1st Grade Math (Texas TEKS)

111.3(b)(1) Mathematical process standards

• 111.3(b)(1) Student uses mathematical processes to acquire and demonstrate understanding through problem solving, tools, communication, and justification.
• 111.3(b)(1)(A) Apply mathematics to problems from everyday life, society, and the workplace.
• 111.3(b)(1)(B) Use a problem-solving model: analyze information, plan, solve, justify, and evaluate reasonableness.
• 111.3(b)(1)(C) Choose suitable tools and techniques, such as manipulatives, technology, mental math, or estimation.
• 111.3(b)(1)(D) Communicate ideas and reasoning using multiple representations like symbols, diagrams, graphs, and words.
• 111.3(b)(1)(E) Create and use representations to organize, record, and communicate mathematical ideas.
• 111.3(b)(1)(F) Analyze mathematical relationships to connect and communicate ideas.
• 111.3(b)(1)(G) Explain and justify mathematical ideas using precise language, orally or in writing.

111.3(b)(2) Number and operations

• 111.3(b)(2) Student represents and compares whole numbers and place-value relationships in the base-10 system.
• 111.3(b)(2)(A) Recognize instantly the quantity of structured arrangements.
• 111.3(b)(2)(B) Compose and decompose numbers up to 120 in multiple ways using hundreds, tens, and ones.
• 111.3(b)(2)(C) Represent numbers up to 120 with objects, pictures, and expanded and standard forms.
• 111.3(b)(2)(D) Generate a number greater or less than a given whole number up to 120.
• 111.3(b)(2)(E) Compare whole numbers up to 120 using place value and comparative language.
• 111.3(b)(2)(F) Order whole numbers up to 120 using place value and open number lines.
• 111.3(b)(2)(G) Show comparisons of two numbers to 100 using the symbols >, <, or =.

111.3(b)(3) Number and operations

• 111.3(b)(3) Student develops and uses strategies for whole-number addition and subtraction to solve problems.
• 111.3(b)(3)(A) Find the sum of a multiple of 10 and a one-digit number, up to 99, using models.
• 111.3(b)(3)(B) Solve word problems about joining, separating, and comparing within 20, with unknowns in any position.
• 111.3(b)(3)(C) Compose 10 with two or more addends, with or without objects.
• 111.3(b)(3)(D) Apply basic fact strategies, such as making 10, to add and subtract within 20.
• 111.3(b)(3)(E) Explain addition and subtraction strategies within 20 using words, objects, pictures, and number sentences.
• 111.3(b)(3)(F) Create and solve problem situations from a number sentence involving addition or subtraction within 20.

111.3(b)(4) Number and operations

• 111.3(b)(4) Student identifies coins, their values, and their relationships to understand monetary transactions.
• 111.3(b)(4)(A) Identify U.S. coins by value and describe how they relate to one another.
• 111.3(b)(4)(B) Write a number with the cent symbol to describe a coin's value.
• 111.3(b)(4)(C) Count by twos, fives, and tens to find the value of pennies, nickels, and dimes.

111.3(b)(5) Algebraic reasoning

• 111.3(b)(5) Student identifies and applies number patterns and properties of numbers and operations to describe relationships.
• 111.3(b)(5)(A) Recite numbers forward and backward from any given number between 1 and 120.
• 111.3(b)(5)(B) Skip count by twos, fives, and tens to find the total number of objects in a set up to 120.
• 111.3(b)(5)(C) Use relationships to find the number that is 10 more or 10 less than a given number up to 120.
• 111.3(b)(5)(D) Represent addition and subtraction word problems within 20 using models and number sentences.
• 111.3(b)(5)(E) Understand that the equal sign shows both sides of an equation have the same value.
• 111.3(b)(5)(F) Find the unknown whole number in an addition or subtraction equation, whichever term is missing.
• 111.3(b)(5)(G) Apply properties of operations to add or subtract two or three numbers.

111.3(b)(6) Geometry and measurement

• 111.3(b)(6) Student analyzes attributes of two-dimensional shapes and three-dimensional solids to form generalizations about their properties.
• 111.3(b)(6)(A) Classify and sort regular and irregular two-dimensional shapes using informal geometric language.
• 111.3(b)(6)(B) Distinguish attributes that define a two- or three-dimensional figure from attributes that do not.
• 111.3(b)(6)(C) Create two-dimensional figures such as circles, triangles, rectangles, squares, rhombuses, and hexagons.
• 111.3(b)(6)(D) Identify two-dimensional shapes and describe their attributes using formal geometric language.
• 111.3(b)(6)(E) Identify three-dimensional solids, such as spheres, cones, cylinders, prisms, and cubes, using formal language.
• 111.3(b)(6)(F) Compose two-dimensional shapes by joining two, three, or four figures to make a target shape.
• 111.3(b)(6)(G) Partition two-dimensional figures into two and four equal parts and describe the parts in words.
• 111.3(b)(6)(H) Identify examples and non-examples of halves and fourths.

111.3(b)(7) Geometry and measurement

• 111.3(b)(7) Student selects and uses units to describe length and time.
• 111.3(b)(7)(A) Measure object lengths with measuring tools, recognizing that linear measurement is continuous.
• 111.3(b)(7)(B) Show that length is the number of same-size units laid end to end with no gaps or overlaps.
• 111.3(b)(7)(C) Measure the same distance with two unit lengths and explain how and why the results differ.
• 111.3(b)(7)(D) Describe a length to the nearest whole unit using a number and a unit.
• 111.3(b)(7)(E) Tell time to the hour and half hour on analog and digital clocks.

111.3(b)(8) Data analysis

• 111.3(b)(8) Student collects and organizes data so it can be used to interpret information and solve problems.
• 111.3(b)(8)(A) Collect, sort, and organize data into up to three categories using tally marks or T-charts.
• 111.3(b)(8)(B) Use data to create picture and bar-type graphs.
• 111.3(b)(8)(C) Draw conclusions and generate and answer questions using picture and bar-type graphs.

111.3(b)(9) Personal financial literacy

• 111.3(b)(9) Student manages financial resources effectively to support lifetime financial security.
• 111.3(b)(9)(A) Define money earned as income.
• 111.3(b)(9)(B) Identify income as a way to obtain goods and services, often choosing between wants and needs.
• 111.3(b)(9)(C) Distinguish between spending and saving.
• 111.3(b)(9)(D) Consider charitable giving.