1
Build number sense
Start with addition, subtraction, teen numbers, and place value so students see how quantities can be composed and decomposed.
Full 1st Grade Math
Knowledge Points & Study Guide
The full 1st Grade Common Core knowledge-point list. Free printable practice, downloadable PDF checklist, and Socratic missions β covering every CCSS standard for this grade.
Tip: every topic guide below is printer-friendly β open a guide and choose "Print β Save as PDF" to generate a free worksheet.
Handbook Learning Route
Use this handbook to cover the full 1st Grade skill map
Grade 1 math should move children from counting one object at a time to seeing numbers as parts, tens, and relationships. The goal is not faster tapping; it is number sense that can explain addition, subtraction, place value, measurement, and shapes.
High-intent searches supported
1st grade math games online free 1st grade addition games addition and subtraction within 20 place value games for 1st grade 1st grade math practice no sign up first grade shapes and measurement games
2
Connect operations
Use inverse operations and adding tens to show that facts are related patterns, not isolated answers.
3
Apply to objects
Measurement, shape attributes, and early fractions help students describe the real world with precise math language.
1st Grade Knowledge Points
12 Topics Β· Common Core Aligned- β01
Addition
1.OA.A.1Understanding addition as putting together and adding to, within 20, with a focus on the "make 10" strategy.
Add Plus Sum Total Together Make 10 - βοΈ02
Comparing Numbers (Greater Than, Less Than)
1.NBT.B.3Comparing two-digit numbers using the symbols >, <, and =.
Greater Than Less Than Equal To Balance - π03
Fractions (Halves & Quarters)
1.G.A.3Partition circles and rectangles into two and four equal shares β halves and quarters as the first fraction concept.
Half Quarter Fourth Equal Share Whole Partition - π04
Indirect Length Comparison
1.MD.A.1Compare the lengths of two objects indirectly by using a third object β the transitivity of length.
Indirect Comparison Third Object Transitivity Reference Longer Shorter - π05
Inverse Operations & Fact Families
1.OA.B.4Understand subtraction as an unknown-addend problem β addition and subtraction are two views of the same fact.
Fact Family Inverse Unknown Addend Missing Number Undo - π06
Measurement & Length
1.MD.A.1Ordering and comparing objects by length, using the "same starting line" rule.
Longer Shorter Order Compare Endpoint - π07
Place Value (Tens and Ones)
1.NBT.B.2Understanding that two-digit numbers are built from tens and ones β the power of grouping by 10.
Tens Ones Digit Value Bundle Base-10 - πΊ08
Shape Attributes (Defining vs Non-defining)
1.G.A.1Distinguish defining attributes (sides, vertices, closed) from non-defining attributes (color, size, orientation).
Defining Attribute Non-defining Attribute Side Vertex Orientation - π·09
Shapes (Recognize & Compose)
1.G.A.2Recognizing 2D shapes by defining attributes, and composing larger shapes from smaller ones.
Triangle Square Rectangle Circle Hexagon Side Vertex Compose - β10
Subtraction
1.OA.A.1Understanding subtraction as taking from, taking apart, and comparing β within 20.
Subtract Minus Difference Left Over Take Away - 1οΈβ£11
Teen Numbers (11-19)
1.NBT.B.2Compose and decompose teen numbers (11β19) as 1 ten and a number of ones.
Teen Eleven Compose Decompose Ten and Ones - π12
Adding Multiples of 10
1.NBT.C.4Add multiples of 10 within 100 β when you add tens, the ones digit never changes.
Tens Bundle Multiple of 10 Ten More Skip Count
All guides are free Β· No login required Β· Printable on any device