKS Tool , accounts for around 9% of each 5th grade STAAR test. This thinking does not use a visible tool but instead relies on applying algebraic concepts to expressions, equations, and inequalities. The main function of algebraic reasoning is to i
Aaron Daffern
Jan 242 min read
Formulas: Volume [TEKS Tools Grade 5]
This post specifically looks at how formulas can be used solve problems involving volume. Read more about TEKS Tools and their rationale here . Formulas Formulas, the fourth TEKS Tool , account for around 7% of each 5th grade STAAR test. These formulas are applied to solve problems related to area, perimeter, and volume. The main function of a formula is to understand the relationship between quantities. In fourth grade, students were first introduced to the formulas for ar
Aaron Daffern
Jan 241 min read
Formulas: Area/Perimeter [TEKS Tools Grade 5]
This post specifically looks at how formulas can be used solve problems involving area and perimeter. Read more about TEKS Tools and their rationale here . Formulas Formulas, the fourth TEKS Tool , account for around 7% of each 5th grade STAAR test. These formulas are applied to solve problems related to area, perimeter, and volume. The main function of a formula is to understand the relationship between quantities. In fourth grade, students were first introduced to the for
Aaron Daffern
Jan 241 min read
Place Value Charts: Comparing/Ordering [TEKS Tools Grade 5]
This post specifically looks at how place value charts can be used to compare/order numbers. Read more about TEKS Tools and their rationale here . PlAce Value Charts Place value charts, the third TEKS Tool , account for around 9% of each 5th grade STAAR test. These charts help students understand our base-10 number system, including the use of decimals. The main function of a place value chart is to show the relationship between place value locations in our number system. B
Aaron Daffern
Jan 241 min read
Place Value Charts: Place Value Relationships [TEKS Tools Grade 5]
This post specifically looks at how place value charts can be used to compose/decompose numbers. Read more about TEKS Tools and their rationale here . PlAce Value Charts Place value charts, the third TEKS Tool , account for around 9% of each 5th grade STAAR test. These charts help students understand our base-10 number system, including the use of decimals. The main function of a place value chart is to show the relationship between place value locations in our number syste
Aaron Daffern
Jan 241 min read
Number Lines: Solving Problems [TEKS Tools Grade 5]
This post specifically looks at how number lines can be used to solve a variety of problems involving rounding, estimation, and the four operations . Read more about TEKS Tools and their rationale here . Number Lines Number lines, the second TEKS Tool , account for around 22% of each 5th grade STAAR test. Within this tool are many uses: representing and solving fraction operations, interpreting number pair relationships, and solving problems involving rounding and the operat
Aaron Daffern
Jan 242 min read
Number Lines: Number Pairs [TEKS Tools Grade 5]
This post specifically looks at how number lines can be used to explore number pair relationships in real-world scenarios . Read more about TEKS Tools and their rationale here . Number Lines Number lines, the second TEKS Tool , account for around 22% of each 5th grade STAAR test. Within this tool are many uses: representing and solving fraction operations, interpreting number pair relationships, and solving problems involving rounding and the operations. The main function o
Aaron Daffern
Jan 242 min read
Number Lines: Fractions [TEKS Tools Grade 5]
This post specifically looks at how number lines can be used to solve fractional problems involving the four operations. Read more about TEKS Tools and their rationale here . Number Lines Number lines, the second TEKS Tool , account for around 22% of each 5th grade STAAR test. Within this tool are many uses: representing and solving fraction operations, interpreting number pair relationships, and solving problems involving rounding and the operations. The main function of a
Aaron Daffern
Jan 241 min read
Strip Diagram: Comparison [TEKS Tools Grade 5]
This post specifically looks at how comparison strip diagrams can be used to solve a variety of problems. Read more about TEKS Tools and their rationale here . Strip Diagram Strip diagrams, the first TEKS Tool , account for around 33% of each 5th grade STAAR test. Within this tool are many variations: part-whole, equal groups, and comparison. By far, the most common type of 5th grade strip diagrams is equal groups. The main function of a strip diagram is to show the relatio
Aaron Daffern
Jan 222 min read
Strip Diagram: Part-Whole [TEKS Tools Grade 5]
This post specifically looks at how part-whole strip diagrams can be used to solve a variety of problems. Read more about TEKS Tools and their rationale here . Strip Diagram Strip diagrams, the first TEKS Tool , account for around 33% of each 5th grade STAAR test. Within this tool are many variations: part-whole, equal groups, and comparison. By far, the most common type of 5th grade strip diagrams is equal groups. The main function of a strip diagram is to show the relatio
Aaron Daffern
Jan 201 min read


Lessons learned from the 2025 5th Grade Math STAAR
Using a modified version of the statewide item analysis report, I examined the readiness standards that had less than 60% mastery. Each standard has both an analysis of the items themselves to infer what made them so difficult and instructional implications for educators to ensure a more successful 2026 STAAR test. Standard # of items % mastery 5.3K 2 31 5.4B 2 39.5 5.4H 2 46 5.8C 1 52 5.3G 1 54 5.5A 2 54.5 5.9C 2 55 Access the slide deck here . 5.3K - 31% overall mastery ad
Aaron Daffern
Dec 8, 20253 min read


Lessons learned from the 2024 5th Grade Math STAAR
The 2024 5th Grade Math STAAR continued statewide online testing and several new item types. Using a modified version of the statewide...
Aaron Daffern
Dec 2, 20243 min read


Lessons learned from the 2023 5th Grade Math STAAR
The 2023 5th Grade Math STAAR introduced statewide online testing and several new item types. Using a modified version of the statewide...
Aaron Daffern
Nov 27, 20232 min read


Reporting Category 4 (TEKS 5.10 Manage Financial Resources)
Data Analysis and personal financial literacy The videos in this post explain mathematics Texas Essential Knowledge and Skill 5.10:...
Aaron Daffern
Feb 20, 20221 min read


Reporting Category 4 (TEKS 5.9 Data Analysis)
Data Analysis and personal financial literacy The videos in this post explain mathematics Texas Essential Knowledge and Skill 5.9: Data...
Aaron Daffern
Feb 20, 20221 min read


Reporting Category 3 (TEKS 5.8 Coordinate Plane)
Geometry and Measurement The videos in this post explain mathematics Texas Essential Knowledge and Skill 5.8: Geometry and measurement....
Aaron Daffern
Feb 18, 20221 min read


Reporting Category 3 (TEKS 5.7 Measurement)
Geometry and Measurement The videos in this post explain mathematics Texas Essential Knowledge and Skill 5.7: Geometry and measurement....
Aaron Daffern
Feb 18, 20221 min read


Reporting Category 3 (TEKS 5.6 Volume)
Geometry and Measurement The videos in this post explain mathematics Texas Essential Knowledge and Skill 5.6: Geometry and measurement....
Aaron Daffern
Feb 18, 20221 min read


Reporting Category 3 (TEKS 5.5 Two-Dimensional Figures)
Geometry and Measurement The videos in this post explain mathematics Texas Essential Knowledge and Skill 5.5: Geometry and measurement....
Aaron Daffern
Feb 14, 20221 min read
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