CCSS.MATH.CONTENT.1.NBT.B.2
Understand that the two digits of a two-digit number represent amounts of tens and ones. Understand the following as special cases:
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Expanded Form Dominoes (2-Digit Numbers)
Use this set of dominoes when learning how to match 2-digit numbers written in standard form and expanded form.
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Number Hunt Description Cards
A set of 32 task cards that have students use their knowledge of place value to find specific numbers.
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Base-10 Flashcards - Numbers 1–120
A set of Base-10 flashcards for the numbers 1–120.
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Number Chart – 1-20
A bright number chart representing numbers 1-20.
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Active Learning Guide for Grades K-1 - Week 2
Use this weekly active learning guide to celebrate National Physical Fitness Month in your Kindergarten and Grade 1 classroom.
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Number Talks - Comparing Numbers Task Cards
Build number sense skills with this set of 24 task cards.
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Number Talks - Place Value Task Cards
Build number sense skills with this set of 32 place value task cards.
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3-Digit Number Forms Worksheet
Help students practice their knowledge of 3-digit numbers with this place value worksheet that covers base ten blocks, standard form, and expanded form.
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Place Value Work Mat
Practice place value concepts with this work mat for students.
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Flip, Draw, Expand! - Place Value Worksheet (2-Digit Numbers)
A worksheet to use when reviewing 2-digit place value.
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Place Value - Pennant Banner
A display banner that can be used to practice Place Value.
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Two-Digit Place Value Bingo Game (Digits and Base-10 Blocks)
32 bingo cards using place value up to 99.
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My 2-Digit Place Value Diary
A diary for students to make when showing their understanding of 2-digit place value.
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Numbers 1–30: Standard, Word, and Ten Frame Matchup Cards
A set of matchup cards to practice representing the numbers 1–30.
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2-Digit Number of the Day Worksheet
A 2-digit place value worksheet to represent the number of the day in different ways.
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Two-Digit Place Value Bingo Game (Digits and Craft Sticks)
32 bingo cards using place value to 99.
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100 Days of School Activity Book
A fun booklet of activities for students to complete on their 100th day of school.
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Interactive Base-10 Blocks
Explore an interactive base 10 block manipulator tool made for your elementary classroom! Teach place value, help students visualize problems, and more!
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Number Talks Teaching Resource Pack - Grade 1
A collection of number talks teaching resources that support meaningful and highly engaging conversations in the mathematics classroom.
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September Homeschool Resource Pack - Grade 1
A collection of age-appropriate, Grade 1 teaching resources and activities for homeschool parents to use with their children during the month of September.
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Exploring 2-Digit Place Value Unit Plan
This mathematics unit addresses a range of 2-digit place value number concepts involving identifying, sequencing, and representing.
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Assessment - Representing 2-Digit Numbers
An assessment task in which students will demonstrate an understanding of 2-digit place value.
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Decomposing and Expanding 2-Digit Numbers
A 60-minute lesson in which students will understand how 2-digit numbers can be decomposed.
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2-Digit Place Value
A 60-minute lesson in which students will understand that 2-digit numbers are made up of tens and ones.