Math standards
1st Grade Math Standards
All 21 1st grade Common Core math standards, grouped by area. Each page has a detailed description of the standard, an instructional video, sample questions, and curriculum-specific guidance.
Numbers & Place Value
- 1.NBT.A.1Count to 120, starting at any numberSee guide
- 1.NBT.B.2Understand that the two digits of a two-digit number represent amounts of tens and onesSee guide
- 1.NBT.B.3Compare two two-digit numbersSee guide
- 1.NBT.C.4Add within 100See guide
- 1.NBT.C.5Given a two-digit number, mentally find 10 more or 10 lessSee guide
- 1.NBT.C.6Subtract multiples of 10 in the range 10-90See guide
Problem Solving
- 1.OA.A.1Use addition and subtraction within 20 to solve word problemsSee guide
- 1.OA.A.2Solve word problems that call for addition of three whole numbersSee guide
- 1.OA.B.3Apply properties of operations as strategiesSee guide
- 1.OA.B.4Understand subtraction as an unknown-addend problemSee guide
- 1.OA.C.5Relate counting to addition and subtractionSee guide
- 1.OA.C.6Add and subtract within 20See guide
- 1.OA.D.7Understand the meaning of the equal signSee guide
- 1.OA.D.8Determine the unknown whole number in an addition or subtraction equationSee guide
Measurement & Data
Geometry
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