Math · FluencyAddition Within 20
CCSS 1.OA.C.6
Addition Within 20
Build fluency with addition facts and strategies for sums within 20.
USA Grade 1 · Math & ELA
Free Printable Grade 1 Worksheets
Download free Grade 1 Math and ELA worksheets for classroom, homework, tutoring and homeschool learning. Explore focused Common Core skills with clear activities, printable PDFs and teacher answer keys.
✓ 100% Free✓ Free to Download✓ Answer Keys✓ US Letter Friendly
Ready-to-use learning practice
Grade 1 Worksheets for Essential Skills
These resources focus on one clear skill at a time, helping children build confidence without clutter. Open an individual resource page for teaching information, Common Core alignment and a worksheet preview—or download the PDF directly.
- Math · Problem SolvingWord Problems Within 20CCSS 1.OA.A.1
Addition & Subtraction Word Problems
Solve addition and subtraction word problems with numbers within 20.
- Math · Number SenseAdding Within 100CCSS 1.NBT.C.4
Adding Within 100
Practice adding two-digit numbers within 100 using place value.
- Math · Number SenseComparing Two-Digit NumbersCCSS 1.NBT.B.3
Comparing Two-Digit Numbers
Compare two-digit numbers using tens and ones place value.
- Math · MeasurementMeasuring & Comparing LengthsCCSS 1.MD.A.1
Measuring & Comparing Lengths
Order three objects by length and compare lengths indirectly.
- ELA · ConventionsCapitalization & End PunctuationCCSS L.1.2.A / L.1.2.B
Capitalization & End Punctuation
Practise capital letters at sentence start and correct end marks.
- ELA · GrammarComplete Sentences & Word OrderCCSS L.1.1.J
Complete Sentences & Word Order
Build complete sentences and arrange words in the correct order.
- ELA · PhonicsConsonant DigraphsCCSS RF.1.3.A
SH, CH, TH, WH Digraphs
Practise reading and spelling words with sh, ch, th and wh.
- ELA · ReadingHigh-Frequency Sight WordsCCSS RF.1.3.G
High-Frequency Sight Words
Build automatic recognition of high-frequency words for fluent reading.
- ELA · PhonicsLong Vowels Silent ECCSS RF.1.3.C
Long Vowels Silent E
Practise reading and spelling CVCe words with the silent-e pattern.
Why these Grade 1 worksheets work
One skill at a time
Each worksheet targets a single Common Core skill so students can focus and succeed.
Answer keys included
Every PDF includes a teacher answer key for quick checking in class or at home.
Print-ready PDFs
Designed for US Letter paper. Also print cleanly on A4 with Fit to printable area.
Frequently Asked Questions
Are these Grade 1 worksheets free?
Yes. Every worksheet in this collection is available as a free printable PDF .
Do the worksheets include answer keys?
Yes. The current Grade 1 Math and ELA worksheets include teacher answer keys.
Are the worksheets Common Core aligned?
Yes. Each individual resource page lists its relevant Common Core standard.
Can I print on US Letter paper?
Yes. Select Fit or Fit to printable area when printing. They also work on A4.