2nd Grade Math (Mississippi CCR Standards)

Operations and Algebraic Thinking (OA)

• 2.OA.1 Solve one- and two-step word problems within 100 with unknowns in any position.
• 2.OA.2 Add and subtract fluently within 20 mentally and know sums of one-digit numbers from memory.
• 2.OA.3 Tell whether a group is odd or even and write even numbers as two equal addends.
• 2.OA.4 Use addition to find the total in rectangular arrays up to 5 by 5.

Number and Operations in Base Ten (NBT)

• 2.NBT.1 Understand three-digit numbers as hundreds, tens, and ones.
  • a. Know 100 is a bundle of ten tens.
  • b. Know 100–900 are one to nine hundreds.
• 2.NBT.2 Count within 1000 and skip-count by 5s, 10s, and 100s.
• 2.NBT.3 Read and write numbers to 1000 in standard, word, and expanded form.
• 2.NBT.4 Compare three-digit numbers by hundreds, tens, and ones.
• 2.NBT.5 Add and subtract fluently within 100 with place-value strategies.
• 2.NBT.6 Add up to four two-digit numbers with place-value strategies.
• 2.NBT.7 Add and subtract within 1000 with models and written methods.
• 2.NBT.8 Add or subtract 10 or 100 mentally for numbers from 100 to 900.
• 2.NBT.9 Explain why addition and subtraction strategies work.

Measurement and Data (MD)

• 2.MD.1 Measure length with rulers, yardsticks, meter sticks, or measuring tapes.
• 2.MD.2 Measure an object with two units of different sizes and explain how the measures relate.
• 2.MD.3 Estimate lengths in inches, feet, centimeters, and meters.
• 2.MD.4 Measure how much longer one object is than another.
• 2.MD.5 Solve length word problems within 100 with addition and subtraction.
• 2.MD.6 Show whole numbers and sums and differences within 100 on a number line.
• 2.MD.7 Tell and write time to the nearest five minutes using a.m. and p.m.
• 2.MD.8a Solve money word problems using the dollar and cent signs correctly.
• 2.MD.8b Use a calendar fluently to answer real-world questions.
• 2.MD.9 Measure objects to whole units and show the data on a line plot.
• 2.MD.10 Draw picture and bar graphs with up to four categories and solve problems with them.

Geometry (G)

• 2.G.1 Draw shapes with given attributes and identify polygons and cubes.
• 2.G.2 Split a rectangle into rows and columns of equal squares and count them.
• 2.G.3 Split circles and rectangles into halves, thirds, and fourths.