Common Core Solutions

CC.2.MP. Mathematical Practices

2.MP.1. Make sense of problems and persevere in solving them. 6
Suggested Titles for Common Core Mathematics State Standard 2.MP.1.

2.MP.2. Reason abstractly and quantitatively. 18
Suggested Titles for Common Core Mathematics State Standard 2.MP.2.

2.MP.3. Construct viable arguments and critique the reasoning of others. 17
Suggested Titles for Common Core Mathematics State Standard 2.MP.3.

2.MP.4. Model with mathematics. 36
Suggested Titles for Common Core Mathematics State Standard 2.MP.4.

2.MP.5. Use appropriate tools strategically. 25
Suggested Titles for Common Core Mathematics State Standard 2.MP.5.

2.MP.6. Attend to precision. 45
Suggested Titles for Common Core Mathematics State Standard 2.MP.6.

2.MP.7. Look for and make use of structure. 44
Suggested Titles for Common Core Mathematics State Standard 2.MP.7.

2.MP.8. Look for and express regularity in repeated reasoning. 18
Suggested Titles for Common Core Mathematics State Standard 2.MP.8.

CC.2.OA. Operations and Algebraic Thinking

2.OA.1. Use addition and subtraction within 100 to solve one- and two-step word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using drawings and equations with a symbol for the unknown number to represent the problem. 12
Suggested Titles for Common Core Mathematics State Standard 2.OA.1.

2.OA.2. Fluently add and subtract within 20 using mental strategies. By end of Grade 2, know from memory all sums of two one-digit numbers. 16
Suggested Titles for Common Core Mathematics State Standard 2.OA.2.

2.OA.3. Determine whether a group of objects (up to 20) has an odd or even number of members, e.g., by pairing objects or counting them by 2s; write an equation to express an even number as a sum of two equal addends. 22
Suggested Titles for Common Core Mathematics State Standard 2.OA.3.

2.OA.4. Use addition to find the total number of objects arranged in rectangular arrays with up to 5 rows and up to 5 columns; write an equation to express the total as a sum of equal addends. 12
Suggested Titles for Common Core Mathematics State Standard 2.OA.4.

CC.2.NBT. Number and Operations in Base Ten

2.NBT.1. Understand that the three digits of a three-digit number represent amounts of hundreds, tens, and ones; e.g., 706 equals 7 hundreds, 0 tens, and 6 ones. Understand the following as special cases:

2.NBT.1.a. 100 can be thought of as a bundle of ten tens -- called a ''hundred.'' 13
Suggested Titles for Common Core Mathematics State Standard 2.NBT.1.a.

2.NBT.1.b. The numbers 100, 200, 300, 400, 500, 600, 700, 800, 900 refer to one, two, three, four, five, six, seven, eight, or nine hundreds (and 0 tens and 0 ones). 7
Suggested Titles for Common Core Mathematics State Standard 2.NBT.1.b.

2.NBT.2. Count within 1000; skip-count by 5s, 10s, and 100s. 12
Suggested Titles for Common Core Mathematics State Standard 2.NBT.2.

2.NBT.3. Read and write numbers to 1000 using base-ten numerals, number names, and expanded form. 11
Suggested Titles for Common Core Mathematics State Standard 2.NBT.3.

2.NBT.4. Compare two three-digit numbers based on meanings of the hundreds, tens, and ones digits, using >, =, and <. symbols to record the results of comparisons. 8
Suggested Titles for Common Core Mathematics State Standard 2.NBT.4.

2.NBT.5. Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction. 29
Suggested Titles for Common Core Mathematics State Standard 2.NBT.5.

2.NBT.6. Add up to four two-digit numbers using strategies based on place value and properties of operations. 18
Suggested Titles for Common Core Mathematics State Standard 2.NBT.6.

2.NBT.7. Add and subtract within 1000, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method. Understand that in adding or subtracting three-digit numbers, one adds or subtracts hundreds and hundreds, tens and tens, ones and ones; and sometimes it is necessary to compose or decompose tens or hundreds. 21
Suggested Titles for Common Core Mathematics State Standard 2.NBT.7.

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. 20
Suggested Titles for Common Core Mathematics State Standard 2.NBT.8.

2.NBT.9. Explain why addition and subtraction strategies work, using place value and the properties of operations. 24
Suggested Titles for Common Core Mathematics State Standard 2.NBT.9.

CC.2.MD. Measurement and Data

2.MD.1. Measure the length of an object by selecting and using appropriate tools such as rulers, yardsticks, meter sticks, and measuring tapes. 42
Suggested Titles for Common Core Mathematics State Standard 2.MD.1.

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. 27
Suggested Titles for Common Core Mathematics State Standard 2.MD.2.

2.MD.3. Estimate lengths using units of inches, feet, centimeters, and meters. 48
Suggested Titles for Common Core Mathematics State Standard 2.MD.3.

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. 12
Suggested Titles for Common Core Mathematics State Standard 2.MD.4.

2.MD.5. Use addition and subtraction within 100 to solve word problems involving lengths that are given in the same units, e.g., by using drawings (such as drawings of rulers) and equations with a symbol for the unknown number to represent the problem. 15
Suggested Titles for Common Core Mathematics State Standard 2.MD.5.

2.MD.6. Represent whole numbers as lengths from 0 on a number line diagram with equally spaced points corresponding to the numbers 0, 1, 2, ..., and represent whole-number sums and differences within 100 on a number line diagram. 3
Suggested Titles for Common Core Mathematics State Standard 2.MD.6.

2.MD.7. Tell and write time from analog and digital clocks to the nearest five minutes, using a.m. and p.m. 13
Suggested Titles for Common Core Mathematics State Standard 2.MD.7.

2.MD.8. Solve word problems involving dollar bills, quarters, dimes, nickels, and pennies, using $ and cents symbols appropriately. Example: If you have 2 dimes and 3 pennies, how many cents do you have? 66
Suggested Titles for Common Core Mathematics State Standard 2.MD.8.

2.MD.9. Generate measurement data by measuring lengths of several objects to the nearest whole unit, or by making repeated measurements of the same object. Show the measurements by making a line plot, where the horizontal scale is marked off in whole-number units. 38
Suggested Titles for Common Core Mathematics State Standard 2.MD.9.

2.MD.10. Draw a picture graph and a bar graph (with single-unit scale) to represent a data set with up to four categories. Solve simple put-together, take-apart, and compare problems using information presented in a bar graph. 11
Suggested Titles for Common Core Mathematics State Standard 2.MD.10.

CC.2.G. Geometry

2.G.1. Recognize and draw shapes having specified attributes, such as a given number of angles or a given number of equal faces. Identify triangles, quadrilaterals, pentagons, hexagons, and cubes. 55
Suggested Titles for Common Core Mathematics State Standard 2.G.1.

2.G.2. Partition a rectangle into rows and columns of same-size squares and count to find the total number of them. 4
Suggested Titles for Common Core Mathematics State Standard 2.G.2.

2.G.3. Partition circles and rectangles into two, three, or four equal shares, describe the shares using the words halves, thirds, half of, a third of, etc., and describe the whole as two halves, three thirds, four fourths. Recognize that equal shares of identical wholes need not have the same shape. 11
Suggested Titles for Common Core Mathematics State Standard 2.G.3.