MathIsimple
Unit 1 of 6
1st Grade Math

Numbers to 120 &
Place Value

🔢 Master counting, reading, writing, and comparing numbers up to 120. Learn place value concepts with interactive tools and games!

4
Lessons
15+
Activities
~75 min
⭐
Beginner
4 Interactive LessonsHands-On ActivitiesProgress Tracking

Four Interactive Lessons

Each lesson builds upon the previous one, creating a comprehensive understanding of numbers and place value

Lesson 1-1: Counting Adventure 1-120

15-20 minutes

Learn to count from 1 to 120 with interactive games and visual aids. Master continuous counting and skip counting.

Skills You'll Learn:

Continuous counting
Skip counting
Number sequence
Counting objects

Interactive Features:

Interactive counting games
Visual number line
Object counting activities
Progress tracking

Lesson 1-2: Reading & Writing Numbers

20-25 minutes

Master reading and writing numbers up to 120. Learn number names, place value positions, and proper number formation.

Skills You'll Learn:

Number reading
Number writing
Place value positions
Number names

Interactive Features:

Interactive number cards
Writing practice tools
Place value visualization
Audio pronunciation

Lesson 1-3: Place Value Concepts

25-30 minutes

Understand place value with tens and ones. Learn how two-digit numbers are made up of tens and ones.

Skills You'll Learn:

Tens and ones
Place value blocks
Number composition
Decomposition

Interactive Features:

Virtual place value blocks
Interactive base-10 tools
Number composition games
Visual demonstrations

Lesson 1-4: Comparing Two-Digit Numbers

20-25 minutes

Learn to compare two-digit numbers using greater than, less than, and equal to symbols.

Skills You'll Learn:

Number comparison
Greater than
Less than
Equal to

Interactive Features:

Interactive comparison tools
Visual number scales
Comparison games
Symbol recognition

Practice Worksheets

Reinforce your learning with printable and interactive worksheets. Available in both basic and advanced levels!

Basic Level

Foundation Practice

Build confidence with 20 fundamental questions covering counting, place value, and number comparison basics.

  • Multiple choice & fill-in-blank questions
  • Instant feedback & explanations
  • Printable PDF available
Advanced Level

Challenge Problems

Extend your thinking with 15 challenging problems involving multi-step reasoning and real-world applications.

  • Word problems & critical thinking
  • Detailed solution explanations
  • Printable PDF available

Unit Learning Roadmap

Follow this guided journey to build deep number sense step by step. Each milestone prepares learners for the next challenge.

Step 1

Launch Your Counting Adventure

Count forward, backward, and in skip patterns to 120.

Sets the foundation for every other lesson.
Step 2

Read & Write with Confidence

Link spoken number names to standard form and handwriting routines.

Supports story problems and data collection later in the year.
Step 3

Build Numbers with Tens & Ones

Compose and decompose numbers using base-ten blocks and place value charts.

Prepares students for addition/subtraction strategies in Unit 2.
Step 4

Compare & Reason

Use symbols to justify which number is greater, less, or equal and explain why.

Transitions into word problems and strategy selection in future units.

What You'll Master in This Unit

By the end of this unit, you'll have a solid foundation in number sense and place value

Count to 120

Count forward and backward from any number up to 120

Read & Write Numbers

Read and write numbers up to 120 in standard form

Understand Place Value

Understand that two-digit numbers represent tens and ones

Compare Numbers

Compare two two-digit numbers using symbols

Family & Teacher Guidance

We provide resources and strategies to help you support your child's learning at home and in the classroom.

Home Connections

Home Connections

  • Count collections at home—coins, crayons, or snacks—and record totals together.
  • Read numbers on calendars, price tags, or house numbers to reinforce recognition.
  • Create place value trays with cups labeled tens and ones for quick practice.
Math Conversation Starters

Math Conversation Starters

  • Ask, ‘How do you know which number is larger?’ to prompt reasoning.
  • Challenge your child to explain why 47 is different from 74 in their own words.
  • Play ‘What’s 10 more?’ or ‘10 less?’ while driving or walking.
Teacher & Caregiver Resources

Teacher & Caregiver Resources

  • Use our downloadable place value mats to model tens and ones in small groups.
  • Integrate quick exit tickets focusing on number comparisons to check understanding.
  • Leverage the built-in progress tracker to monitor growth across the unit.