2nd Grade Math (Missouri Learning Standards)

Number Sense and Operations in Base Ten (NBT), cluster A

• 2.NBT.A.1 Understand three-digit numbers as hundreds, tens, and ones.
• 2.NBT.A.2 See 100 as ten tens called a hundred.
• 2.NBT.A.3 Count within 1000 from any number in steps of 1, 10, or 100.
• 2.NBT.A.4 Read and write numbers to 1000 in words, numerals, and expanded form.
• 2.NBT.A.5 Compare three-digit numbers with >, =, and <.

Number Sense and Operations in Base Ten (NBT), cluster B

• 2.NBT.B.6 Add and subtract fluently within 100.
• 2.NBT.B.7 Add as many as four two-digit numbers.
• 2.NBT.B.8 Add or subtract within 1000 and explain the answer.
• 2.NBT.B.9 Use the link between addition and subtraction to solve problems.
• 2.NBT.B.10 Add or subtract 10 or 100 mentally for numbers within 1000.

Number Sense and Operations in Base Ten (NBT), cluster C

• 2.NBT.C.11 Write and solve addition and subtraction problems within 100.

Relationships and Algebraic Thinking (RA), cluster A

• 2.RA.A.1 Add and subtract fluently within 20.

Relationships and Algebraic Thinking (RA), cluster B

• Decide whether a group of objects has an even or odd number of members.
• 2.RA.B.2a Skip count by 2s to 100 from any even number.
• 2.RA.B.2b Show even numbers as groups of 2 and write a sum of 2s for them.
• 2.RA.B.2c Show even numbers as two equal groups and write a sum of two equal addends.
• 2.RA.B.3 Find the total in an array (up to 5 by 5) and write it as a sum of equal addends.

Geometry and Measurement (GM), cluster A

• Recognize and draw shapes with given features, such as a number of angles or sides.
• 2.GM.A.1a Name triangles, quadrilaterals, pentagons, hexagons, circles, and cubes.
• 2.GM.A.1b Identify the faces of solid shapes.
• 2.GM.A.2 Split a rectangle into rows and columns of equal squares and count them.
• Split circles and rectangles into halves, thirds, or quarters and describe the parts and the whole.
• 2.GM.A.3a Show that equal parts of the same whole can have different shapes.

Geometry and Measurement (GM), cluster B

• 2.GM.B.4 Choose and use suitable tools to measure length.
• 2.GM.B.5 Compare results when one object is measured with different units.
• 2.GM.B.6 Estimate lengths in inches, feet, yards, centimeters, and meters.
• 2.GM.B.7 Measure to find the difference in length between two objects.

Geometry and Measurement (GM), cluster C

• 2.GM.C.8 Solve length problems within 100 with addition and subtraction, using the same units.
• 2.GM.C.9 Mark whole numbers as distances on a number line and use it to show sums and differences within 100.

Geometry and Measurement (GM), cluster D

• 2.GM.D.10 Tell and write time to the nearest five minutes on analog and digital clocks, with a.m. and p.m.
• 2.GM.D.11 Read digital time as hours and minutes and match it to the analog clock face.
• 2.GM.D.12 Find the value of mixed bills and coins using the dollar and cent signs.
• 2.GM.D.13 Find coin combinations that make a given amount.

Data and Statistics (DS), cluster A

• 2.DS.A.1 Make a line plot of number data on a whole-number scale.
• 2.DS.A.2 Measure to the nearest whole unit and show the results in a line plot.
• 2.DS.A.3 Draw a picture graph or bar graph for data with up to four categories.
• 2.DS.A.4 Solve problems with data shown in bar graphs, picture graphs, and line plots.
• 2.DS.A.5 Draw conclusions from bar graphs, picture graphs, and line plots.