---
title: Counting & Number Sense to 100
created: '2026-05-26'
updated: '2026-05-26'
type: lesson_topic
subject: math
tags:
- math
- grade-2
- homeschool
- ccss
standard: 2.NBT.A, 2.OA.A
phase: 1
phase_name: "Number Sense & Foundations (Weeks 1\u20136)"
weeks:
- 1
source: ''
---
# Counting & Number Sense to 100
Second grade math topic covering counting & number sense to 100. Part of Phase 1 (Number Sense & Foundations (Weeks 1–6)).
## Key Concepts
Count by 1s, 5s, 10s, number words, hundreds chart
## Standards
2.NBT.A, 2.OA.A
---
*Generated from curriculum data* ^[[raw/curriculum/math]]