1st Grade Math Common Core Worksheets

Home › Common Core › 1st Grade Math Standards

About these standards

First grade math is about addition and subtraction within 20 and understanding tens and ones in numbers to 120. The biggest goal is fluency with facts within 10 by the end of the year. Good starting points are Addition Within 10 and Place Value: Tens and Ones; the next grade is 2nd Grade Math standards.

Operations and Algebraic Thinking

1.OA.A.1 Word Problems Within 20 4 worksheets
1.OA.A.2 Add Three Numbers in Word Problems 2 worksheets
1.OA.B.3 Properties of Addition 4 worksheets
1.OA.B.4 Subtraction as Unknown Addend 5 worksheets
1.OA.C.5 Counting to Add 3 worksheets
1.OA.C.6 Add and Subtract Within 20 16 worksheets
1.OA.D.7 Meaning of the Equal Sign 2 worksheets
1.OA.D.8 Find the Missing Number 5 worksheets

Number and Operations in Base Ten

1.NBT.A.1 Count to 120 7 worksheets
1.NBT.B.2 Tens and Ones 5 worksheets
1.NBT.B.3 Compare Two-Digit Numbers 3 worksheets
1.NBT.C.4 Add Within 100 3 worksheets
1.NBT.C.5 10 More and 10 Less 2 worksheets
1.NBT.C.6 Subtract Multiples of 10 1 worksheet

Measurement and Data

1.MD.A.1 Order by Length 1 worksheet
1.MD.B.3 Time to the Hour and Half Hour 1 worksheet

Kindergarten Math · 2nd Grade Math · 3rd Grade Math · 4th Grade Math · 5th Grade Math