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Number Lines: Ratios and Percents [TEKS Tools Grade 7]
This post specifically looks at how number lines can be used solve problems involving ratios and percents. Read more about TEKS Tools and their rationale here . Number Lines Number lines account for around 30% of each 7th grade STAAR test. These number lines are applied to solve problems related to ratios, rates, percents, scale, and operations. The main function of a number line is to solve problems involving operations, understand ratios, rates, and proportionality, or as
Aaron Daffern
Mar 172 min read
Number Lines: Proportionality [TEKS Tools Grade 7]
This post specifically looks at how number lines can be used solve problems involving proportions and similar shapes. Read more about TEKS Tools and their rationale here . Number Lines Number lines account for around 30% of each 7th grade STAAR test. These number lines are applied to solve problems related to ratios, rates, percents, scale, and operations. The main function of a number line is to solve problems involving operations, understand ratios, rates, and proportiona
Aaron Daffern
Mar 172 min read
Number Lines: Operations [TEKS Tools Grade 7]
This post specifically looks at how number lines can be used solve problems involving the four operations. Read more about TEKS Tools and their rationale here . Number Lines Number lines account for around 30% of each 7th grade STAAR test. These number lines are applied to solve problems related to ratios, rates, percents, scale, and operations. The main function of a number line is to solve problems involving operations, understand ratios, rates, and proportionality, or as
Aaron Daffern
Mar 172 min read
Number Lines: Rates [TEKS Tools Grade 7]
This post specifically looks at how number lines can be used solve problems involving rates. Read more about TEKS Tools and their rationale here . Number Lines Number lines account for around 30% of each 7th grade STAAR test. These number lines are applied to solve problems related to ratios, rates, percents, scale, and operations. The main function of a number line is to solve problems involving operations, understand ratios, rates, and proportionality, or as a tool to exp
Aaron Daffern
Mar 172 min read
Algebraic Reasoning: Determining Solutions [TEKS Tools Grade 7]
This post specifically looks at how algebraic reasoning can be used to solve two-step equations and inequalities . Read more about TEKS Tools and their rationale here . Algebraic Reasoning Algebraic reasoning accounts for around 30% of each 7th 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 algebraic relationship
Aaron Daffern
Mar 172 min read
Algebraic Reasoning: Algebraic Translation [TEKS Tools Grade 7]
This post specifically looks at how algebraic reasoning can be used to translate problem situations to algebraic representations . Read more about TEKS Tools and their rationale here . Algebraic Reasoning Algebraic reasoning accounts for around 30% of each 7th 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 algebr
Aaron Daffern
Mar 172 min read
Algebraic Reasoning: Interpreting Data [TEKS Tools Grade 7]
This post specifically looks at how algebraic reasoning can be used to interpret data representations and make probability predictions . Read more about TEKS Tools and their rationale here . Algebraic Reasoning Algebraic reasoning accounts for around 30% of each 7th 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
Aaron Daffern
Mar 172 min read
Formulas: 3D Shapes [TEKS Tools Grade 7]
This post specifically looks at how formulas can be used solve problems involving volume and surface area. Read more about TEKS Tools and their rationale here . Formulas Formulas account for around 22% of each 7th grade STAAR test. These formulas are applied to solve problems related to volume, surface area, composite figures, linear relationships, and composite figures. The main function of a formula is to understand the relationship between quantities. In fourth grade, st
Aaron Daffern
Mar 172 min read
Formulas: 2D Shapes [TEKS Tools Grade 7]
This post specifically looks at how formulas can be used solve problems involving composite figures and circle geometry. Read more about TEKS Tools and their rationale here . Formulas Formulas account for around 22% of each 7th grade STAAR test. These formulas are applied to solve problems related to volume, surface area, composite figures, linear relationships, and composite figures. The main function of a formula is to understand the relationship between quantities. In fo
Aaron Daffern
Mar 172 min read
Formulas: Linear relationships [TEKS Tools Grade 7]
This post specifically looks at how formulas can be used solve problems involving linear relationships in the form of graphs, tables, equations, and verbal descriptions. Read more about TEKS Tools and their rationale here . Formulas Formulas account for around 22% of each 7th grade STAAR test. These formulas are applied to solve problems related to volume, surface area, composite figures, linear relationships, and composite figures. The main function of a formula is to unde
Aaron Daffern
Mar 171 min read


Lessons learned from the 2025 7th 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 7.3B 2 38 7.9C 2 38.5 7.4D 2 42 7.11A 2 44 7.6G 2 44.5 7.9A 2 44.5 7.6I 2 46.5 7.7A 2 46.5 7.5C 2 48 7.9B 2 49.5 7.4A 2 55.5 7.12A 2
Aaron Daffern
Dec 26, 20256 min read


Lessons learned from the 2024 7th Grade Math STAAR
The 2024 7th Grade Math STAAR continued both statewide online testing and several new item types. Using a modified version of the...
Aaron Daffern
Dec 31, 20246 min read


Lessons learned from the 2023 7th Grade Math STAAR
The 2023 7th Grade Math STAAR introduced statewide online testing and several new item types. Using a modified version of the statewide...
Aaron Daffern
Oct 29, 20235 min read


7th Grade Math - Comparing Monetary Incentives
This post explains and gives practice opportunities related to TEKS 7.13F: analyze and compare monetary incentives, including sales,...
Aaron Daffern
May 22, 20221 min read


7th Grade Math - Simple and Compound Interest
This post explains and gives practice opportunities related to TEKS 7.13E: calculate and compare simple interest and compound interest...
Aaron Daffern
May 22, 20221 min read


7th Grade Math - Family Budget
This post explains and gives practice opportunities related to TEKS 7.13D: use a family budget estimator to determine the minimum...
Aaron Daffern
May 22, 20221 min read


7th Grade Math - Net Worth
This post explains and gives practice opportunities related to TEKS 7.13C: create and organize a financial assets and liabilities record...
Aaron Daffern
May 22, 20221 min read


7th Grade Math - Calculating Personal Budget
This post explains and gives practice opportunities related to TEKS 7.13B: identify the components of a personal budget, including...
Aaron Daffern
May 22, 20221 min read


7th Grade Math - Calculating Tax
This post explains and gives practice opportunities related to TEKS 7.13A: calculate the sales tax for a given purchase and calculate...
Aaron Daffern
May 22, 20221 min read


7th Grade Math - Comparing Two Populations
This post explains and gives practice opportunities related to TEKS 7.12C: compare two populations based on data in random samples from...
Aaron Daffern
May 22, 20221 min read
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