Whole Number Operations Teaching Resources for 1st Grade
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Addition Strategy: Counting On – Worksheet
Practice the “counting on” addition strategy to solve addition problems to 20.
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Combinations of 10 and 20 Posters
Easily recognize combinations of 10 and combinations of 20 with this visual poster set.
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Hide-a-Turkey Kindergarten Math Worksheet
Hide the turkeys and practice sums to ten with a fun Thanksgiving math worksheet for Kindergarten.
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Halloween Addition Worksheet
Count on to solve spooky addition problems in this 2-page Halloween Addition Worksheet.
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Fact Families (+-) Interactive Activity
Use this fact family houses resource to teach and practice addition and subtraction fact families with your students.
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Part Part Whole — Hands-On Activity Mat
Use this hands-on addition and subtraction part part whole activity mat in your next guided math group lesson!
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Bridge to Ten Addition Strategy Task Cards
Help students quickly bridge to ten to assist with their addition strategies using linking cubes.
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Compensation Strategy Addition Mini Book
Use this mini-book to help your students learn how to use the compensation strategy to solve addition sums.
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Addition Pizza Near Doubles Task Cards
Practice quick recall of near doubles facts with this Addition Pizza task card activity.
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Subtraction Made Easy: Counting Back on a Number Line — Printable Poster
Provide your students with a daily reminder of the subtraction on a number line strategy with a printable anchor chart.
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Subtraction within 20 – Number Bond Worksheet
Practice subtraction strategies, including number bonds and picture models, with a printable subtraction worksheet.
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Pirate's Plunder - Number Line Subtraction Game
Practice using the jump strategy for subtraction from 20 with an exciting pirate-themed math game.
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Printable Blank Number Line - 0-120
Create personal number lines for use in math lessons with a printable blank number line template for numbers from 1-120.
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Making 10 – Worksheet
Practice the addition strategy of making ten with this math worksheet.
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Mental Math Addition Posters
Use this set of addition posters in your classroom when teaching different mental math strategies.
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Decorate a Pumpkin - Halloween Addition Game
Practice finding sums up to 12 with this fun Halloween Math Game!
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2-Digit + 1-Digit Numbers Addition Worksheet
Practice addition involving 2- and 1-digit numbers with this drill and practice worksheet.
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Addition Strategies: Base-Ten Blocks Worksheet
Practice using the strategy of using base-10 blocks and regrouping to find the sum.
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Number Talks - Fluency to 20 Task Cards
Build number sense skills with this set of 24 task cards.
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Number Talks - Balancing Equations Task Cards
Build number sense skills with this set of 40 task cards.
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Picture Addition Worksheet
A worksheet to practice the addition strategy of counting on.
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Doubles Plus One - Grid Game
Practice the doubles plus one addition strategy with this dice game.
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Doubles Plus One - Dice Roll Worksheet
Practice the doubles plus one addition strategy with this one-page worksheet.
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Doubles Minus One - Dice Roll Worksheet
Practice the doubles minus one addition strategy with this one-page worksheet.
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Doubles Plus 1 - Game Boards
30 game boards to use when practicing the doubles plus one strategy with single and double-digit numbers.
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Number Bonds Worksheet - Cut and Paste
Practice addition and subtraction up to twenty with a cut-and-paste number bond worksheet.
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Addition and Subtraction with Ten Frames Worksheet Pack
Practice adding and subtracting numbers to twenty using ten frames.
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Bump! Addition to 20 Game
Practice subtraction facts to 20 with a fun math game.
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Counting On and Counting Back Worksheets
Practice adding and subracting with this counting on and counting back worksheet pack.
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Word Problem Solving Mats
Use these 1st grade addition and subtraction solving mats to support students as they practice solving word problems.
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Addition Facts to 20 Strategy Posters
Reinforce addition facts to 20 with strategy posters that clearly teach mental strategies and build student confidence.
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Count on Facts Board Game: Counting On 1
Provide your early learners with this count on facts board game to engage them as they learn to add by counting on one.