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Common Core Math Video Lessons, Math Worksheets and Games for Grade 1

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The following lesson plans and worksheets are from the New York State Education Department Common Core-aligned educational resources. EngageNY/Eureka Math Worksheets for Grade 1.

The Lesson Plans and Worksheets are divided into six modules.

The focus areas of Grade 1 lesson plans and worksheets are:

**Operations and Algebraic Thinking**

- Represent and solve problems involving addition and subtraction.
- Understand and apply properties of operations and the relationship between addition and subtraction.
- Add and subtract within 20.
- Work with addition and subtraction equations.

**Number and Operations in Base Ten**

- Extend the counting sequence.
- Understand place value.
- Use place value understanding and properties of operations to add and subtract.

**Measurement Data**

- Measure lengths indirectly and by iterating length units.

**Grade 1 Homework, Lesson Plans and Worksheets**

Topics and Objectives (Module 1) |
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A. Embedded Numbers and DecompositionsStandard: 1.OA.6 Days: 3 Grade 1 Math Module 1 Overview Lesson 1: Analyze and describe embedded numbers (to 10) using 5-groups and number bonds. (Video Lesson) Lesson 2: Reason about embedded numbers in varied configurations using number bonds. (Video Lesson) (Number Bond 5 Worksheet) Lesson 3: See and describe numbers of objects using 1 more within 5-group configurations. (Video Lesson) |

B. Counting On from Embedded NumbersStandards: 1.OA.1, 1.OA.5, 1.OA.6 Days: 5 Grade 1 Topic B Module Overview Lesson 4, Lesson 5: Represent put together situations with number bonds. Count on from one embedded number or part to totals of 6 and 7 and generate all addition expressions for each total. (Video Lesson)Lesson 6, Lesson 7: Represent put together situations with number bonds. Count on from one embedded number or part to totals of 8 and 9 and generate all expressions for each total. (Video Lesson)Lesson 8: Represent all the number pairs of 10 as number bond diagrams from a given scenario and generate all expressions equal to 10. (Video Lesson) |

C. Addition Word ProblemsStandards: 1.OA.1, 1.OA.6, 1.OA.5 Days: 5 Grade 1 Topic C Module Overview Lesson 9: Solve add to with result unknown and put together with result unknown math stories by drawing, writing equations, and making statements of the solution. (Video Lesson)Lesson 10: Solve put together with result unknown math stories by drawing and using 5-group cards. (Video Lesson)Lesson 11: Solve add to with change unknown math stories as a context for counting on by drawing, writing equations, and making statements of the solution. (Video Lesson)Lesson 12: Solve add to with change unknown math stories using 5-group cards. (Video Lesson)Lesson 13: Tell put together with result unknown, add to with result unknown, and add to with change unknown stories from equations (Video Lesson). |

D. Strategies for Counting OnStandards: 1.OA.5, 1.OA.8, 1.OA.6 Days: 3 Grade 1 Topic D Module Overview Lesson 14, Lesson 15: Count on up to 3 more using numeral and 5-group cards and fingers to track the change. (Video Lesson)(Video Lesson) Lesson 16: Count on to find the unknown part in missing addend equations such as 6 + __ = 9. Answer, “How many more to make 6, 7, 8, 9, and 10?” (Video Lesson) |

E. The Commutative Property of Addition and the Equal SignStandards: 1.OA.3, 1.OA.7 Days: 4 Grade 1 Topic E Module Overview Lesson 17, Lesson 18: Understand the meaning of the equal sign by pairing equivalent expressions and constructing true number sentences. (Video Lesson) Lesson 19: Represent the same story scenario with addends repositioned (the commutative property). (Video Lesson) Lesson 20: Apply the commutative property to count on from a larger addend. (Video Lesson) |

F. Development of Addition Fluency Within 10Standards: 1.OA.3, 1.OA.6 Days: 4 Grade 1 Topic F Module Overview Lesson 21: Visualize and solve doubles and doubles plus 1 with 5-group cards. (Video Lesson) Lesson 22: Look for and make use of repeated reasoning on the addition chart by solving and analyzing problems with common addends. (Video Lesson) Lesson 23: Look for and make use of structure on the addition chart by looking for and coloring problems with the same total. (Video Lesson) Lesson 24: Practice to build fluency with facts to 10. (Video Lesson) |

Mid-Module Assessment: Topics A-F (assessment 1 day, return 1 day, remediation or further applications 1 day) Days: 3 |

G. Subtraction as an Unknown Addend ProblemStandards: 1.OA.1, 1.OA.4, 1.OA.5 Days: 3 Grade 1 Topic G Module Overview Lesson 25: Solve add to with change unknown math stories with addition and relate to subtraction. Model with materials and write corresponding number sentences. (Video Lesson)Lesson 26, Lesson 27: Count on using the number path to find an unknown part. (Video Lesson) |

H. Subtraction Word ProblemsStandards: 1.OA.1, 1.OA.4, 1.OA.5, 1.OA.8 Days: 5 Grade 1 Topic H Module Overview Lesson 28: Solve take from with result unknown math stories with math drawings, true number sentences and statements, using horizontal marks to cross off what is taken away. (Video Lesson)Lesson 29: Solve take apart with addend unknown math stories with math drawings, equations and statements, circling the known part to find the unknown. (Video Lesson)Lesson 30: Solve add to with change unknown math stories with drawings, relating addition and subtraction. (Video Lesson)Lesson 31: Solve take from with change unknown math stories with drawings. (Video Lesson)Lesson 32: Solve put together/take apart with addend unknown math stories. (Video Lesson) |

I. Decomposition Strategies for SubtractionStandards: 1.OA.5, 1.OA.6, 1.OA.4 Days: 5 Grade 1 Topic I Module Overview Lesson 33: Model 0 less and 1 less pictorially and as subtraction number sentences. (Video Lesson) Lesson 34: Model n - n and n - (n - 1) pictorially and as subtraction sentences. (Video Lesson) Lesson 35: Relate subtraction facts involving fives and doubles to corresponding decompositions. (Video Lesson) Lesson 36: Relate subtraction from ten to corresponding decompositions. (Video Lesson) Lesson 37: Relate subtraction from nine to corresponding decompositions. (Video Lesson) |

J. Development of Subtraction Fluency Within 10Standard: 1.OA.6 Days: 3 Grade 1 Topic J Module Overview Lesson 38: Look for and make use of repeated reasoning and structure using the addition chart to solve subtraction problems. (Video Lesson) Lesson 39: Analyze the addition chart to create sets of related addition and subtraction facts. (Video Lesson) |

End-of-Module Assessment: Topics A-J (assessment 1 day, return 1 day, remediation or further applications 1 day) Days: 3 |

Total Number of Instructional Days: 45 |

Topics and Objectives (Module 2) |
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A. Counting On or Making Ten to Solve Result Unknown and Total Unknown ProblemsStandard: 1.OA.1, 1.OA.2, 1.OA.3, 1.OA.6 Days: 11 Grade 1 Math Module 2 Overview Grade 1 Topic A Overview Lesson 1: Solve word problems with three addends, two of which make ten. (Video Lesson) Lesson 2: Use the associative and commutative properties to make ten with three addends. (Video Lesson) Lesson 3, Lesson 4: Make ten when one addend is 9. (Video Lesson) Lesson 5: Compare efficiency of counting on and making ten when one addend is 9. (Video Lesson) Lesson 6: Use the commutative property to make ten. (Video Lesson) Lesson 7, Lesson 8: Make ten when one addend is 8. (Video Lesson) Lesson 9: Compare efficiency of counting on and making ten when one addend is 8. (Video Lesson) Lesson 10: Solve problems with addends of 7, 8, and 9. (Video Lesson) Lesson 11: Share and critique peer solution strategies for put together with total unknown word problems. (Video Lesson) |

Mid-Module Assessment: Topic A (assessment 1 day, return 1 day, remediation or further applications 1 day) |

B. Counting On or Taking from Ten to Solve Result Unknown and Total Unknown ProblemsStandard: 1.OA.1, 1.OA.3, 1.OA.4, 1.OA.5, 1.OA.6, 1.OA.7 Days: 10 Grade 1 Topic B Overview Lesson 12, Lesson 13: Solve word problems with subtraction of 9 from 10. (Video Lesson) (Video Lesson) Lesson 14, Lesson 15: Model subtraction of 9 from teen numbers. (Video Lesson) (Video Lesson) Lesson 16: Relate counting on to making ten and taking from ten. (Video Lesson) Lesson 17, Lesson 18: Model subtraction of 8 from teen numbers. (Video Lesson) Lesson 19: Compare efficiency of counting on and taking from ten. (Video Lesson) Lesson 20: Subtract 7, 8, and 9 from teen numbers. (Video Lesson) Lesson 21: Share and critique peer solution strategies for take from with result unknown and take apart with addend unknown word problems from the teens. (Video Lesson) |

C. Strategies for Solving Change or Addend Unknown ProblemsStandard: 1.OA.1, 1.OA.3, 1.OA.4, 1.OA.5, 1.OA.6, 1.OA.7, 1.OA.8 Days: 4 Grade 1 Topic C Overview Lesson 22: Solve put together/take apart with addend unknown word problems and relate counting on to the take from ten strategy. (Video Lesson)Lesson 23:Solve add to with change unknown problems, relating varied addition and subtraction strategies. (Video Lesson)Lesson 24: Strategize to solve take from with change unknown problems. (Video Lesson)Lesson 25:Strategize and apply understanding of the equal sign to solve equivalent expressions. (Video Lesson) |

D. Varied Problems with Decompositions of Teen Numbers as 1 Ten and Some OnesStandard: 1.OA.1, 1.NBT.2a, 1.NBT.2b, 1.NBT.5 Days: 4 Grade 1 Topic D Overview Lesson 26: Identify 1 ten as a unit by renaming representations of 10. (Video Lesson) Lesson 27: Solve addition and subtraction problems decomposing and composing teen numbers as 1 ten and some ones. (Video Lesson) Lesson 28: Solve addition problems using ten as a unit, and write two-step solutions. (Video Lesson) Lesson 29: Solve subtraction problems using ten as a unit, and write two-step solutions. (Video Lesson) |

End-of-Module Assessment: Topics A-D (assessment 1 day, return 1 day, remediation or further applications 1 day) |

Total Number of Instructional Days: 35 |

Topics and Objectives (Module 3) |
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A. Indirect Comparison in Length MeasurementStandard: 1.MD.1 Days: 3 Grade 1 Math Module 3 Overview Grade 1 Topic A Overview Lesson 1: Compare length directly and consider importance of aligning endpoints. (Video Lesson) Lesson 2: Compare length using indirect comparison by finding objects longer than, shorter than, and equal in length to that of a string. (Video Lesson)Lesson 3: Order three lengths using indirect comparison. (Video Lesson) |

B. Standard Length UnitsStandard: 1.MD.1, 1.MD.2 Days: 3 Grade 1 Topic B Overview Lesson 4: Express the length of an object using centimeter cubes as length units to measure with no gaps or overlaps. (Video Lesson) Lesson 5: Rename and measure with centimeter cubes, using their standard unit name of centimeters. (Video Lesson) Lesson 6: Order, measure, and compare the length of objects before and after measuring with centimeter cubes, solving compare with difference unknown word problems. (Video Lesson) |

C. Non-Standard and Standard Length UnitsStandard: 1.OA.1, 1.MD.2 Days: 3 Grade 1 Topic C Overview Lesson 7: Measure the same objects from Topic B with different non-standard units simultaneously to see the need to measure with a consistent unit. (Video Lesson) Lesson 8: Understand the need to use the same units when comparing measurements with others. (Video Lesson) Lesson 9: Answer compare with difference unknown problems about lengths of two different objects measured in centimeters. (Video Lesson) |

Data InterpretationStandard: 1.OA.1, 1.MD.2, 1.MD.4 Days: 4 Grade 1 Topic D Overview Lesson 10, Lesson 11: Collect, sort, and organize data, then ask and answer questions about the number of data points. (Video Lesson) Lesson 12, Lesson 13: Ask and answer varied word problem types about a data set with three categories. (Video Lesson) |

End-of-Module Assessment: Topics A-D (assessment ½ day, return ½ day, remediation or further applications 1 day) |

Total Number of Instructional Days: 15 |

Topics and Objectives (Module 4) |
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A. Tens and OnesStandard: 1.NBT.1, 1.NBT.2, 1.NBT.5 Days: 6 Grade 1 Math Module 4 Overview Grade 1 Topic A Overview Lesson 1: Compare the efficiency of counting by ones and counting by tens. (Video Lesson) Lesson 2: Use the place value chart to record and name tens and ones within a two-digit number. (Video Lesson) Lesson 3: Interpret two-digit numbers as either tens and some ones or as all ones. (Video Lesson) Lesson 4: Write and interpret two-digit numbers as addition sentences that combine tens and ones. (Video Lesson) Lesson 5: Identify 10 more, 10 less, 1 more, and 1 less than a two-digit number. (Video Lesson) Lesson 6: Use dimes and pennies as representations of tens and ones. (Video Lesson) |

B. Comparison of Pairs of Two-Digit NumbersStandard: 1.NBT.3, 1.NBT.1, 1.NBT.2 Days: 4 Grade 1 Topic B Overview Lesson 7: Compare two quantities, and identify the greater or lesser of the two given numerals. (Video Lesson) Lesson 8: Compare quantities and numerals from left to right. (Video Lesson) Lesson 9, Lesson 10: Use the symbols >, =, and < to compare quantities and numerals. (Video Lesson) |

C. Addition and Subtraction of TensStandard: 1.NBT.2, 1.NBT.4, 1.NBT.6 Days: 2 Grade 1 Topic C Overview Lesson 11: Add and subtract tens from a multiple of 10. (Video Lesson) Lesson 12: Add tens to a two-digit number. (Video Lesson) |

Mid-Module Assessment: Topics A-C (assessment 1 day, return 1 day, remediation or further applications 1 day) |

D. Addition of Tens or Ones to a Two-Digit NumberStandard: 1.NBT.4 Days: 6 Grade 1 Topic D Overview Lesson 13, Lesson 14: Use counting on and the make ten strategy when adding across a ten. (Video Lesson) Lesson 15: Use single-digit sums to support solutions for analogous sums to 40. (Video Lesson) Lesson 16, Lesson 17: Add ones and ones or tens and tens. (Video Lesson) Lesson 18: Share and critique peer strategies for adding two-digit numbers. (Video Lesson) |

E. Varied Problem Types Within 20Standard: 1.OA.1 Days: 4 Grade 1 Topic E Overview Lesson 19: Use tape diagrams as representations to solve put together/take apart with total unknown and add to with result unknown word problems. (Video Lesson)Lesson 20, Lesson 21: Recognize and make use of part–whole relationships within tape diagrams when solving a variety of problem types. (Video Lesson) Lesson 22: Write word problems of varied types. (Video Lesson) |

F. Addition of Tens and Ones to a Two-Digit NumberStandard: 1.NBT.4 Days: 7 Grade 1 Topic F Overview Lesson 23: Interpret two-digit numbers as tens and ones including cases with more than 9 ones. (Video Lesson) Lesson 24, Lesson 25: Add a pair of two-digit numbers when the ones digits have a sum less than or equal to 10. (Video Lesson) Lesson 26, Lesson 27: Add a pair of two-digit numbers when the ones digits have a sum greater than 10. (Video Lesson) Lesson 28, Lesson 29: Add a pair of two-digit numbers with varied sums in the ones. (Video Lesson) |

End-of-Module Assessment: Topics D-F (assessment 1 day, return 1 day, remediation or further applications 1 day) |

Total Number of Instructional Days: 35 |

Topics and Objectives (Module 5) |
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A. Attributes of ShapesStandard: 1.G.1 Days: 3 Grade 1 Math Module 5 Overview Grade 1 Topic A Overview Lesson 1: Classify shapes based on defining attributes using examples, variants, and non-examples. (Video Lesson) Lesson 2: Find and name two-dimensional shapes including trapezoid, rhombus, and a square as a special rectangle, based on defining attributes of sides and corners. (Video Lesson) Lesson 3: Find and name three-dimensional shapes including cone and rectangular prism, based on defining attributes of faces and points. (Video Lesson) |

B. Part–Whole Relationships Within Composite ShapesStandard: 1.G.2 Days: 3 Grade 1 Topic B Overview Lesson 4: Create composite shapes from two-dimensional shapes. (Video Lesson) Lesson 5: Compose a new shape from composite shapes. (Video Lesson) Lesson 6: Create a composite shape from three-dimensional shapes and describe the composite shape using shape names and positions. (Video Lesson) |

C. Halves and Quarters of Rectangles and CirclesStandard: 1.G.3 Days: 3 Grade 1 Topic C Overview Lesson 7: Name and count shapes as parts of a whole, recognizing relative sizes of the parts. (Video Lesson) Lesson 8, Lesson 9: Partition shapes and identify halves and quarters of circles and rectangles. (Video Lesson) |

D. Application of Halves to Tell TimeStandard: 1.MD.3, 1.G.3 Days: 4 Grade 1 Topic D Overview Lesson 10: Construct a paper clock by partitioning a circle and tell time to the hour. (Video Lesson) Lesson 11, Lesson 12, Lesson 13: Recognize halves within a circular clock face and tell time to the half hour. (Video Lesson) |

End-of-Module Assessment: Topics A-D (assessment 1/2 day, return 1/2 day, remediation or further applications 1 day) |

Total Number of Instructional Days 15 |

Topics and Objectives (Module 6) |
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A. Comparison Word ProblemsStandard: 1.OA.1 Days: 2 Grade 1 Topic A Overview Lesson 1: Solve compare with difference unknown problem types. (Video Lesson)Lesson 2: Solve compare with bigger or smaller unknown problem types. (Video Lesson) |

B. Numbers to 120Standard: 1.NBT.1, 1.NBT.2a, 1.NBT.2c, 1.NBT.3, 1.NBT.5 Days: 7 Grade 1 Topic B Overview Lesson 3: Use the place value chart to record and name tens and ones within a two-digit number up to 100. (Video Lesson) Lesson 4: Write and interpret two-digit numbers to 100 as addition sentences that combine tens and ones. (Video Lesson) Lesson 5: Identify 10 more, 10 less, 1 more, and 1 less than a two-digit number within 100. (Video Lesson) Lesson 6:Use the symbols >, =, and < to compare quantities and numerals to 100. (Video Lesson) Lesson 7: Count and write numbers to 120. Use Hide Zero cards to relate numbers 0 to 20 to 100 to 120. (Video Lesson) Lesson 8: Count to 120 in unit form using only tens and ones. Represent numbers to 120 as tens and ones on the place value chart. (Video Lesson) Lesson 9: Represent up to 120 objects with a written numeral. (Video Lesson) |

C. Addition to 100 Using Place Value UnderstandingStandard: 1.NBT.4, 1.NBT.6 Days: 8 Grade 1 Topic C Overview Lesson 10: Add and subtract multiples of 10 from multiples of 10 to 100, including dimes. (Video Lesson) Lesson 11: Add a multiple of 10 to any two-digit number within 100. (Video Lesson) Lesson 12: Add a pair of two-digit numbers when the ones digits have a sum less than or equal to 10. (Video Lesson) Lesson 13, Lesson14: Add a pair of two-digit numbers when the ones digits have a sum greater than 10 using decomposition. (Video Lesson) Lesson 15: Add a pair of two-digit numbers when the ones digits have a sum greater than 10 with drawing. Record the total below. (Video Lesson) Lesson 16, Lesson 17: Add a pair of two-digit numbers when the ones digits have a sum greater than 10 with drawing. Record the new ten below. (Video Lesson) |

D. Varied Place Value Strategies for Addition to 100Standard: 1.NBT.4 Days: 2 Grade 1 Topic D Overview Lesson 18: Add a pair of two-digit numbers with varied sums in the ones, and compare results of different recording methods. (Video Lesson) Lesson 19: Solve and share strategies for adding two-digit numbers with varied sums. (Video Lesson) |

Mid-Module Assessment: Topics A-D (assessment 1 day, return 1 day, remediation or further applications 1 day) |

E. Coins and Their ValuesStandard: 1.MD.3 Days: 5 Grade 1 Topic E Overview Lesson 20: Identify pennies, nickels, and dimes by their image, name, or value. Decompose the values of nickels and dimes using pennies and nickels. (Video Lesson) Lesson 21: Identify quarters by their image, name, or value. Decompose the value of a quarter using pennies, nickels, and dimes. (Video Lesson) Lesson 22: Identify varied coins by their image, name, or value. Add one cent to the value of any coin. (Video Lesson) Lesson 23: Count on using pennies from any single coin. (Video Lesson) Lesson 24: Use dimes and pennies as representations of numbers to 120. (Video Lesson) |

F. Varied Problem Types Within 20Standard: 1.OA.1 Days: 3 Grade 1 Topic F Overview Lesson 25, Lesson 26: Solve compare with bigger or small unknown problem types. (Video Lesson)Lesson 27: Share and critique peer strategies for solving problems of varied types. (Video Lesson) |

End-of-Module Assessment: Topics E-F (assessment 1 day, return ½ day, remediation or further applications ½ day) |

G. Culminating ExperiencesDays: 3 Grade 1 Topic G Overview Lesson 28, Lesson 29: Celebrate progress in fluency with adding and subtracting within 10 (and 20). Organize engaging summer practice. Lesson 30: Create folder covers for work to be taken home illustrating the year’s learning. |

Total Number of Instructional Days: 35 |

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