1st Grade Math 1st Grade Math Want Full Access? Join The Many Satisfied MathTA Users! SIGN UP TODAY OR LOGIN Operations and Algebraic Thinking Operations and Algebraic Thinking START Number and Operations in Base Ten Number and Operations in Base Ten START Measurement and Data Measurement and Data START Geometry Geometry START Course Content Expand All 1st Grade: Operations & Algebraic Thinking (1.OA) 11 Topics Expand Lesson Content 0% Complete 0/11 Steps 1.OA.A.1 – Solve Addition/Subtraction Word Problems within 20 1.OA.A.2 – Solve Addition Word Problems within 20 1.OA.B.3 – Commutative Property of Addition 1.OA.B.3 – Associative Property of Addition 1.OA.B.4 – Understand Subtraction 1.OA.C.5 – Count by 2 1.OA.C.6 – Add within 20 1.OA.C.6 – Subtract within 20 1.OA.D.7 – Understanding Equal Sign 1.OA.D.8 – Determine unknown number in addition equation 1.OA.D.8 – Determine unknown number in subtraction equation 1st Grade: Number and Operations in Base Ten (1.NBT) 17 Topics Expand Lesson Content 0% Complete 0/17 Steps 1.NBT.A.1 – Count to 20 1.NBT.A.1 – Read and Write Numbers to 20 1.NBT.A.1 – Count to 120 1.NBT.A.1 – Read and Write Numbers to 120 1.NBT.B.2a – Understand ten as bundle of ones 1.NBT.B.2b – Decomposing tens and ones from 11 to 19 1.NBT.B.2b – Converting Numbers 11 to 19 to Standard Form or Word Form 1.NBT.B.2c – Decomposing tens and ones from 10 to 99 1.NBT.B.2c – Converting Numbers 10 to 99 to Standard Form or Word Form 1.NBT.B.3 – Compare Two-Digit Numbers 1.NBT.C.4 – Add Tens by One-Digit number 1.NBT.C.4 – Add Two-Digit number by multiple of ten 1.NBT.C.4 – Add Two-Digit number by One-Digit 1.NBT.C.5 – Add Two-Digit number by 10 1.NBT.C.5 – Subtract Two-Digit number by 10 1.NBT.C.6 – Subtract Two-Digit number by multiple of ten 1.NBT.7 – Identify Dimes and Pennies 1st Grade: Measurement and Data (1.MD) 5 Topics Expand Lesson Content 0% Complete 0/5 Steps 1.MD.A.1 – Compare Length of Objects 1.MD.A.2 – Measure Length of Objects 1.MD.B.3 – Tell Time to the Hour 1.MD.B.3 – Tell Time to Half Hour 1.MD.C.4 – Organize & Interpret Data 1st Grade: Geometry (1.G) 3 Topics Expand Lesson Content 0% Complete 0/3 Steps 1.G.A.1 – Identify Shapes 1.G.A.2 – Compose Shapes 1.G.A.3 – Partition Shapes
