2nd Grade Common Core Math Resources

Operations & Algebraic Thinking	Number & Operations in Base Ten	Measurement & Data	Geometry
2.OA.1 Use addition and subtraction within 100 to solve one- and two-step word problems.	2.NBT.1 Understand that the three digits of a three-digit number represent amounts of hundreds, tens, and ones.	2.MD.1 Measure the length of an object with rulers, yardsticks, meter sticks, and measuring tapes.	2.G.1 Recognize and draw shapes,with angles and faces. Identify triangles, quadrilaterals, pentagons, hexagons, and cubes.
2.OA.2 Fluently add and subtract within 20 using mental strategies.	2.NBT.2 Count within 1000; skip-count by 5s, 10s, and 100s.	2.MD.2 Measure the length of an object twice, using length units of different lengths for the two measurements.	2.G.2 Partition a rectangle into rows and columns of same-size squares and count to find the total number of them.
2.OA.3 Determine whether a group of objects has an odd or even number to 20.	2.NBT.3 Read and write numbers to 1000 using base-ten numerals, number names, and expanded form.	2.MD.3 Estimate lengths using units of inches, feet, centimeters, and meters.	2.G.3 Partition circles and rectangles into two, three, or four equal shares.
2.OA.4 Use addition to find arranged in rectangular arrays with up to 5 rows and up to 5 columns; write an equation.	2.NBT.4 Compare two three-digit numbers based on meanings of the hundreds, tens, and ones	2.MD.4 Measure to determine how much longer one object is than another.
	2.NBT.5 Fluently add and subtract within 100 using strategies based on place value.	2.MD.5 Use addition and subtraction within 100 to solve word problems involving lengths.
	2.NBT.6 Add up to four two-digit numbers using strategies based on place value and properties of operations.	2.MD.6 Represent whole numbers as lengths from 0 on a number line.
	2.NBT.7 Add and subtract within 1000.	2.MD.7 Tell and write time from analog and digital clocks to the nearest five minutes, using a.m. and p.m.
	2.NBT.8 Mentally add 10 or 100 to a given number 100–900, and mentally subtract 10 or 100 from a given number 100–900.	2.MD.8 Solve word problems involving dollar bills, quarters, dimes, nickels, and pennies, using $ and ¢ symbols appropriately.
	2.NBT.9 Explain why addition and subtraction strategies work, using place value and the properties of operations.	2.MD.9 Generate measurement data by measuring lengths of several objects for line plot.
		2.MD.10 Draw a picture graph and a bar graph (with single-unit scale) to represent a data set with up to four categories.