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Tennessee Math Standards - 2nd Grade
MathScore aligns to the Tennessee Math Standards for 2nd Grade. The standards appear below along with the MathScore topics that match. If you click on a topic name, you will see sample problems at varying degrees of difficulty that MathScore generated. When students use our program, the difficulty of the problems will automatically adapt based on individual performance, resulting in not only true differentiated instruction, but a challenging game-like experience.
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View the Tennessee Math Standards at other levels.
Numbers and Operations
2.1.1 Understand numbers, ways of representing numbers, relationships among numbers, and number systems.a. count a set of objects to 100 using an efficient grouping strategy (e.g., two’s, three's, five’s, ten’s); (Skip Counting )
b. count forward and backward by one from any number less than 999;
c. read and write numerals to 999; (Counting Squares )
d. recognize the place value of a digit in numbers to 999; (Place Value to 1000 )
e. identify odd and even numbers to 100; (Odd or Even )
f. use concrete models or pictures to show whether a fraction is less than a half, more than a half, or equal to a half; (Basic Fraction Comparison , Fraction Comparison )
g. match the spoken, written, concrete, and pictorial representations of halves, thirds, and fourths;
h. compare the unit fractions 1/2, 1/3, and 1/4; (Basic Fraction Comparison , Fraction Comparison )
i. count the value of a set of coins up to one dollar; (Counting Money )
j. order whole numbers less than 1000; (Order Numbers to 1000 )
k. compare two numbers using the appropriate symbol (i.e., <, >, =); (Number Comparison )
l. represent numbers to 999 in flexible ways using a variety of materials (e.g., 23 as 23 ones, 1 ten and 13 ones, and/or 2 tens and 3 ones); (Place Value to 1000 )
m. apply the language of ordinal numbers up to twentieth.
2.1.2 Understand meanings of operations and how they relate to one another.
a. develop a story problem that illustrates a given addition or subtraction number sentence;
b. use the number line to demonstrate addition and subtraction;
c. write and identify number sentences that describe situations involving addition and subtraction;
d. write and explain related addition and subtraction sentence. (Inverse Equations 1 )
2.1.3 Solve problems, compute fluently, and make reasonable estimates.
a. solve story problems involving numbers to 100; (Basic Word Problems )
b. check for the reasonableness of solutions;
c. use calculators in problem-solving situations;
d. add and subtract efficiently and accurately with single-digit numbers; (Fast Addition , Fast Addition Reverse , Fast Subtraction , Mixed Addition and Subtraction , Addition Grouping )
e. use a variety of strategies and representations to add and subtract two-digit whole numbers; (Long Addition to 1000 , Long Subtraction to 1000 )
f. explain and justify solution strategies used in problem solving;
Algebra
2.2.1 Sort and classify objects by size, number, and other properties.a. sort objects by two or more attributes;
b. identify the rules by which objects or numbers have been sorted.
2.2.2 Represent and analyze patterns and functions.
a. extend a growing pattern; (Patterns: Numbers , Patterns: Shapes )
b. identify the unit of a three-part repeating pattern; (Patterns: Shapes )
c. translate a repeating pattern from one medium to another (e.g., red-blue-blue to snap-clap-clap);
d. determine the output for a particular input given the one-operation function rule involving addition and subtraction. (Function Tables , Function Tables 2 )
2.2.3 Use concrete, pictorial, and verbal representations to develop an understanding of the language and symbols of mathematics.
a. interpret and solve open sentences that involve addition or subtraction; (Missing Term )
b. use the language and symbols of mathematics appropriately to communicate mathematical thinking;
c. use manipulatives to demonstrate addition and subtraction sentences written symbolically involving numbers 0-20.
2.2.4 Illustrate general properties of operations.
a. apply the commutative property of addition; (Associative Property 1 )
b. show that subtraction is not commutative;
c. apply the addition and subtraction properties of zero.
2.2.5 Analyze change in various contexts.
a. describe qualitative change (e.g., a student growing taller); (Line Graphs )
b. describe quantitative change (e.g., a student growing two inches in one year).
Geometry
2.3.1 Analyze characteristics and properties of geometric shapes.a. recognize, name, build, draw, and compare two- and three-dimensional geometric figures; (Geometric Shapes )
b. describe attributes and parts of two- and three-dimensional geometric figures;
c. recognize shapes that have line symmetry;
d. investigate and predict the results of putting together and taking apart two- and three-dimensional geometric figures.
2.3.2 Specify locations and describe spatial relationships.
a. identify the position of whole numbers on the number line.
2.3.3 Recognize and apply flips, slides, and turns.
a. a. illustrate flips, slides, and turns using concrete and pictorial materials.
Measurement
2.4.1 Demonstrate understanding of units of measure and measurable attributes of objects.a. compare and order objects according to length, capacity, and weight;
b. demonstrate understanding of the concepts of perimeter and area;
c. identify the measurable attributes of objects in the environment.
2.4.2 Apply appropriate techniques and tools to determine measurements.
a. read and write time to the hour, half-hour, and quarter-hour; (Telling Time )
b. relate days, dates, weeks, and months to a calendar;
c. explain the relationship between inches and feet;
d. measure length to the nearest centimeter, foot, half-inch, and inch;
e. use strategies to make estimates of length and time;
f. solve problems involving elapsed time in hour intervals; (Time Intervals )
g. measure and estimate weight and capacity using a variety of non-standard units;
h. find area and perimeter using non-standard units;
i. read thermometers with Fahrenheit and Celsius scales.
Data Analysis and Probability
2.5.1 Develop, select, and use appropriate methods to collect, organize, display, and analyze data.a. pose questions and gather data to answer the questions;
b. read, interpret, and create tables using tally marks; (Tally and Pictographs )
c. create pictographs and bar graphs;
d. read and interpret tables, bar graphs, and pictographs. (Tally and Pictographs , Bar Graphs )
2.5.2 Apply the basic concepts of probability.
a. predict outcomes of events based on data gathered and displayed;
b. explain whether an event is likely or unlikely.
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