2nd Grade Math (Pennsylvania PA Core)

2.1 Numbers and Operations

• CC.2.1.2.B.1 Understand that the three digits of a number stand for hundreds, tens and ones.
• CC.2.1.2.B.2 Use place value to read, write, count and compare numbers to 1000.
• CC.2.1.2.B.3 Add and subtract using place-value strategies and operation properties, including adding several two-digit numbers.

2.2 Algebraic Concepts

• CC.2.2.2.A.1 Solve one- and two-step addition and subtraction word problems within 100.
• CC.2.2.2.A.2 Add and subtract within 20 fluently with mental strategies and properties of addition.
• CC.2.2.2.A.3 Work with equal groups (odd and even, arrays) to build a base for multiplication.

2.3 Geometry

• CC.2.3.2.A.1 Recognize and draw shapes with given attributes: triangles, quadrilaterals, pentagons, hexagons and cubes.
• CC.2.3.2.A.2 Split circles and rectangles into halves, thirds and fourths; equal shares need not match in shape.

2.4 Measurement, Data, and Probability

• CC.2.4.2.A.1 Measure and estimate lengths in standard units with suitable tools.
• CC.2.4.2.A.2 Tell and write time to the nearest five minutes on analog and digital clocks.
• CC.2.4.2.A.3 Solve money problems with coins and bills, using $ and ¢.
• CC.2.4.2.A.4 Show and interpret data in line plots, picture graphs and bar graphs.
• CC.2.4.2.A.6 Solve length problems by adding and subtracting within 100, including on a number line.