Digital deck · 1st–2nd Grade · 30 questions
Comparing Numbers to 100 Digital Activity | 1st–2nd Grade
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Comparing Numbers to 100 for 1st to 2nd 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
- Includes reversed-digit and one- versus two-digit pairs
- Builds tens-first comparing
- Keys show the right symbol, so a ones-digit-first slip stands out
- 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
Why get the bundle
- Comparing to 100 benefits from many looks. Cards, games and a digital deck give children different ways to practice the tens-first habit.
The problem
Why is 39 less than 41 when 9 is bigger than 1?
With two-digit numbers, children can compare the wrong digits. Tens decide first, even when the ones look bigger.
Looking at ones first
In 39 and 41, the 9 beats the 1, so some children choose 39. Compare the tens digit first.
One digit versus two
4 and 83 are easy for a child who sees there are fewer digits. They get confused when the digits look similar, like 4 and 14.
Reversed digits
Pairs like 27 and 72 use the same digits. Children need place value, not just recognition, to compare them.
Every problem asks >, < or = for numbers up to 100. Children learn to compare tens, then ones if they match.
What’s inside
30 questions, one per slide.
Students type straight into the box — no printing, no cutting.
Comparing Numbers to 100
Written for 1st to 2nd 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
Compare two-digit numbers by tens first
Check the tens place, then the ones if you need to.
- 97 ? 28
- 32 ? 72
- 4 ? 8
- 43 ? 43
- 73 ? 34
- 47 ? 67
- 6 ? 84
Who it’s for
Built for the kitchen table and the classroom.
Parents & homeschool
Write two numbers on cards. Ask which has more tens. If the tens match, look at the ones. Make it a game with a deck of number cards.
Teachers
Fits a first or second grade place-value unit. Use as a check that students really use tens and ones.
Place-value support
Students who can read numbers but cannot compare them often need exactly this tens-first thinking.
Questions
Before you buy.
Are the numbers within 100?
Yes, one- and two-digit numbers appear together, so the child compares sizes, not just digit positions.
Is there an equal sign option?
Yes, all three symbols are offered each time, so a child must think rather than guess.
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.
Tens first, then ones
Comparing Numbers to 100 for 1st to 2nd grade, ready to assign.
Get it — $4.50