Whole Number Operations Teaching Resources for 1st Grade
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Number Bonds Worksheets for Addition and Subtraction
Build addition and subtraction fact fluency with a differentiated number bonds worksheet pack that helps students develop strong part-part-whole understanding.
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Ten Frame Printable Templates
Use these printable ten frames in various math lessons to reinforce number sense and other essential skills.
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Adding and Subtracting with Strip Diagram Cut and Paste Worksheet
Practice adding and subtracting two-digit numbers using the strip diagram with this cut and paste 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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Find 20 Addition Strategy Task Cards
Practice finding 20 with this set of linking cube task cards.
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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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Hop on Number Lines - Worksheet Pack
Hop your way to addition mastery with a pack of two addition on a number line worksheets.
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Bump! Subtraction to 20 Board Game
Practice subtraction facts to 20 with a fun and engaging math game.
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Fall Math Worksheets - Addition to 99
Celebrate the coming of Fall and practice adding 2-digit numbers up to 99 with a set of four Fall color-by-number worksheets.
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Addition and Subtraction Within 20 Teaching Presentation
Introduce early addition and subtraction strategies to your students with this teaching presentation.
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Word Problem Task Cards: Addition and Subtraction Within 10
Practice addition and subtraction within 10 with this set of 18 word problem task cards.
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Addition and Subtraction Word Problems - Teaching Slides
Introduce addition and subtraction word problems with this clear, interactive teaching slide deck.
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Rearranging Parts – Worksheet
Rearrange the parts of an addition problem to form new number sentences with this worksheet.
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Color by Number Addition and Subtraction Worksheets
Combine math and art with our color by number addition and subtraction worksheets that feature problems with solutions up to 20.
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Double Facts Math Charts - Addition Rhyme Posters
Help your students remember their doubles facts to twenty with a set of printable double facts addition rhyme posters.
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Simple Addition Riddle Worksheet
Download this addition and subtraction riddles pack to give your students fun, meaningful practice with one‑ and two‑digit addition and subtraction.
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Making Ten Activity
Practice making 10 using objects, pictorial models, and number sentences with this activity mat.
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Math Graphic Organizers - Printable Work Mats
Practice working on specific math concepts with our set of 5 printable math graphic organizers.
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Addition and Subtraction Mat - Apple Tree
Solve addition and subtraction problems up to 10 with a hands-on apple math center.
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Doubles Plus One - Worksheet
Practice the doubles plus one addition strategy with this one-page worksheet.
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Addition to 10 Modeling Mats
Familiarize students with adding single-digit numbers using this set of practice mats.
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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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Addition Practice Worksheets
Support student fluency with addition practice worksheets that build confidence with addition facts from 0–20 through fun, varied, and engaging tasks.
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Subtract From 10 Board Game
Have a “blast” with this space-themed “Subtract From 10” board game that gives your students the practice they need with tens subtraction facts.
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Adding Numbers Game Board: Making Ten Board Game
Introduce this Adding Numbers Game Board: Making Ten board game to your students to give them the practice using the “make a ten” addition strategy.
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Money Word Problems Addition and Subtraction Worksheet Set
Use our money word problems addition and subtraction worksheet set to give your students differentiated practice modeling a variety of one and two-digit word problems.
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Modeling Addition Word Problem Worksheets
Encourage modeling with these addition word problem worksheets that provide practice with real-world addition scenarios.
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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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Addition Strategies to 20 Work Mat
Practice using a variety of addition strategies to add numbers up to 20.
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Addition within 20 Interactive Resource
Practice solving one-digit and two-digit addition problems using a variety of addition strategies with this interactive activity.
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Addition Strategies Cheat Sheet
Help students understand the different addition strategies with this helpful cheat sheet.