The Common Core in Montana

MT.1.OA Operations and Algebraic Thinking

• MT.1.OA.1 Use addition and subtraction within 20 to solve of all types. This standard should incorporate cultural context relating to Montana Indigenous Peoples and local communities.

  • Addition word problems with pictures - sums up to 10 (1-H.1)
  • Write addition sentences for word problems with pictures - sums up to 10 (1-H.2)
  • Build cube trains to solve addition word problems - sums up to 10 (1-H.3)
  • Addition word problems - sums up to 10 (1-H.4)
  • Model and write addition sentences for word problems - sums up to 10 (1-H.5)
  • Addition sentences for word problems - sums up to 10 (1-H.6)
  • Subtraction word problems with pictures - up to 10 (1-L.1)
  • Write subtraction sentences for word problems with pictures - up to 10 (1-L.2)
  • Use cube trains to solve subtraction word problems - up to 10 (1-L.3)
  • Subtraction word problems - up to 10 (1-L.4)
  • Model and write subtraction sentences for word problems - up to 10 (1-L.5)
  • Subtraction sentences for "take apart" word problems - up to 10 (1-L.6)
  • Subtraction sentences for word problems - up to 10 (1-L.7)
  • Comparison word problems up to 10: how many more? (1-N.1)
  • Subtraction sentences for comparison word problems up to 10: how many more? (1-N.2)
  • Comparison word problems up to 10: how many fewer? (1-N.3)
  • Subtraction sentences for comparison word problems up to 10: how many fewer? (1-N.4)
  • Comparison word problems up to 10: how many more or fewer? (1-N.5)
  • Subtraction sentences for comparison word problems up to 10: how many more or fewer? (1-N.6)
  • Comparison word problems up to 10: what is the larger amount? (1-N.7)
  • Comparison word problems up to 10: what is the smaller amount? (1-N.8)
  • Comparison word problems up to 10 (1-N.9)
  • Addition and subtraction word problems with pictures - up to 10 (1-O.1)
  • Use cube trains to solve addition and subtraction word problems - up to 10 (1-O.2)
  • Word problems with unknown sums and differences - up to 10 (1-O.3)
  • Addition and subtraction sentences for word problems - up to 10 (1-O.4)
  • Word problems with change unknown - up to 10 (1-O.5)
  • Word problems with start unknown - up to 10 (1-O.6)
  • Word problems with one addend unknown - up to 10 (1-O.7)
  • Word problems with both addends unknown - up to 10 (1-O.8)
  • Word problems involving addition and subtraction - up to 10 (1-O.9)
  • Match word problems to addition and subtraction sentences - up to 10 (1-O.10)
  • Addition word problems with models - sums up to 20 (1-R.1)
  • Addition word problems - sums up to 20 (1-R.2)
  • Addition sentences for word problems - sums up to 20 (1-R.3)
  • Subtraction word problems with models - up to 20 (1-U.1)
  • Subtraction word problems - up to 20 (1-U.2)
  • Subtraction sentences for word problems - up to 20 (1-U.3)
  • Comparison word problems up to 20: how many more or fewer? (1-W.1)
  • Comparison word problems up to 20: what is the larger amount? (1-W.2)
  • Comparison word problems up to 20: what is the smaller amount? (1-W.3)
  • Comparison word problems up to 20: part 1 (1-W.4)
  • Comparison word problems up to 20: part 2 (1-W.5)
  • Write number sentences for comparison word problems - up to 20 (1-W.6)
  • Word problems with sum or difference unknown - up to 20 (1-X.1)
  • Addition and subtraction sentences for word problems - up to 20 (1-X.2)
  • Word problems with change unknown - up to 20 (1-X.3)
  • Write number sentences for word problems with change unknown - up to 20 (1-X.4)
  • Word problems with start unknown - up to 20 (1-X.5)
  • Write number sentences for word problems with start unknown - up to 20 (1-X.6)
  • Word problems with one addend unknown - up to 20 (1-X.7)
  • Write number sentences for word problems with one addend unknown - up to 20 (1-X.8)
  • Word problems with both addends unknown - up to 20 (1-X.9)
  • Use models to solve word problems involving addition and subtraction - up to 20 (1-X.10)
  • Word problems involving addition and subtraction without comparisons - up to 20 (1-X.11)
  • Write number sentences for word problems without comparisons - up to 20 (1-X.12)
  • Word problems involving addition and subtraction - up to 20 (1-X.13)
  • Write number sentences for word problems - up to 20 (1-X.14)
  • Match word problems to addition and subtraction sentences - up to 20 (1-X.15)

• MT.1.OA.2 Solve problems in context that call for addition of three whole numbers with a sum less than or equal to 20 in context of all types. This standard should incorporate cultural context relating to Montana Indigenous Peoples and local communities.

  • Add three numbers - word problems (1-R.4)

• MT.1.OA.3 Flexibly compose and decompose numbers to add and subtract.

  • Use ten frames to add (1-P.11)
  • Make ten to add (1-P.12)
  • Add three numbers - make ten (1-P.13)
  • Use ten frames to subtract (1-S.6)
  • Use ten to subtract (1-S.7)
  • Make a number using subtraction - up to 20 (1-T.14)

• MT.1.OA.4 Understand subtraction as an unknown-addend problem.

  • Complete the addition sentence to make ten - with models (1-F.3)
  • Complete the addition sentence to make ten (1-F.4)
  • Relate addition and subtraction sentences - up to 10 (1-J.3)
  • Use addition to subtract - up to 10 (1-J.4)
  • Relate addition and subtraction sentences - up to 20 (1-S.2)
  • Use addition to subtract - up to 20 (1-S.8)
  • Complete the addition sentence - sums up to 10 (1-Z.1)
  • Complete the addition sentence - sums up to 20 (1-Z.3)

• MT.1.OA.5 Relate counting to addition and subtraction.

  • Addition sentences using number lines - sums up to 10 (1-E.6)
  • Add by counting on - sums up to 10 (1-F.2)
  • Subtraction sentences using number lines - up to 10 (1-I.7)
  • Subtract by counting back - up to 10 (1-J.1)
  • Subtract by counting on - up to 10 (1-J.2)
  • Addition sentences using number lines - sums up to 20 (1-P.2)
  • Add by counting on - sums up to 20 (1-P.3)
  • Subtraction sentences using number lines - up to 20 (1-S.3)
  • Subtract by counting back - up to 20 (1-S.4)
  • Subtract by counting on - up to 20 (1-S.9)

• MT.1.OA.6 Flexibly, accurately, and efficiently add and subtract within 10.

  • Addition facts - sums up to 10 (1-G.1)
  • Take apart numbers in different ways - sums up to 10 (1-G.2)
  • Make a number using addition - sums up to 10 (1-G.3)
  • Ways to make a number - addition sentences up to 10 (1-G.4)
  • Subtraction facts - up to 10 (1-K.1)
  • Make a number using subtraction - up to 10 (1-K.2)
  • Ways to make a number - subtraction sentences up to 10 (1-K.3)
  • Ways to subtract from a number - subtraction sentences up to 10 (1-K.4)
  • Addition and subtraction facts - up to 10 (1-M.3)
  • Sort addition and subtraction facts - up to 10 (1-M.4)
  • Adding 1 (1-Q.1)
  • Adding 2 (1-Q.2)
  • Adding 3 (1-Q.3)
  • Adding 4 (1-Q.4)
  • Adding 5 (1-Q.5)
  • Adding 6 (1-Q.6)
  • Adding 7 (1-Q.7)
  • Adding 8 (1-Q.8)
  • Adding 9 (1-Q.9)
  • Adding 10 (1-Q.10)
  • Adding 0 (1-Q.11)
  • Subtracting 1 (1-T.1)
  • Subtracting 2 (1-T.2)
  • Subtracting 3 (1-T.3)
  • Subtracting 4 (1-T.4)
  • Subtracting 5 (1-T.5)
  • Subtracting 6 (1-T.6)
  • Subtracting 7 (1-T.7)
  • Subtracting 8 (1-T.8)
  • Subtracting 9 (1-T.9)
  • Subtracting 10 (1-T.10)
  • Subtracting 0 (1-T.11)

• MT.1.OA.7 Use multiple strategies to add and subtract within 20.

  • Add in any order (1-F.1)
  • Add by counting on - sums up to 10 (1-F.2)
  • Subtract zero and all (1-I.9)
  • Subtract by counting back - up to 10 (1-J.1)
  • Subtract by counting on - up to 10 (1-J.2)
  • Relate addition and subtraction sentences - up to 10 (1-J.3)
  • Use addition to subtract - up to 10 (1-J.4)
  • Fact families - up to 10 (1-M.1)
  • Add and subtract with 0 (1-M.2)
  • Related addition facts - sums up to 10 (1)
  • Related addition facts (1-P.1)
  • Add by counting on - sums up to 20 (1-P.3)
  • Add doubles - with models (1-P.4)
  • Add doubles (1-P.5)
  • Add using doubles plus one (1-P.7)
  • Add using doubles minus one (1-P.8)
  • Add near doubles (1-P.9)
  • Use ten frames to add (1-P.11)
  • Make ten to add (1-P.12)
  • Add three numbers - make ten (1-P.13)
  • Addition facts - sums up to 20 (1-Q.12)
  • Sort addition facts - sums up to 20 (1-Q.13)
  • Make a number using addition - sums up to 20 (1-Q.14)
  • Related subtraction facts (1-S.1)
  • Relate addition and subtraction sentences - up to 20 (1-S.2)
  • Subtract by counting back - up to 20 (1-S.4)
  • Subtracting to and from 10 (1-S.5)
  • Use ten frames to subtract (1-S.6)
  • Use ten to subtract (1-S.7)
  • Use addition to subtract - up to 20 (1-S.8)
  • Subtract by counting on - up to 20 (1-S.9)
  • Count on and use ten to subtract - up to 20 (1-S.10)
  • Subtract doubles (1-S.11)
  • Subtraction facts - up to 20 (1-T.12)
  • Sort subtraction facts - up to 20 (1-T.13)
  • Make a number using subtraction - up to 20 (1-T.14)
  • Addition and subtraction facts - up to 20 (1-V.1)
  • Addition and subtraction - ways to make a number (1-V.2)
  • Fact families - up to 20 (1)
  • Add doubles with models - sums up to 10 (1)
  • Add doubles - sums up to 10 (1)
  • Subtract doubles - up to 10 (1)

• MT.1.OA.8 Understand the meaning of the equal sign and determine if equations are true or false.

  • Addition and subtraction sentences to 10: which is true? (1-Y.1)
  • Which sign makes the number sentence true? - up to 10 (1-Y.2)
  • Addition sentences: true or false? (1-Y.3)
  • Addition sentences: which is true? (1-Y.4)
  • Subtraction sentences: true or false? (1-Y.5)
  • Subtraction sentences: which is true? (1-Y.6)
  • Addition and subtraction sentences to 20: which is true? (1-Y.7)
  • Which sign makes the number sentence true? (1-Y.8)
  • Complete addition and subtraction equations - up to 20 (1-Z.6)

• MT.1.OA.9 Determine the unknown number in an addition or subtraction equation relating to three numbers.

  • Complete the addition sentence to make ten - with models (1-F.3)
  • Complete the addition sentence to make ten (1-F.4)
  • Add doubles - complete the sentence (1-P.6)
  • Complete the addition sentence - sums up to 10 (1-Z.1)
  • Complete the subtraction sentence - up to 10 (1-Z.2)
  • Complete the addition sentence - sums up to 20 (1-Z.3)
  • Complete the subtraction sentence - up to 20 (1-Z.4)
  • Complete the addition or subtraction sentence - up to 20 (1-Z.5)

MT.1.NBT Number and Operations in Base Ten

• MT.1.NBT.1 Flexibly count, read, write, and represent numbers to 120.

  • Counting review - up to 10 (1-A.1)
  • Counting review - up to 20 (1-A.3)
  • Count on ten frames - up to 40 (1-A.4)
  • Count objects to 100 (1-A.5)
  • Count forward - up to 100 (1-A.6)
  • Number lines - up to 100 (1-A.8)
  • Count on the hundred chart (1-A.9)
  • Write the number you hear - up to 120 (1-B.1)
  • Count objects to 120 (1-B.2)
  • Count up to find the next number - up to 120 (1-B.3)
  • Count forward - up to 120 (1-B.5)
  • Number lines - up to 120 (1-B.6)
  • Count on a number chart - up to 120 (1-B.7)
  • Writing numbers in words - convert words to digits (1-B.9)
  • Writing numbers in words - convert digits to words (1-B.10)
  • Skip-count by fives (1-C.2)
  • Skip-count by tens (1-C.3)
  • Skip-count by tens - up to 120 (1-C.4)
  • Skip-count by twos, fives, and tens (1-C.5)
  • Count objects by tens and ones - up to 120 (1-C.14)

• MT.1.NBT.2 Understand that ten is a unit composed of ten ones and that a two-digit number represents tens and ones.

  • Make teen numbers: addition sentences (1)
  • Take apart teen numbers: addition sentences (1)
  • Make and take apart teen numbers: addition sentences (1)
  • Hundred chart (1-A.10)
  • Build and break apart teen numbers (1-AA.1)
  • Place value models up to 20 (1-AA.2)
  • Build and break apart multiples of ten (1-AA.3)
  • Build two-digit numbers (1-AA.4)
  • Build and break apart two-digit numbers - with models (1-AA.5)
  • Place value models for two-digit numbers (1-AA.6)
  • Build and break apart two-digit numbers - without models (1-AA.7)
  • Ways to make a number - tens and ones (1-AA.8)

• MT.1.NBT.3 Compare two two-digit numbers using comparison symbols >, =, and <.

  • Use place value to compare numbers up to 100 (1-BB.1)
  • Compare numbers up to 100 using symbols - with models (1-BB.3)
  • Compare numbers up to 100 using symbols (1-BB.5)

• MT.1.NBT.4 Build a foundation for addition within 100 by:

  • MT.1.NBT.4.a Adding two-digit to one-digit numbers.

    • Regroup tens and ones - ways to make a number (1-AA.9)
    • Regroup tens and ones (1-AA.10)
    • Use models to add a multiple of ten and a one-digit number (1-DD.1)
    • Add a multiple of ten and a one-digit number (1-DD.2)
    • Use models to add a two-digit and a one-digit number - without regrouping (1-DD.5)
    • Add a two-digit and a one-digit number - without regrouping (1-DD.6)
    • Add by counting on - sums to 100 (1-DD.7)
    • Use models to add a two-digit and a one-digit number - with regrouping (1-DD.10)
    • Add a two-digit and a one-digit number - with regrouping (1-DD.11)

  • MT.1.NBT.4.b Adding multiples of 10 to two-digit numbers.

    • Add multiples of ten (1-CC.3)
    • Use models to add a multiple of ten and a two-digit number (1-DD.3)
    • Add a multiple of ten and a two-digit number (1-DD.4)

• MT.1.NBT.5 Using place value, given a two-digit number, find 10 more or 10 less than the number.

  • Ten more or less (1-CC.1)
  • Add and subtract ten (1-CC.2)

• MT.1.NBT.6 Subtract multiples of 10 from a two-digit number.

MT.1.MD Measurement and Data

• MT.1.MD.1 Order three objects by length and compare the lengths of two objects indirectly by using a third object. This standard should incorporate cultural context relating to Montana Indigenous Peoples and local communities.

  • Compare objects: length and height (1-EE.1)
  • Order objects: length and height (1-EE.2)
  • Indirect comparison (1-EE.3)

• MT.1.MD.2 Express the length of an object as a whole number of length units. Understand that the measurement of an object is the number of same-size length units that span it with no gaps or overlaps.

  • Measure length with objects (1-EE.8)
  • Build cube trains to measure length (1-EE.9)

• MT.1.MD.3 Tell and write time in hours and half-hours using analog and digital clocks.

  • Match digital clocks and times (1-FF.1)
  • Match analog clocks and times with words: to the hour (1-FF.3)
  • Match analog clocks and times with words: to the half hour (1-FF.4)
  • Match analog clocks and times: to the half hour (1-FF.5)
  • Match analog and digital clocks: to the half hour (1-FF.6)
  • Read clocks and write times (1-FF.7)

• MT.1.MD.4 Identify the value of coins.

  • Names and values of common coins (1-HH.1)

• MT.1.MD.5 Organize, represent, and interpret data with up to three categories by:

  • MT.1.MD.5.a Asking and answering questions about the total number of data points.

    • Interpret picture graphs, tally charts, and tables - how many in all? (1)

  • MT.1.MD.5.b Identifying how many are in each category.

    • Which picture graph is correct? (1-II.1)
    • Make picture graphs with pictures (1-II.2)
    • Make picture graphs with symbols (1-II.4)
    • Which tally chart is correct? (1-II.6)
    • Record data in tables (1-II.8)
    • Interpret bar graphs: find the number in one category (1-II.12)
    • Which bar graph is correct? (1-II.14)
    • Count shapes in a Venn diagram (1-MM.1)
    • Sort shapes into a Venn diagram (1-MM.2)
    • Create bar graphs (1)

  • MT.1.MD.5.c Analyzing differences between categories.

    • Interpret picture graphs (1-II.3)
    • Interpret tally charts (1-II.7)
    • Interpret data in tables (1-II.9)
    • Interpret picture graphs, tally charts, and tables (1-II.11)
    • Interpret bar graphs (1-II.13)
    • Interpret bar graphs: how many more or fewer? (1)

MT.1.G Geometry

• MT.1.G.1 Distinguish between defining attributes versus nondefining attributes.

  • Select two-dimensional shapes (1-KK.1)
  • Name the two-dimensional shape (1-KK.2)
  • Count sides and corners (1-KK.4)
  • Compare sides and corners (1-KK.5)
  • Sort two-dimensional shapes (1-KK.6)
  • Square corners (1-KK.7)
  • Equal sides (1-KK.8)
  • Open and closed shapes (1-KK.9)
  • Attributes of two-dimensional shapes (1-KK.10)
  • Compare shapes using attributes (1-KK.11)
  • Name the two-dimensional shape and explain your answer (1-KK.12)
  • Two-dimensional and three-dimensional shapes (1-LL.1)
  • Cubes and rectangular prisms (1-LL.2)
  • Select three-dimensional shapes (1-LL.3)
  • Name the three-dimensional shape (1-LL.4)
  • Count vertices, edges, and faces (1-LL.5)
  • Compare vertices, edges, and faces (1-LL.6)
  • Identify faces of three-dimensional shapes (1-LL.7)
  • Identify shapes traced from solids (1-LL.8)
  • Attributes of three-dimensional shapes (1-LL.9)
  • Name the three-dimensional shape and explain your answer (1-LL.10)
  • Sort three-dimensional shapes (1-LL.11)

• MT.1.G.2 Build and draw shapes to possess defining attributes.

  • Draw polygons (1)

• MT.1.G.3 Compose new shapes using two- and three-dimensional shapes.

  • Compose two-dimensional shapes (1-KK.13)
  • Compose two-dimensional shapes: which shapes can you make? (1-KK.14)
  • Compose three-dimensional shapes (1-LL.12)
  • Compose bigger three-dimensional shapes (1-LL.13)

• MT.1.G.4 Partition circles and rectangles into two and four equal shares. Describe the shares using the words: halves, fourths, and quarters.

  • Equal parts - 2 and 4 equal parts (1-NN.1)
  • Identify halves (1-NN.3)
  • Identify fourths (1-NN.4)
  • Identify halves and fourths (1-NN.5)
  • Make halves (1-NN.6)
  • Make fourths (1-NN.7)
  • Make halves and fourths (1-NN.8)
  • Make halves and fourths in different ways (1-NN.9)
  • Compare halves and fourths (1-NN.10)