Pennsylvania Core Standards

Pennsylvania 2nd grade math standards

Every 2nd grade math standard in the Pennsylvania Core Standards for Mathematics, in Pennsylvania's order, with the Lux lessons that teach it.

Number and Operations in Base Ten

CC.2.1.2.B.1
Use place-value concepts to represent amounts of tens and ones and to compare three digit numbers.
Taught inWhat is a digit worth?Many names for one number New names, same number Comparing three-digit numbersand 3 more
CC.2.1.2.B.2
Use place-value concepts to read, write, and skip count to 1000.
Taught inNumbers to 1,000 three ways Zero holds the tens place Skip-count past a hundred
CC.2.1.2.B.3
Use place-value understanding and properties of operations to add and subtract within 1000.
Taught inAdding tens and ones Ten ones make a ten Trade a ten for ten ones Adding by jumpsand 7 more

CC.2.2.2.A.1
Represent and solve problems involving addition and subtraction within 100.
Taught inTwo-step word problems A story for an equation The total is already there Act out the storyand 3 more
CC.2.2.2.A.2
Use mental strategies to add and subtract within 20.
Taught inA fact you know beats counting Subtraction is a missing part Make a ten to add Doubles and near doubles
CC.2.2.2.A.3
Work with equal groups of objects to gain foundations for multiplication.
Taught inEven or odd?Even numbers end the same way Doubles are always even Equal groups, added againand 3 more

CC.2.3.2.A.1
Analyze and draw two- and three-dimensional shapes having specified attributes.
Taught inNaming flat shapes Turned, still a square Count sides, not looks Sorting shapesand 1 more
CC.2.3.2.A.2
Use the understanding of fractions to partition shapes into halves, quarters, and thirds.
Taught inHalves, thirds, and fourths Same size, different shapes Equal without matching Equal parts only

CC.2.4.2.A.1
Measure and estimate lengths in standard units using appropriate tools.
Taught inMeasuring with a ruler Start at zero Count the inches, not the marks Pick the tool and the unitand 5 more
CC.2.4.2.A.2
Tell and write time to the nearest five minutes using both analog and digital clocks.
Taught inTime to five minutes Short hand, long hand Almost the next hour Half past and quarter afterand 1 more
CC.2.4.2.A.3
Solve problems and make change using coins and paper currency with appropriate symbols.
Taught inBigger coin, not bigger value Counting coins Money word problems Making changeand 1 more
CC.2.4.2.A.4
Represent and interpret data using line plots, picture graphs, and bar graphs.
Taught inTally marks and tables Making a bar graph Name each count One picture can stand for moreand 4 more
CC.2.4.2.A.6
Extend the concepts of addition and subtraction to problems involving length.
Taught inAdding by jumps Count up to subtract Length word problems How much did it grow?

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