Subtract within 20 using pictures
Grade 1 math worksheet — 12 problems. Answer key included. First graders subtract within 20 by looking at pictures and crossing out the part taken away, then counting what is left. The first problem is a fully worked example that models the whole routine from picture to answer. The set ends with two picture models to compare and an explanation of why crossing out works.
12 problems
One-time purchase · yours to keep · answer key included
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✅ Answer key included
Preview
Preview shows a portion of the worksheet. The full PDF includes every problem plus the answer key.
Highlights
- Grade
- Grade 1
- Subject
- Math
- Pages
- 2 · worksheet + answer key
- Answer key
- ✅ Included
- Quality
- ✓ Verified
- Class time
- about 15 min
What's inside
Grade 1 math worksheet. 2 pages, 12 problems. Answer key included. Printable PDF, print-and-go.
What’s included
- 12 problems across 2 pages
- Suggested use: morning work, classwork, homework, math centers, or sub plans
Answer keys
Answer key included.
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.
How many problems are included?
12 problems.
Does it include an answer key?
Yes — an answer key is included.
How much does it cost?
$0.99 — a one-time purchase, yours to keep. No subscription.
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
