North Carolina Standards

North Carolina 2nd grade math standards

Every 2nd grade math standard in the North Carolina Standard Course of Study: Mathematics, in North Carolina's order, with the Lux lessons that teach it.

Number and Operations in Base Ten

NC.2.NBT.6
Add up to three two-digit numbers using strategies based on place value and properties of operations.
Taught inAdd four numbers
NC.2.NBT.7.a
Add and subtract, within 1,000, relating the strategy to a written method, using concrete models or drawings.
Taught inAdding to 1,000 Subtracting to 1,000 Subtraction does not turn around Trade only when you need to
NC.2.NBT.7.b
Add and subtract, within 1,000, relating the strategy to a written method, using strategies based on place value.
Taught inAdding to 1,000 Subtracting to 1,000 Subtraction does not turn around Trade only when you need to
NC.2.NBT.7.c
Add and subtract, within 1,000, relating the strategy to a written method, using properties of operations.
Taught inAdding to 1,000 Subtracting to 1,000 Subtraction does not turn around Trade only when you need to
NC.2.NBT.7.d
Add and subtract, within 1,000, relating the strategy to a written method, using relationship between addition and subtraction.
Taught inAdding to 1,000 Subtracting to 1,000 Subtraction does not turn around Trade only when you need to
NC.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.
Taught inTen more, a hundred more Ten more past a hundred

Measurement and Data

NC.2.MD.1
Measure the length of an object in standard units by selecting and using appropriate tools such as rulers, yardsticks, meter sticks, and measuring tapes.
Taught inMeasuring with a ruler Start at zero Count the inches, not the marks Pick the tool and the unitand 2 more
NC.2.MD.2
Measure the length of an object twice, using length units of different lengths for the two measurements; describe how the two measurements relate to the size of the unit chosen.
Taught inBigger unit, fewer units
NC.2.MD.3
Estimate lengths in using standard units of inches, feet, yards, centimeters, and meters.
Taught inMeasuring with a ruler Start at zero Count the inches, not the marks Pick the tool and the unitand 4 more
NC.2.MD.4
Measure to determine how much longer one object is than another, expressing the length difference in terms of a standard length unit.
Taught inHow much longer?
NC.2.MD.5
Use addition and subtraction, within 100, to solve word problems involving lengths that are given in the same units, using equations with a symbol for the unknown number to represent the problem.
Taught inLength word problems How much did it grow?
NC.2.MD.6
Represent whole numbers as lengths from 0 on a number line diagram with equally spaced points and represent whole-number sums and differences, within 100, on a number line.
Taught inAdding by jumps Count up to subtract
NC.2.MD.7
Tell and write time from analog and digital clocks to the nearest five minutes, using a.m. and p.m.
Taught inTime to five minutes Short hand, long hand Almost the next hour Half past and quarter afterand 1 more
NC.2.MD.8.a
Solve word problems involving quarters, dimes, nickels, and pennies within 99¢, using ¢ symbols appropriately.
Taught inBigger coin, not bigger value Counting coins Money word problems Making change
NC.2.MD.8.b
Solve word problems involving whole dollar amounts, using the symbol appropriately.
Taught inBigger coin, not bigger value Counting coins Money word problems Making change
NC.2.MD.10.a
Organize, represent, and interpret data with up to four categories draw a picture graph and a bar graph with a single-unit scale to represent a data set.
Taught inTally marks and tables Making a bar graph Name each count One picture can stand for moreand 3 more
NC.2.MD.10.b
Organize, represent, and interpret data with up to four categories solve simple put-together, take-apart, and compare problems using information presented in a picture and a bar graph.
Taught inTally marks and tables Making a bar graph Name each count One picture can stand for moreand 3 more

Geometry

NC.2.G.1
Recognize and draw triangles, quadrilaterals, pentagons, and hexagons, having specified attributes; recognize and describe attributes of rectangular prisms and cubes.
Taught inNaming flat shapes Turned, still a square Count sides, not looks Sorting shapesand 1 more
NC.2.G.3.a
Partition circles and rectangles into two, three, or four equal shares describe the shares using the words halves, thirds, half of, a third of, fourths, fourth of, quarter of.
Taught inHalves, thirds, and fourths Same size, different shapes Equal without matching Equal parts only
NC.2.G.3.b
Partition circles and rectangles into two, three, or four equal shares describe the whole as two halves, three thirds, four fourths.
Taught inHalves, thirds, and fourths Same size, different shapes Equal without matching Equal parts only
NC.2.G.3.c
Partition circles and rectangles into two, three, or four equal shares explain that equal shares of identical wholes need not have the same shape.
Taught inHalves, thirds, and fourths Same size, different shapes Equal without matching Equal parts only

All North Carolina grades

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