Grade 2 Math Florida standards Standards

Add and subtract two- and three-digit whole numbers.

Understand the place value of three-digit numbers.

Number Sense and Operations

Tell time and solve problems involving money.

Measure the length of objects and solve problems involving length.

Measurement

Describe perimeter and find the perimeter of polygons.

Identify and analyze two-dimensional figures and identify lines of symmetry.

Geometric Reasoning

Develop an understanding of fractions.

Fractions

Collect, categorize, represent and interpret data using appropriate titles, labels and units.

Data Analysis and Probability

Develop an understanding of multiplication.

Demonstrate an understanding of equality and addition and subtraction.

Solve addition problems with sums between 0 and 100 and related subtraction problems.

Algebraic Reasoning

Solve one-step addition and subtraction real-world problems within 20 using objects.

Determine if addition or subtraction equations with no more than three terms are true or false. Sums may not exceed 20 and their related subtraction facts.

Determine the unknown whole number in an addition or subtraction equation, relating three whole numbers, with the change or result unknown (e.g., 7 + _ = 10, 10 − 3= ?). Sums may not exceed 20 and their related subtraction facts.

Explore the concept of odd and even by pairing objects to represent an even number using two equal groups or represent an odd number by using two equal groups with one left over. Group of objects may not exceed 20.

Explore using repeated addition to find the total number of objects represented in a collection of equal groups (e.g., 3 groups of 2 objects) or in a rectangular array (e.g., 3 rows of 2 objects). Total objects may not exceed 20.

Sort data into up to three categories and represent the results using tally marks, tables, pictographs or bar graphs. Align data with given title, labels and units.

Interpret data represented with tally marks, tables, pictographs or bar graphs to solve one-step put-together and take-apart problems. Pictograph symbols and bar graph intervals may only represent a quantity of 1.

Partition circles and rectangles into two, three or four equal-sized parts. Recognize the parts of the whole as halves, thirds or fourths. Explore the whole as two halves, three thirds or four fourths.

Identify and produce two-dimensional figures when given defining attributes. Figures are limited to triangles, rectangles, hexagons and squares.

Sort two-dimensional figures based on the number of sides, number of vertices, whether they are closed or open and whether the sides are curved or straight.

Identify a line of symmetry for a two-dimensional figure.

Explore perimeter as an attribute of a figure that can be measured by placing unit segments along the boundary without gaps or overlaps. Find perimeters of rectangles by counting unit segments.

Find the perimeter of a polygon with whole-number side lengths given. Polygons are limited to triangles, rectangles and squares.

Measure the lengths of two objects using the same unit (i.e., inch, foot, yard) and determine the difference between their measurements.

Solve one-step real-world measurement problems involving addition and subtraction of lengths within 20 given in the same unit (i.e., inch, foot, yard).

Measure the length of an object to the nearest inch, foot and or yard when given the appropriate tool.

Explore estimation strategies by developing measurement benchmarks of familiar objects that could be used to make reasonable estimates of length to the nearest inch, foot, or yard.

Using analog and digital clocks, express the time in hours and half hours. Explore the concept of a.m. and p.m.

Solve one-step addition and subtraction real-world problems involving either dollar bills within $20 or coins within 20¢. Explore using $ for dollar bills and ¢ symbol for coins.

Read and generate numbers from 0 to 100 using standard form and expanded form.

Compose and decompose two-digit numbers using tens and ones. Demonstrate each composition or decomposition with objects, drawings, expressions or equations.

Plot, order and compare whole numbers up to 100.

Round whole numbers from 0 to 100 to the nearest 10 with visual support.

Recall addition facts with sums to 10 and related subtraction facts.

Identify the number that is ten more or ten less than a given two-digit number.

Apply a strategy for adding and subtracting a two-digit number (from 11 to 19) and a single digit whole number.

Explore the addition of a two-digit and a single-digit whole number with sums up to 100. Explore the subtraction of a one-digit from a two-digit whole number.

Collect, categorize, represent and interpret data using appropriate titles, labels and units.

Data Analysis and Probability

Describe perimeter and find the perimeter of polygons.

Identify and analyze two-dimensional figures and identify lines of symmetry.

Geometric Reasoning

Develop an understanding of fractions.

Fractions

Tell time and solve problems involving money.

Measure the length of objects and solve problems involving length.

Measurement

Develop an understanding of multiplication.

Demonstrate an understanding of equality and addition and subtraction.

Solve addition problems with sums between 0 and 100 and related subtraction problems.

Algebraic Reasoning

Add and subtract two- and three-digit whole numbers.

Understand the place value of three-digit numbers.

Number Sense and Operations

Solve one- and two-step addition and subtraction real-world problems.

Determine and explain whether equations involving addition and subtraction are true or false.

Determine the unknown whole number in an addition or subtraction equation, relating three or four whole numbers, with the unknown in any position.

Represent an even number using two equal groups or two equal addends. Represent an odd number using two equal groups with one left over or two equal addends plus 1.

Use repeated addition to find the total number of objects in a collection of equal groups. Represent the total number of objects using rectangular arrays and equations.

Collect, categorize and represent data using tally marks, tables, pictographs or bar graphs. Use appropriate titles, labels and units.

Interpret data represented with tally marks, tables, pictographs or bar graphs including solving addition and subtraction problems.

Partition circles and rectangles into two, three or four equal-sized parts. Name the parts using appropriate language, and describe the whole as two halves, three thirds or four fourths.

Partition rectangles into two, three or four equal-sized parts in two different ways showing that equal-sized parts of the same whole may have different shapes.

Identify and draw two-dimensional figures based on their defining attributes. Figures are limited to triangles, rectangles, squares, pentagons, hexagons and octagons.

Categorize two-dimensional figures based on the number and length of sides, number of vertices, whether they are closed or not and whether the edges are curved or straight.

Identify line(s) of symmetry for a two-dimensional figure.

Explore perimeter as an attribute of a figure by placing unit segments along the boundary without gaps or overlaps. Find perimeters of rectangles by counting unit segments.

Find the perimeter of a polygon with whole-number side lengths. Polygons are limited to triangles, rectangles, squares and pentagons.

Estimate and measure the length of an object to the nearest inch, foot, yard, centimeter or meter by selecting and using an appropriate tool.

Measure the lengths of two objects using the same unit and determine the difference between their measurements.

Solve one- and two-step real-world measurement problems involving addition and subtraction of lengths given in the same units.

Using analog and digital clocks, tell and write time to the nearest five minutes using a.m. and p.m. appropriately. Express portions of an hour using the fractional terms half an hour, half past, quarter of an hour, quarter after and quarter til.

Solve one- and two-step addition and subtraction real-world problems involving either dollar bills within $100 or coins within 100¢ using $ and ¢ symbols appropriately.

Read and write numbers from 0 to 1,000 using standard form, expanded form and word form.

Compose and decompose three-digit numbers in multiple ways using hundreds, tens and ones. Demonstrate each composition or decomposition with objects, drawings and expressions or equations.

Plot, order and compare whole numbers up to 1,000.

Round whole numbers from 0 to 100 to the nearest 10.

Recall addition facts with sums to 20 and related subtraction facts with automaticity.

Identify the number that is ten more, ten less, one hundred more and one hundred less than a given three-digit number.

Add two whole numbers with sums up to 100 with procedural reliability. Subtract a whole number from a whole number, each no larger than 100, with procedural reliability.

Explore the addition of two whole numbers with sums up to 1,000. Explore the subtraction of a whole number from a whole number, each no larger than 1,000.