Digital deck · 1st Grade · 30 questions
Subtraction Word Problems to 20 Digital Activity | 1st Grade
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Subtraction Word Problems to 20 for 1st grade: 30 question slides with a type-in answer box, plus an answer key slide.
What’s inside this download
- 30 question slides, one question per slide
- A type-in answer box on every question
- A title slide and an answer key slide at the end
- One .pptx file — opens in Google Slides and PowerPoint
Why choose this over a free activity
- Take-away stories with friendly names
- Numbers to 20
- Task cards, checks and a deck of take-away stories
- No printing — works on a laptop, tablet or classroom screen
License and file format
- One .pptx file; upload it to Google Drive to open it in Google Slides
- One teacher or one household. Use it with your own students, this year and next
- Sharing the file itself needs a separate license
- Digital download — nothing ships
How do I get the files?
- The download link is on the order page the moment you pay, and in your inbox at the same time
- Re-download from that link any time — no account needed
- Wrong or broken file? Email support@pencillane.com and we fix it or refund you
The problem
Zoe has 15 pencils and gives away 1
In a take-away story, the number we start with comes first, and the bigger number is not always the answer. Children grab both numbers and add.
Adding the two numbers
Zoe has 15 and gives away 1, so a child writes 16. Gives away means fewer.
Starting from the wrong number
Some start from the number given away and count up. The story begins with the larger group.
Counting back too far
For 17 - 7 children count back seven steps. Seeing that 7 is a part of 17 gets there faster.
Each problem is a short take-away story with a 'how many left' question. Children picture the group, cross out what leaves, write the number sentence and answer.
What’s inside
30 questions, one per slide.
Students type straight into the box — no printing, no cutting.
Subtraction Word Problems to 20
Written for 1st grade.
Title to answer key
A title slide first, the answer key last.
Google Slides & PowerPoint
One .pptx file that opens in both.
Look inside
One question per slide, with a box to type the answer.
How it works
Ready before the printer warms up.
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1
Download
Check out, and your download link is in your inbox and on screen in seconds. One PowerPoint file you can open in Google Slides.
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2
Open
Upload it to Google Drive and open it with Google Slides, or open it in PowerPoint.
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3
Assign
Share it with your class. Students type an answer on each slide, and you check against the key.
Outcomes
Solve subtraction word problems to 20
Start with the whole, take some away.
- Zoe has 15 pencils. Zoe gives away 1. How many are left?
- Mia has 17 beads. Mia gives away 7. How many are left?
- Leo has 8 beads. Leo gives away 4. How many are left?
- Ivy has 6 apples. Ivy gives away 4. How many are left?
- Zoe has 20 shells. Zoe gives away 9. How many are left?
- Mia has 9 marbles. Mia gives away 3. How many are left?
- Sam has 7 blocks. Sam gives away 3. How many are left?
Who it’s for
Built for the kitchen table and the classroom.
Parents & homeschool
Act it out with 15 pencils. Give away 1 and count what is left.
Teachers
Use in first grade after subtraction facts. A digital deck is included.
Problem-solving
A first step into take-away stories.
Questions
Before you buy.
Does it include comparing problems?
The stories here are take-away ones: gives away, how many left.
Is there a digital deck?
Yes. A Google Slides deck presents each take-away story on screen.
How do I get the file?
The download link appears right after checkout and lands in your inbox at the same time. One PowerPoint file you can open in Google Slides.
Can I share it with my class?
Yes — one teacher can use it with their own students, this year and next. Sharing the file with other teachers needs a separate license.
Do I need Google Slides?
No. The file is a PowerPoint (.pptx). It opens in PowerPoint, and in Google Slides once you upload it to Google Drive.
What if it isn’t right for us?
Email support@pencillane.com within 30 days and we refund the full $4.50. No form, no questions.
Picture it, then take away
Subtraction Word Problems to 20 for 1st grade, ready to assign.
Get it — $4.50