Add Three Numbers
Grade 1 math worksheet: Students add three whole numbers with sums within 20. — 10 problems. No answer key — none needed for this sheet. Add Three Numbers.
10 problems · Difficulty: easy
📝 No answer key included · ✅ Free for home & classroom use
Preview
The free PDF includes all 2 pages.
Highlights
- Grade
- Grade 1
- Subject
- Math
- Pages
- 2 · worksheet
- Answer key
- None — no key needed
- Quality
- ✓ Verified
- Class time
- about 15 min
What's inside
- 1. 1 + 1 + 1 = ___
- 2. 2 + 1 + 2 = ___
- 3. 3 + 2 + 1 = ___
- 4. Maya has 4 red apples, 3 green apples, and 2 yellow apples. How many apples does she have in all?
- 5. 5 + 5 + 3 = ___
- 6. Jake saw 6 birds, then 4 more birds, then 3 more birds. How many birds did he see altogether?
Showing 6 of 10 sections. The free PDF includes all 10 sections.
Grade 1 math worksheet: Students add three whole numbers with sums within 20.. 2 pages, 10 problems. No answer key — none needed for this sheet. Free printable PDF.
What’s included
- 10 problems across 2 pages
- Suggested use: morning work, classwork, homework, math centers, or sub plans
Answer keys
No answer key — none needed for this sheet.
Format
PDF, print-and-go.
Classroom use
One license per teacher: print as many copies as you need for your own students and share through your class platform. Please don’t post the files publicly. License details.
Quick answers
What does this worksheet cover?
Grade 1 Math — Students add three whole numbers with sums within 20..
How many problems are included?
10 problems.
Does it include an answer key?
No — no answer key is needed for this sheet.
Is this worksheet free?
Yes — it is a free printable PDF. Download it from the button above.
What format is the worksheet?
A printable PDF, 2 pages.
More grade 1 math worksheets
Addition Within 20
Comparing Two-Digit Numbers
Counting and Writing Numbers to 120
