---
title: "Add three-digit numbers 1 | Grade 2 | Ilmiya Worksheets"
description: "Practice addition within one thousand in “Add three-digit numbers 1”, a Grade 2 worksheet with a separate teacher guide."
url: "https://ilmiya.com/activities/graded-summit-2-add-1/"
language: "en"
---
STEM
# Add three-digit numbers 1
Practice addition within one thousand in “Add three-digit numbers 1”, a Grade 2 worksheet with a separate teacher guide.
Grade 22 pagesPDF · A4Worksheet · English
## Skills & scope
Model regrouping ten ones as one ten and ten tens as one hundred. Do not require the written algorithm before the units have meaning.
- Addition within one thousand
## In the pack
- One focused learner page
- Separate teacher guide with responses and support
## Print & use
Teach the stated prerequisites first. Print the learner page separately from the teacher guide. Allow the models and methods described in the guide.
Every page prints in black and white on a plain white background.
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Use your existing Ilmiya school account. Every pack also includes separate page downloads.
### Download individual pages (2)
Each download contains one page from this worksheet pack.
- [Page 1](https://ilmiya.com/login/?activity=graded-summit-2-add-1)
- [Page 2](https://ilmiya.com/login/?activity=graded-summit-2-add-1)
## Keep exploring
[All Summit worksheets](https://ilmiya.com/activities/programs/summit/)
[SummitExplore the program](https://ilmiya.com/programs/summit/)
- [Fact Fluency](https://ilmiya.com/programs/catalog/fact-fluency/)
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