Missouri

2.NBT Number Sense and Operations in Base Ten

• 2.NBT.A Understand place value of three digit numbers.

  • 2.NBT.A.1 Understand three-digit numbers are composed of hundreds, tens and ones.

    • Place value models - up to hundreds (2-M.2)
    • Identify a digit up to the hundreds place (2-M.4)
    • Place value - up to hundreds (2-M.6)
    • Convert to/from a number - up to hundreds (2-M.11)

  • 2.NBT.A.2 Understand that 100 can be thought of as 10 tens – called a "hundred".

  • 2.NBT.A.3 Count within 1000 by 1s, 10s and 100s starting with any number.

    • Skip-counting by fives and tens (2-A.4)
    • Count forward and backward by fives and tens (2-A.8)
    • Count forward - up to 1,000 (2-A.14)
    • Count forward by tens - up to 1,000 (2-A.15)
    • Count forward and backward by fives, tens, and hundreds (2-A.16)

  • 2.NBT.A.4 Read and write numbers to 1000 using number names, base-ten numerals and expanded form.

    • Spell word names for numbers up to 20 (2-C.2)
    • Writing numbers up to 100 in words - convert words to digits (2-C.3)
    • Writing numbers up to 100 in words - convert digits to words (2-C.4)
    • Writing numbers up to 1,000 in words - convert words to digits (2-C.5)
    • Writing numbers up to 1,000 in words - convert digits to words (2-C.6)
    • Convert from expanded form - up to hundreds (2-M.14)

  • 2.NBT.A.5 Compare two three-digit numbers using the symbols >, = or <.

    • Comparing numbers up to 1,000 (2-B.2)

• 2.NBT.B Use place value understanding and properties of operations to add and subtract.

  • 2.NBT.B.6 Demonstrate fluency with addition and subtraction within 100.

    • Add multiples of 10 (2-G.1)
    • Use models to add a two-digit and a one-digit number - without regrouping (2-G.3)
    • Use models to add a two-digit and a one-digit number - with regrouping (2-G.4)
    • Add a two-digit and a one-digit number - without regrouping (2-G.5)
    • Add a two-digit and a one-digit number - with regrouping (2-G.6)
    • Break apart a one-digit number to add (2-G.)
    • Use models to add two-digit numbers - without regrouping (2-G.7)
    • Use models to add two-digit numbers - with regrouping (2-G.8)
    • Add two-digit numbers without regrouping - sums to 100 (2-G.9)
    • Add two-digit numbers with regrouping - sums to 100 (2-G.10)
    • Break apart a two-digit number to add (2-G.)
    • Use compensation to add - up to two digits (2-G.12)
    • Ways to make a number using addition (2-G.14)
    • Complete the addition sentence - up to two digits (2-G.16)
    • Subtract multiples of 10 (2-H.1)
    • Use models to subtract a one-digit number from a two-digit number - without regrouping (2-H.3)
    • Subtract a one-digit number from a two-digit number - without regrouping (2-H.4)
    • Use models to subtract a one-digit number from a two-digit number - with regrouping (2-H.5)
    • Subtract a one-digit number from a two-digit number - with regrouping (2-H.6)
    • Break apart a one-digit number to subtract (2-H.)
    • Use models to subtract two-digit numbers - without regrouping (2-H.7)
    • Subtract two-digit numbers - without regrouping (2-H.8)
    • Use models to subtract two-digit numbers - with regrouping (2-H.9)
    • Subtract two-digit numbers - with regrouping (2-H.10)
    • Break apart a two-digit number to subtract (2-H.)
    • Use compensation to subtract - up to two digits (2-H.11)
    • Ways to make a number using subtraction (2-H.13)
    • Complete the subtraction sentence - up to two digits (2-H.15)
    • Add and subtract numbers - up to 100 (2-L.9)
    • Ways to make a number using addition and subtraction - up to 100 (2-L.10)
    • Which sign (+ or -) makes the number sentence true? (2-L.17)

  • 2.NBT.B.7 Add up to four two-digit numbers.

    • Add three numbers up to two digits each (2-G.19)
    • Add four numbers up to two digits each (2-G.21)

  • 2.NBT.B.8 Add or subtract within 1000, and justify the solution.

    • Add two-digit numbers - sums to 200 (2-G.11)
    • Add multiples of 100 (2-I.1)
    • Add multiples of 10 or 100 (2-I.2)
    • Use models to add three-digit numbers - without regrouping (2-I.3)
    • Use models to add three-digit numbers - with regrouping (2-I.4)
    • Addition with three-digit numbers (2-I.5)
    • Use compensation to add - up to three digits (2-I.6)
    • Addition word problems - up to three digits (2-I.7)
    • Complete the addition sentence - up to three digits (2-I.8)
    • Subtract multiples of 100 (2-J.1)
    • Subtract multiples of 10 or 100 (2-J.2)
    • Use models to subtract from three-digit numbers - without regrouping (2-J.3)
    • Use models to subtract from three-digit numbers - with regrouping (2-J.4)
    • Subtract across zeros (2-J.5)
    • Subtract from three-digit numbers (2-J.6)
    • Use compensation to subtract - up to three digits (2-J.7)
    • Subtraction word problems - up to three digits (2-J.8)
    • Complete the subtraction sentence - up to three digits (2-J.9)
    • Add and subtract numbers up to 1,000 (2-L.20)
    • Regroup tens and ones - ways to make a number (2-M.9)
    • Regroup tens and ones (2-M.10)

  • 2.NBT.B.9 Use the relationship between addition and subtraction to solve problems.

    • Complete the addition sentence - sums to 20 (2-E.18)
    • Complete the subtraction sentence - up to 18 (2-F.14)
    • Complete the addition sentence - up to two digits (2-G.16)
    • Complete the subtraction sentence - up to two digits (2-H.15)
    • Complete the addition sentence - up to three digits (2-I.8)
    • Complete the subtraction sentence - up to three digits (2-J.9)

  • 2.NBT.B.10 Add or subtract mentally 10 or 100 to or from a given number within 1000.

    • Input/output tables - add and subtract by 100 (2-L.15)
    • Input/output tables - add and subtract by 10 or 100 (2-L.16)

• 2.NBT.C Represent and solve problems involving addition and subtraction.

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

    • Write addition sentences to describe pictures - sums to 10 (2-E.4)
    • Write addition sentences to describe pictures - sums to 20 (2-E.7)
    • Addition word problems - sums to 20 (2-E.16)
    • Addition sentences for word problems - sums to 20 (2-E.17)
    • Addition word problems - three one-digit numbers (2-E.22)
    • Addition word problems - four or more one-digit numbers (2-E.24)
    • Write subtraction sentences - up to 10 (2-F.3)
    • Write subtraction sentences to describe pictures - up to 18 (2-F.6)
    • Subtraction word problems - up to 18 (2-F.12)
    • Subtraction sentences for word problems - up to 18 (2-F.13)
    • Write addition sentences to describe pictures (2-G.2)
    • Addition word problems - up to two digits (2-G.15)
    • Write the addition sentence - up to two digits (2-G.17)
    • Addition word problems - three numbers up to two digits each (2-G.20)
    • Addition word problems - four numbers up to two digits each (2-G.22)
    • Write subtraction sentences to describe pictures - up to two digits (2-H.2)
    • Subtraction word problems - up to two digits (2-H.14)
    • Write the subtraction sentence - up to two digits (2-H.16)
    • Addition and subtraction word problems - up to 20 (2-L.3)
    • Addition and subtraction word problems - up to 100 (2-L.11)
    • Two-step addition and subtraction word problems - up to 100 (2-L.12)

2.RA Relationships and Algebraic Thinking

• 2.RA.A Add and subtract within 20.

  • 2.RA.A.1 Demonstrate fluency with addition and subtraction within 20.

    • Add one-digit numbers - sums to 10 (2-E.1)
    • Ways to make a number with addition - sums to 10 (2-E.2)
    • Add one-digit numbers (2-E.9)
    • Add zero (2-E.11)
    • Add doubles (2-E.13)
    • Add doubles - complete the sentence (2-E.14)
    • Make ten to add (2-E.15)
    • Complete the addition sentence - sums to 20 (2-E.18)
    • Which addition sentence is true? (2-E.20)
    • Add three one-digit numbers (2-E.21)
    • Subtract one-digit numbers - up to 10 (2-F.1)
    • Ways to subtract - up to 10 (2-F.2)
    • Subtract doubles (2-F.4)
    • Subtract by counting back - up to 20 (2-F.)
    • Subtract by counting on - up to 20 (2-F.8)
    • Use ten to subtract (2-F.)
    • Subtract a one-digit number from a two-digit number up to 18 (2-F.9)
    • Subtract zero/all (2-F.11)
    • Complete the subtraction sentence - up to 18 (2-F.14)
    • Which subtraction sentence is true? (2-F.16)
    • Add in any order (2-K.)
    • Add and subtract numbers up to 20 (2-L.1)
    • Ways to make a number using addition and subtraction - up to 20 (2-L.2)
    • Which addition or subtraction sentence is true? (2-L.6)

• 2.RA.B Develop foundations for multiplication and division.

  • 2.RA.B.2 Determine if a set of objects has an odd or even number of members.

    • 2.RA.B.2.a Count by 2s to 100 starting with any even number.

      • Count forward and backward by twos, fives, and tens (2-A.9)

    • 2.RA.B.2.b Express even numbers as pairings/groups of 2, and write an expression to represent the number using addends of 2.

    • 2.RA.B.2.c Express even numbers as being composed of equal groups and write an expression to represent the number with 2 equal addends.

      • Add doubles using models (2-E.12)
      • Add doubles - complete the sentence (2-E.14)

  • 2.RA.B.3 Find the total number of objects arranged in a rectangular array with up to 5 rows and 5 columns, and write an equation to represent the total as a sum of equal addends.

    • Identify repeated addition in arrays - sums to 10 (2-E.25)
    • Write addition sentences for arrays - sums to 10 (2-E.26)
    • Identify repeated addition in arrays - sums to 25 (2-E.27)
    • Write addition sentences for arrays - sums to 25 (2-E.28)

2.GM Geometry and Measurement

• 2.GM.A Reason with shapes and their attributes.

  • 2.GM.A.1 Recognize and draw shapes having specified attributes, such as a given number of angles or sides.

    • 2.GM.A.1.a Identify triangles, quadrilaterals, pentagons, hexagons, circles and cubes.

      • Name the two-dimensional shape (2-T.1)
      • Select two-dimensional shapes (2-T.2)

    • 2.GM.A.1.b Identify the faces of three-dimensional objects.

      • Identify faces of three-dimensional shapes (2-U.6)
      • Identify shapes traced from solids (2-U.7)

  • 2.GM.A.2 Partition a rectangle into rows and columns of same-size squares and count to find the total number of squares.

    • Tile a rectangle with squares (2-V.3)
    • Area (2-V.4)

  • 2.GM.A.3 Partition circles and rectangles into two, three or four equal shares, and describe the shares and the whole.

    • 2.GM.A.3.a Demonstrate that equal shares of identical wholes need not have the same shape.

      • Equal parts (2-W.1)
      • Identify halves (2-W.2)
      • Identify thirds (2-W.3)
      • Identify fourths (2-W.4)
      • Identify halves, thirds, and fourths (2-W.5)
      • Make halves (2-W.6)
      • Make thirds (2-W.7)
      • Make fourths (2-W.8)
      • Make halves, thirds, and fourths (2-W.9)
      • Make halves, thirds, and fourths in different ways (2-W.10)
      • Identify a half, a third, and a fourth (2-W.)

• 2.GM.B Measure and estimate lengths in standard units.

  • 2.GM.B.4 Measure the length of an object by selecting and using appropriate tools.

    • Measure using an inch ruler (2-S.2)
    • Measure using a centimeter ruler (2-S.8)

  • 2.GM.B.5 Analyze the results of measuring the same object with different units.

    • Which customary unit of length is appropriate: inches, feet, or yards? (2-S.4)
    • Which metric unit of length is appropriate? (2-S.9)

  • 2.GM.B.6 Estimate lengths using units of inches, feet, yards, centimeters and meters.

    • Which customary unit of length is appropriate: inches or feet? (2-S.3)
    • Which metric unit of length is appropriate? (2-S.9)

  • 2.GM.B.7 Measure to determine how much longer one object is than another.

    • Customary units of length: word problems (2-S.5)
    • Metric units of length: word problems (2-S.10)

• 2.GM.C Relate addition and subtraction to length.

  • 2.GM.C.8 Use addition and subtraction within 100 to solve problems involving lengths that are given in the same units.

    • Customary units of length: word problems (2-S.5)
    • Compare lengths: customary units (2-S.)
    • Metric units of length: word problems (2-S.10)
    • Compare lengths: metric units (2-S.)

  • 2.GM.C.9 Represent whole numbers as lengths on a number line, and represent whole-number sums and differences within 100 on a number line.

    • Number lines - up to 100 (2-A.11)
    • Number lines - up to 1,000 (2-A.13)
    • Addition sentences using number lines - sums to 20 (2-E.8)
    • Subtraction sentences using number lines - up to 20 (2-F.7)

• 2.GM.D Work with time and money.

  • 2.GM.D.10 Tell and write time from analog and digital clocks to the nearest five minutes, using a.m. and p.m.

    • Match digital clocks and times (2-Q.1)
    • Match analog clocks and times (2-Q.2)
    • Match analog and digital clocks (2-Q.3)
    • Read clocks and write times: hour and half hour (2-Q.4)
    • Read clocks and write times (2-Q.5)
    • A.M. or P.M. (2-Q.7)

  • 2.GM.D.11 Describe a time shown on a digital clock as representing hours and minutes, and relate a time shown on a digital clock to the same time on an analog clock.

    • Match digital clocks and times (2-Q.1)
    • Match analog and digital clocks (2-Q.3)

  • 2.GM.D.12 Find the value of combinations of dollar bills, quarters, dimes, nickels and pennies, using $ and ¢ appropriately.

    • Names and values of common coins (2-P.1)
    • Count money - pennies, nickels, and dimes only (2-P.3)
    • Count money - up to $1 (2-P.4)
    • Count money - up to $5 (2-P.5)
    • Equivalent amounts of money - up to $1 (2-P.6)
    • Exchanging money - with pictures (2-P.7)
    • Comparing groups of coins (2-P.9)
    • Add money - up to $1 (2-P.10)
    • Add money - up to $1: word problems (2-P.11)
    • Subtract money - up to $1 (2-P.12)
    • Subtract money - up to $1: word problems (2-P.13)
    • Add and subtract money - up to $1 (2-P.14)
    • Add and subtract money - up to $1: word problems (2-P.15)
    • Purchases - do you have enough money - up to $1 (2-P.16)
    • Purchases - do you have enough money - up to $5 (2-P.17)
    • Which picture shows more - up to $5 (2-P.18)
    • Least number of coins (2-P.19)
    • How much more to make a dollar? (2-P.20)
    • Correct amount of change (2-P.21)
    • Making change (2-P.22)

  • 2.GM.D.13 Find combinations of coins that equal a given amount.

    • Equivalent amounts of money - up to $1 (2-P.6)
    • Exchanging money - with pictures (2-P.7)
    • Comparing groups of coins (2-P.9)

2.DS Data and Statistics

• 2.DS.A Represent and interpret data.

  • 2.DS.A.1 Create a line plot to represent a set of numeric data, given a horizontal scale marked in whole numbers.

    • Create line plots (2-R.10)

  • 2.DS.A.2 Generate measurement data to the nearest whole unit, and display the data in a line plot.

    • Create line plots (2-R.10)

  • 2.DS.A.3 Draw a picture graph or a bar graph to represent a data set with up to four categories.

    • Create bar graphs (2-R.8)
    • Create pictographs I (2-R.13)

  • 2.DS.A.4 Solve problems using information presented in line plots, picture graphs and bar graphs.

    • Interpret bar graphs II (2-R.6)
    • Which bar graph is correct? (2-R.7)
    • Interpret line plots (2-R.9)
    • Interpret pictographs I (2-R.11)

  • 2.DS.A.5 Draw conclusions from line plots, picture graphs and bar graphs.

    • Interpret bar graphs II (2-R.6)
    • Interpret line plots (2-R.9)
    • Interpret pictographs I (2-R.11)