2nd Grade Math (North Dakota Content Standards)

Number and Operations (NO)

• 2.NO.CC.1 Count forward from any number within 1,000.
• 2.NO.CC.2 Count back from any number within 1,000.
• 2.NO.CC.3 Read and write numbers to 1,000 in standard, word and expanded form.
• 2.NO.CC.4 Skip count by 2s (2–20) and 100s (100–1,000), noticing patterns.
• 2.NO.NBT.1 Understand that three digits show hundreds, tens and ones.
• 2.NO.NBT.2 Compare three-digit numbers with >, < or =, justifying with place value.
• 2.NO.NBT.3 Add within 100 using place value and the link between addition and subtraction.
• 2.NO.NBT.4 Subtract within 100 using place value and the link between addition and subtraction.
• 2.NO.NBT.5 Mentally add or take away 10 or 100 from numbers between 100 and 900.
• 2.NO.NF.1 Cut circles and rectangles into 2, 3 or 4 equal parts (halves, thirds, fourths).
• 2.NO.NF.2 Know that identical wholes can be split into equal shares in different ways.
• 2.NO.NF.3 Know that more equal shares means smaller shares.

Algebraic Reasoning (AR)

• 2.AR.OA.1 Add and subtract within 20 automatically.
• 2.AR.OA.2 Solve and justify addition and subtraction equations within 100 using operation properties.
• 2.AR.OA.3 Solve one- and two-step addition word problems within 100, including unknowns.
• 2.AR.OA.4 Solve one- and two-step subtraction word problems within 100, including unknowns.
• 2.AR.OA.5 Use repeated addition to find the total in a rectangular array up to 5 by 5.
• 2.AR.OA.6 Tell whether 0–20 objects make an even or odd count by splitting evens into two equal groups.

Geometry and Measurement (GM)

• 2.GM.G.1 Identify parallelograms and quadrilaterals.
• 2.GM.G.2 Identify 2D shapes found within 3D shapes.
• 2.GM.G.3 Draw or build shapes with given features such as numbers of sides, angles, faces or vertices.
• 2.GM.M.1 Measure a length with two different standard units and explain how unit size affects the result.
• 2.GM.M.2 Estimate and measure the length difference between two objects in a standard unit.
• 2.GM.M.3 Read and record time to 5 minutes, including quarter past and quarter to, using a.m. and p.m.
• 2.GM.M.4 Count quarters, dimes, nickels and pennies up to one dollar.

Data, Probability and Statistics (DPS)

• 2.DPS.D.1 Pose questions and collect, organize and show data with up to four categories in picture and bar graphs.
• 2.DPS.D.2 Collect data and make line plots marked in whole units.
• 2.DPS.D.3 Use graphs to solve one-step comparison problems.