Digital Math for Kindergarten | Estimating Activities | Google Slides™

Kindergarten Digital Estimating Activities – Math for Google Slides™ | Ontario-Aligned

Looking for engaging, interactive estimating activities you can use for digital math centres, whole-group lessons, or distance learning?

This Google Slides™ estimating resource gives your students hands-on drag-and-drop practice building estimation skills and developing strong number sense.

Students learn what it means to estimate, explore multiple estimation strategies, and check their thinking by comparing estimates to actual quantities — all in an interactive, visual format that keeps them engaged.

 

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Perfect for:

✔ Whole-group teaching on the SMARTBoard or projector
✔ Digital math centres
✔ Google Classroom assignments
✔ Distance learning
✔ Hybrid classrooms

 

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What’s Included:

 

⭐ Let’s Learn About Estimating (Slides 1–3)

Introduce and teach:

• What estimating means
• What makes a “good” estimate
• Simple strategies students can use

👆 Use these slides for direct instruction before independent practice.

 

⭐ Estimate & Check (Slides 4–9)

Students practice estimating by:

• Counting a known set
• Using that information to estimate a larger set
• Checking their estimate by counting
• Reflecting on whether their estimate was close

 

⭐ Estimation Strategy: Remove a Set (Slide 10)

Teach students how to:

• Look at a smaller part of a group
• Use it to estimate the total

 

⭐ Move, Look & Estimate (Slides 11–15)

Students practice by:

• Dragging objects out of a set
• Using that visual to estimate the total
• Counting to check their thinking

 

⭐ Estimation Strategy: Compare Sets (Slide 16)

Teach students how to:

• Compare two known quantities
• Use that information to estimate a third

 

⭐ Compare & Estimate (Slides 17–21)

Students:

• Compare two sets
• Estimate a third set
• Count to check
• Reflect on their accuracy

 

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Why Teachers Love This Resource:

✔ Interactive and hands-on (drag-and-drop slides)
✔ Builds strong number sense and reasoning skills
✔ Clear, scaffolded progression of strategies
✔ Encourages math talk and reflection
✔ Easy to assign or project

 

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Tech Tips:

• Use in EDIT mode (not presentation mode) so students can move the pieces
• If assigning in Google Classroom, students will need the Google Slides app on tablets/iPads

 

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Try Before You Buy!

Not sure if this format works for you?

Grab my FREE Digital Math for Kindergarten | Tally Marks | Google Slides™ to try it for free first.

 

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Love this resource?

This digital unit is part of my:

⭐ Year-Long Digital Kindergarten Math Bundle

 

If you’re looking for a consistent, structured approach to teaching math all year long — with interactive digital lessons your students that keeps your students engaged — you’ll love the full bundle.