1st Grade Math Worksheets, Lessons and Tests (Free PDF)
1st grade math builds number sense to 120: adding and subtracting within 20, word problems, place value with tens and ones, comparing two-digit numbers, measuring lengths with units, telling time to the half hour, and sorting shapes by their attributes.
1st Grade math chapters
3. Tens and Ones
Common Core 1.NBT.B.2a, 1.NBT.B.2b, 1.NBT.B.2c
5. Addition Within 20
Common Core 1.OA.A.1, 1.OA.B.3, 1.OA.C.6, 1.OA.C.5
6. Subtraction Within 20
Common Core 1.OA.A.1, 1.OA.B.4, 1.OA.C.6
7. The Equal Sign and Word Problems
Common Core 1.OA.A.2, 1.OA.D.7, 1.OA.D.8
8. Adding and Subtracting Tens Within 100
Common Core 1.NBT.C.4, 1.NBT.C.5, 1.NBT.C.6
10. Telling Time to the Hour and Half Hour
Common Core 1.MD.B.3
1st Grade math: common questions
What should a 1st grader know in math?
By the end of 1st grade, children add and subtract within 20, understand tens and ones, count to 120, compare two-digit numbers and tell time to the half hour.
How long are the 1st grade tests?
Each 1st grade test is short, about 30 minutes, with simple instructions and pictures a young child can follow.
Can parents use these worksheets at home?
Yes. Every lesson and worksheet prints on US Letter paper, and every worksheet has its solutions on a separate page.
Are the pages free?
Yes. All lessons, worksheets, tests, solutions and quizzes are free to read and to download as PDF.