2nd Grade Math (Texas TEKS)

111.4(b)(1) Mathematical process standards

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

111.4(b)(2) Number and operations

• 111.4(b)(2) Student represents, compares, and orders whole numbers and understands place value relationships.
• 111.4(b)(2)(A) Compose and decompose numbers up to 1,200 as sums of thousands, hundreds, tens, and ones.
• 111.4(b)(2)(B) Write numbers up to 1,200 in standard, word, and expanded forms.
• 111.4(b)(2)(C) Generate a number greater or less than a given whole number up to 1,200.
• 111.4(b)(2)(D) Compare and order whole numbers up to 1,200 using place value, comparative language, and symbols.
• 111.4(b)(2)(E) Locate a given whole number on an open number line.
• 111.4(b)(2)(F) Name the whole number that corresponds to a specific point on a number line.

111.4(b)(3) Number and operations

• 111.4(b)(3) Student recognizes and represents fractional units and explains how they name parts of a whole.
• 111.4(b)(3)(A) Partition objects into equal parts and name them, including halves, fourths, and eighths, using words.
• 111.4(b)(3)(B) Explain that more fractional parts in a whole means smaller parts, and fewer means larger parts.
• 111.4(b)(3)(C) Use concrete models to count fractional parts beyond one whole and identify how many parts make one whole.
• 111.4(b)(3)(D) Identify examples and non-examples of halves, fourths, and eighths.

111.4(b)(4) Number and operations

• 111.4(b)(4) Student develops efficient, accurate strategies for adding and subtracting whole numbers.
• 111.4(b)(4)(A) Recall basic addition and subtraction facts within 20 automatically.
• 111.4(b)(4)(B) Add up to four two-digit numbers and subtract two-digit numbers using mental strategies and algorithms.
• 111.4(b)(4)(C) Solve one- and multi-step addition and subtraction word problems within 1,000 using varied strategies.
• 111.4(b)(4)(D) Generate and solve problem situations for a given number sentence involving addition and subtraction within 1,000.

111.4(b)(5) Number and operations

• 111.4(b)(5) Student determines the value of coins to solve monetary transactions.
• 111.4(b)(5)(A) Determine the value of a collection of coins up to one dollar.
• 111.4(b)(5)(B) Use the cent symbol, dollar sign, and decimal point to name the value of a coin collection.

111.4(b)(6) Number and operations

• 111.4(b)(6) Student connects repeated addition and subtraction to multiplication and division in equal groups and shares.
• 111.4(b)(6)(A) Model, create, and describe multiplication situations where equivalent sets of objects are joined.
• 111.4(b)(6)(B) Model, create, and describe division situations where objects are separated into equivalent sets.

111.4(b)(7) Algebraic reasoning

• 111.4(b)(7) Student identifies and applies number patterns within number properties and operations to describe relationships.
• 111.4(b)(7)(A) Determine whether a number up to 40 is even or odd by pairing objects.
• 111.4(b)(7)(B) Use place value to find the number that is 10 or 100 more or less than a given number up to 1,200.
• 111.4(b)(7)(C) Represent and solve addition and subtraction word problems where any term may be unknown.

111.4(b)(8) Geometry and measurement

• 111.4(b)(8) Student analyzes attributes of two- and three-dimensional shapes to develop generalizations about their properties.
• 111.4(b)(8)(A) Create two-dimensional shapes based on given attributes, including number of sides and vertices.
• 111.4(b)(8)(B) Classify and sort three-dimensional solids by attributes using formal geometric language.
• 111.4(b)(8)(C) Classify and sort polygons with 12 or fewer sides by attributes, including sides and vertices.
• 111.4(b)(8)(D) Compose two- and three-dimensional shapes and solids with given properties or attributes.
• 111.4(b)(8)(E) Decompose shapes, such as by cutting, halving, or partitioning, and identify the resulting parts.

111.4(b)(9) Geometry and measurement

• 111.4(b)(9) Student selects and uses units to describe length, area, and time.
• 111.4(b)(9)(A) Find object lengths using concrete models of standard units of length.
• 111.4(b)(9)(B) Describe the inverse relationship between unit size and the number of units needed to measure an object.
• 111.4(b)(9)(C) Represent whole numbers as distances from a given location on a number line.
• 111.4(b)(9)(D) Measure an object's length to the nearest marked unit using rulers, yardsticks, meter sticks, or tapes.
• 111.4(b)(9)(E) Solve length problems, including estimating lengths.
• 111.4(b)(9)(F) Find the area of a rectangle by covering it with square units and counting them.
• 111.4(b)(9)(G) Read and write time to the nearest minute on analog and digital clocks; distinguish a.m. from p.m.

111.4(b)(10) Data analysis

• 111.4(b)(10) Student organizes data to interpret information and solve problems.
• 111.4(b)(10)(A) Explain that bar length or number of pictures represents the number of data points in a category.
• 111.4(b)(10)(B) Organize data with up to four categories using pictographs and bar graphs with intervals of one or more.
• 111.4(b)(10)(C) Write and solve one-step addition or subtraction word problems using pictographs and bar graphs.
• 111.4(b)(10)(D) Draw conclusions and make predictions from information in a graph.

111.4(b)(11) Personal financial literacy

• 111.4(b)(11) Student manages financial resources effectively for lifetime financial security.
• 111.4(b)(11)(A) Calculate how money saved can grow into a larger amount over time.
• 111.4(b)(11)(B) Explain that saving is an alternative to spending.
• 111.4(b)(11)(C) Distinguish between a deposit and a withdrawal.
• 111.4(b)(11)(D) Identify examples of borrowing and distinguish responsible from irresponsible borrowing.
• 111.4(b)(11)(E) Identify examples of lending and use benefits and costs to evaluate lending decisions.
• 111.4(b)(11)(F) Differentiate producers from consumers and calculate the cost to produce a simple item.