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Ohio Standards for Second Grade Math

OH.DAP. Data Analysis and Probability: Students pose questions and collect, organize, represent, interpret and analyze data to answer those questions. Students develop and evaluate inferences, predictions and arguments that are based on data.

DAP.2. Grade Level Indicator: Data Collection: Read, interpret and make comparisons and predictions from data represented in charts, line plots, picture graphs and bar graphs.

DAP.4. Grade Level Indicator: Statistical Methods: Write a few sentences to describe and compare categories of data represented in a chart or graph, and make statements about the data as a whole.

DAP.D. Describe the probability of chance events as more, less or equally likely to occur.

OH.GSS. Geometry and Spatial Sense: Students identify, classify, compare and analyze characteristics, properties and relationships of one-, two- and three-dimensional geometric figures and objects. Students use spatial reasoning, properties of geometric objects, and transformations to analyze mathematical situations and solve problems.

GSS.1. Grade Level Indicator: Characteristics and Properties: Identify, describe, compare, and sort three-dimensional objects (i.e., cubes, spheres, prisms, cones, cylinders and pyramids) according to the shape of the faces or the numbers of faces, edges, or vertices.

GSS.4. Grade Level Indicator: Spatial Relationships: Identify and determine whether two-dimensional shapes are congruent (same shape and size) or similar (same shape different size) by copying or using superposition (lay one thing on top of another).

GSS.5. Grade Level Indicator: Transformations and Symmetry: Create and identify two-dimensional figures with line symmetry; e.g., what letter shapes, logos, polygons are symmetrical.

GSS.A. Describe and create plane figures: circle, rectangle, square, triangle, hexagon, trapezoid, parallelogram and rhombus, and identify them in the environment.

GSS.B. Describe solid objects: cube, rectangular prism, sphere, cylinder, cone and pyramid, and identify them in the environment.

GSS.C. Sort and compare two-dimensional figures and three-dimensional objects according to their characteristics and properties.

GSS.D. Identify, explain and model (superposition, copying) the concept of shapes being congruent and similar.

GSS.E. Recognize two- and three-dimensional objects from different positions.

GSS.F. Describe location, using comparative (before, after), directional (above, below), and positional (first, last) words.

GSS.G. Identify and draw figures with line symmetry.

OH.M. Measurement: Students estimate and measure to a required degree of accuracy and precision by selecting and using appropriate units, tools and technologies.

M.1. Grade Level Indicator: Measurement Units: Identify and select appropriate units of measure for:

M.1.a. Length-centimeters, meters, inches, feet, or yards.
M.1.b. Volume (capacity)-liters, cups, pints, or quarts.
M.1.c. Weight-grams, ounces, or pounds.
M.1.d. Time-hours, half-hours, quarter-hours, or minutes and time designations a.m. or p.m.

M.4. Grade Level Indicator: Measurement Units: Tell time to the nearest minute interval on digital and to the nearest 5 minute interval on analog (dial) timepieces.

M.5. Grade Level Indicator: Use Measurement Techniques and Tools: Estimate and measure the length and weight of common objects, using metric and U.S. customary units, accurate to the nearest unit.

M.6. Grade Level Indicator: Use Measurement Techniques and Tools: Select and use appropriate measurement tools; e.g., a ruler to draw a segment 3 inches long, a measuring cup to place 2 cups of rice in a bowl, a scale to weigh 50 grams of candy.

M.A. Explain the need for standard units of measure.

M.B. Select appropriate units for length, weight, volume (capacity) and time, using: objects; i.e., non-standard units; U.S. customary units: inch, foot, yard, ounce, pound, cup, quart, gallon, minute, hour, day, week and year; metric units: centimeter, meter, gram and liter.

M.D. Apply measurement techniques to measure length, weight and volume (capacity).

OH.MP. Mathematical Processes: Students use mathematical processes and knowledge to solve problems. Students apply problem-solving and decision-making techniques, and communicate mathematical ideas.

MP.G. Use invented and conventional symbols and common language to describe a problem situation and solution.

OH.NNSO. Number, Number Sense and Operations: Students demonstrate number sense, including an understanding of number systems and operations and how they relate to one another. Students compute fluently and make reasonable estimates using paper and pencil, technology-supported and mental methods.

NNSO.1. Grade Level Indicator: Number and Number Systems: Use place value concepts to represent, compare and order whole numbers using physical models, numerals and words, with ones, tens and hundreds. For example:

NNSO.1.a. Recognize 10 can mean “10 ones” or a single entity (1 ten) through physical models and trading games.
NNSO.1.b. Read and write 3-digit numerals (e.g., 243 as two hundred forty three, 24 tens and 3 ones, or 2 hundreds and 43 ones, etc.) and construct models to represent each.

NNSO.10. Grade Level Indicator: Computation and Estimation: Demonstrate fluency in addition facts with addends through 9 and corresponding subtractions; e.g., 9 + 9 = 18, 18-9 = 9.

NNSO.12. Grade Level Indicator: Computation and Estimation: Demonstrate multiple strategies for adding and subtracting 2- or 3-digit whole numbers, such as:

NNSO.12.a. Compatible numbers.
NNSO.12.b. Compensatory numbers.
NNSO.12.c. Informal use of commutative and associative properties of addition.

NNSO.13. Grade Level Indicator: Computation and Estimation: Estimate the results of whole number addition and subtraction problems using front-end estimation, and judge the reasonableness of the answers.

NNSO.2. Grade Level Indicator: Number and Number Systems: Recognize and classify numbers as even or odd.

NNSO.3. Grade Level Indicator: Number and Number Systems: Count money and make change using coins and a dollar bill.

NNSO.4. Grade Level Indicator: Number and Number Systems: Represent and write the value of money using the cent sign and in decimal form when using the dollar sign.

NNSO.5. Grade Level Indicator: Number and Number Systems: Represent fractions (halves, thirds, fourths, sixths and eighths), using words, numerals and physical models. For example:

NNSO.5.a. Recognize that a fractional part can mean different amounts depending on the original quantity.
NNSO.5.b. Recognize that a fractional part of a rectangle does not have to be shaded with contiguous parts.
NNSO.5.c. Identify and illustrate parts of a whole and parts of sets of objects.
NNSO.5.d. Compare and order physical models of halves, thirds and fourths in relation to 0 and 1.

NNSO.6. Grade Level Indicator: Meaning of Operations: Model, represent and explain subtraction as comparison, take-away and part-to-whole; e.g., solve missing addend problems by counting up or subtracting, such as 'I had six baseball cards, my sister gave me more, and I now have ten. How many did she give me?' can be represented as 6 + ? = 10 or 10 - 6 = ?.

NNSO.7. Grade Level Indicator: Meaning of Operations: Model, represent and explain multiplication as repeated addition, rectangular arrays and skip counting.

NNSO.8. Grade Level Indicator: Meaning of Operations: Model, represent and explain division as sharing equally and repeated subtraction.

NNSO.9. Grade Level Indicator: Computation and Estimation: Model and use the commutative property for addition.

NNSO.A. Use place value concepts to represent whole numbers using numerals, words and physical models.

NNSO.B. Recognize, classify, compare and order whole numbers.

NNSO.C. Represent commonly used fractions using words and physical models.

NNSO.D. Determine the value of a collection of coins and dollar bills.

NNSO.E. Make change using coins for values up to one dollar.

NNSO.F. Count, using numerals and ordinal numbers.

NNSO.G. Model, represent and explain addition as combining sets and counting on.

NNSO.H. Model, represent and explain subtraction as comparison, take-away and part-to-whole.

NNSO.I. Model, represent and explain multiplication as repeated addition, rectangular arrays and skip counting.

NNSO.J. Model, represent and explain division as sharing equally, repeated subtraction and rectangular arrays.

NNSO.K. Demonstrate fluency in addition facts with addends through 9 and corresponding subtractions.

NNSO.L. Demonstrate fluency in adding and subtracting multiples of 10, and recognize combinations that make 10.

NNSO.M. Add and subtract two-digit numbers with and without regrouping.

OH.PFA. Patterns, Functions and Algebra: Students use patterns, relations and functions to model, represent and analyze problem situations that involve variable quantities. Students analyze, model and solve problems using various representations such as tables, graphs and equations.

PFA.1. Grade Level Indicator: Use Patterns, Relations and Functions: Extend simple number patterns (both repeating and growing patterns), and create similar patterns using different objects, such as using physical materials or shapes to represent numerical patterns.

PFA.2. Grade Level Indicator: Use Patterns, Relations and Functions: Use patterns to make generalizations and predictions; e.g., determine a missing element in a pattern.

PFA.3. Grade Level Indicator: Use Patterns, Relations and Functions: Create new patterns with consistent rules or plans, and describe the rule or general plan of existing patterns.

PFA.5. Grade Level Indicator: Use Algebraic Representations: Understand equivalence and extend the concept to situations involving symbols.

PFA.6. Grade Level Indicator: Use Algebraic Representations: Use symbols to represent unknown quantities and identify values for symbols in an expression or equation using addition and subtraction.

PFA.A. Sort, classify and order objects by size, number and other properties, and describe the attributes used.

PFA.B. Extend sequences of sounds and shapes or simple number patterns, and create and record similar patterns.

PFA.C. Create and extend patterns, and describe the rule in words.

PFA.D. Model problem situations, using objects, pictures, numbers and other symbols.

PFA.E. Solve open sentences and explain strategies.

PFA.F. Represent an unknown quantity as a variable using a symbol, such as a box, a triangle, or a circle.

NewPath Learning resources are fully aligned to US Education Standards. Select a standard below to view correlations to your selected resource:

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