Kentucky Grade 3 math standards
The Grade 3 math outcomes we teach, in the standards's own words, with the lessons and practice pages for each. Pick an outcome code for the full list of lessons and printables.
Kentucky Academic Standards for Mathematics (2019).
KY.3.MD.1 Tell and write time to the nearest minute and measure elapsed time intervals in minutes. Solve word problems involving addition and subtraction of time intervals within and across the hour in minutes.
Practice: Measure It: Length, Time and Mass in the Real World workbook · Grade 3 Common Core Math: Geometry and Measurement · Grade 4 Common Core Math: Geometry and Measurement · Grade 4 Time and Measurement Word Problems (Common Core)
KY.3.MD.3.c Make observations from the graph about the question posed, including “how many more” and “how many less” questions.
Practice: Grade 3 Common Core Math: Data and Graphs · Grade 4 Common Core Math: Data and Graphs
KY.3.MD.4.b Generate measurement data by measuring lengths using rulers marked with halves and fourths of an inch.
Practice: Measure It: Length, Time and Mass in the Real World workbook
KY.3.MD.4.c Show the data by making a dot plot where the horizontal scale is marked off in appropriate units – whole numbers, halves, or quarters.
Practice: Measure It: Length, Time and Mass in the Real World workbook
KY.3.MD.5 Recognize area as an attribute of plane figures and understand concepts of area measurement.
Practice: Fence It, Fill It: Area and Perimeter workbook · Grade 3 Common Core Math: Geometry and Measurement
KY.3.MD.6 Measure areas by counting unit squares (square cm, square m, square in, square ft. and improvised units).
Practice: Fence It, Fill It: Area and Perimeter workbook · Grade 3 Common Core Math: Geometry and Measurement
KY.3.MD.7 Relate area to the operations of multiplication and addition.
Practice: Fence It, Fill It: Area and Perimeter workbook · Grade 4 Common Core Math: Geometry and Measurement · Grade 4 Time and Measurement Word Problems (Common Core)
KY.3.MD.8 Solve real world and mathematical problems involving perimeters of polygons.
Practice: Fence It, Fill It: Area and Perimeter workbook · Grade 3 Common Core Math: Patterns and Algebraic Thinking · Grade 3 Common Core Math: Geometry and Measurement · Grade 5 Common Core Math: Geometry and Measurement
KY.3.NBT.1 Use place value understanding to round whole numbers to the nearest 10 or 100.
KY.3.NBT.2 Fluently add and subtract within 1000 using strategies and algorithms based on place value, properties of operations and/or the relationship between addition and subtraction.
KY.3.NF.1 Understand a fraction 1/b as the quantity formed by 1 part when a whole is partitioned into b equal parts; understand a fraction a/b as the quantity formed by a parts of size 1/b.
Practice: Fair Shares: Fractions and Decimals workbook · Grade 3 Common Core Math: Number and Operations · Grade 4 Common Core Math: Number and Operations
KY.3.NF.2 Understand a fraction as a number on the number line; represent fractions on a number line.
Practice: Fair Shares: Fractions and Decimals workbook · Grade 4 Common Core Math: Number and Operations
KY.3.NF.3 Explain equivalence of fractions in special cases and compare fractions by reasoning about their size.
Practice: Fair Shares: Fractions and Decimals workbook · Grade 3 Common Core Math: Number and Operations
KY.3.OA.1 Interpret and demonstrate products of whole numbers.
KY.3.OA.2 Interpret and demonstrate whole-number quotients of whole numbers, where objects are partitioned into equal shares.
KY.3.OA.3 Use multiplication and division within 100 to solve word problems in situations involving equal groups, arrays and measurement quantities, by using drawings and equations with a symbol for the unknown number to represent the problem.
Practice: Grade 3 Common Core Math: Number and Operations · Grade 4 Common Core Math: Number and Operations
KY.3.OA.4 Determine the unknown whole number in a multiplication or division equation relating three whole numbers.
Practice: Grade 3 Common Core Math: Patterns and Algebraic Thinking · Grade 4 Common Core Math: Patterns and Algebraic Thinking · Grade 4 Common Core Math: Number and Operations
KY.3.OA.5 Apply properties of operations as strategies to multiply and divide.
Practice: Grade 3 Common Core Math: Patterns and Algebraic Thinking · Grade 3 Common Core Math: Number and Operations
KY.3.OA.6 Understand division as an unknown-factor problem.
KY.3.OA.7 Fluently multiply and divide within 100, using strategies such as the relationship between multiplication and division or properties of operations.
Practice: Grade 3 Common Core Math: Number and Operations · Grade 4 Common Core Math: Number and Operations · Grade 5 Common Core Math: Number and Operations
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