Description
Build a strong foundation in place value, counting, and number operations with this comprehensive First Grade Math Unit on Number & Operations in Base Ten! Designed to align with Common Core Standards (CCSS.MATH.CONTENT.1.NBT), this resource provides engaging lesson slides, guided notes, and independent practice worksheets to support student learning.
What’s Included?
✅ Lesson Slides – Interactive, easy-to-follow slides introducing place value, counting to 120, comparing numbers, and basic addition & subtraction strategies.
✅ Guided Notes – Student-friendly note pages that reinforce key concepts with visuals and practice problems.
✅ Worksheets for Independent Practice – Hands-on exercises covering number patterns, base-ten blocks, expanded form, and more!
Skills Covered:
Counting and writing numbers to 120
Understanding place value (tens & ones)
Comparing two-digit numbers using >, <, =
Adding and subtracting within 100 using place value strategies
Composing and decomposing numbers with base-ten blocks
Perfect for whole-group instruction, small-group interventions, or independent math centers, this unit provides everything you need to teach Number & Operations in Base Ten with confidence!
First Grade Math Unit: Number & Operations in Base Ten

Highlights
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Description
Build a strong foundation in place value, counting, and number operations with this comprehensive First Grade Math Unit on Number & Operations in Base Ten! Designed to align with Common Core Standards (CCSS.MATH.CONTENT.1.NBT), this resource provides engaging lesson slides, guided notes, and independent practice worksheets to support student learning.
What’s Included?
✅ Lesson Slides – Interactive, easy-to-follow slides introducing place value, counting to 120, comparing numbers, and basic addition & subtraction strategies.
✅ Guided Notes – Student-friendly note pages that reinforce key concepts with visuals and practice problems.
✅ Worksheets for Independent Practice – Hands-on exercises covering number patterns, base-ten blocks, expanded form, and more!
Skills Covered:
Counting and writing numbers to 120
Understanding place value (tens & ones)
Comparing two-digit numbers using >, <, =
Adding and subtracting within 100 using place value strategies
Composing and decomposing numbers with base-ten blocks
Perfect for whole-group instruction, small-group interventions, or independent math centers, this unit provides everything you need to teach Number & Operations in Base Ten with confidence!





