Whole Number Operations Teaching Resources for 1st Grade
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Subtraction within 20 - Color by Number Worksheet
Reveal the mystery picture by solving the subtraction problems with a color-by-number worksheet.
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Sunflower Subtraction Strategies Interactive
Practice using the ten-frame subtraction strategy with a fun self-checking interactive activity.
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Subtraction Using Picture Models Worksheet
Practice subtracting numbers to 12 using 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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Subtraction Strategy Work Mats
Practice using a variety of subtraction strategies to solve problems with a set of printable subtraction work mats.
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Rainbow Number Fact Cards
Practice rainbow facts with these fun fact families to ten posters for your classroom!
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Subtraction Strategies Puzzle Match
Practice identifying and using different subtraction strategies with a set of printable math puzzles.
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Part-Part-Whole - Addition and Subtraction Teaching Slides
Teach your students how to effectively use a bar model to solve 1-digit addition and subtraction number facts using the part-part-whole strategy.
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Addition and Subtraction on a Number Line - Superhero Math Activity
Fly through addition and subtraction on a number line with an exciting Number Line Hero task card activity.
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Bunny Number Lines - Addition and Subtraction Task Cards
Hop down the number line with the Easter Bunny to practice addition and subtraction on a number line.
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Addition and Subtraction Fact Families Teaching Presentation
Use this 19-slide editable slide deck when introducing addition and subtraction fact families to your students.
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"Egg-cellent" Easter Addition Activity
Practice simple addition with this Easter math center.
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Secret Code Number Line - Worksheet
Crack the number line code with five number line codebreaker worksheets to practice number identification, addition, and subtraction.
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Basketball Mystery Grid - Addition to 20
Practice adding single-digit numbers up to twenty with a basketball-themed color-by-number worksheet.
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Rainbow Number Bonds - Math Game
Practice number bonds with this fun rainbow-themed hands-on activity.
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Friends of 10 - Addition Match-up Activity
A set of 22 matching cards to explore the number combinations of 10.
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Presidents' Day Color by Number - Addition
Practice adding single-digit numbers with sums to 20 with a Presidents’ Day Color By Number Worksheet.
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Counting On Cover Up Game
Practice the counting-on strategy with this engaging cover-the-board game.
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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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Making 10 – Worksheet
Practice the addition strategy of making ten with this math worksheet.
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Counting On with Number Bonds – Worksheet
Begin from the larger number and count on to find the total with this worksheet.
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Counting On – Instructional Slide Deck
Introduce the early addition concept of “counting on” to your students with this set of teaching slides.
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100th Day of School Dice Games - Roll to 100 Challenge
Roll your way through the 100th Day with dice games for kids.
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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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Mental Math Subtraction Printable Posters
Use this set of subtraction posters in your classroom when teaching different mental math strategies.
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Fall Math - Addition to 10 Task Cards
Practice addition up to 10 with this set of 20 fall-themed task cards.
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Addition and Subtraction Within 20 – Worksheet
Use this worksheet with your students when exploring addition and subtraction within 20.
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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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The Addition Quest – Whole Class Activity
Find the hidden gems and place their numbers into the correct positions on the worksheet to solve each addition problem.
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Mystery Pattern Grids (Addition)
Solve addition facts, interpret coordinate planes, and draw shapes to reveal a mystery picture.
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Addition and Subtraction Word Problem Task Cards - (Numbers 1-9)
Use a range of addition and subtraction strategies to solve twenty single-digit word problems.
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2-digit + 1-digit Task Cards
Practice adding 2-digit and 1-digit numbers with this set of 18 number sentence task cards.