Add and subtract within 20
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Musical Equations Active Learning
A whole class active game that encourages learning through a physical setting.
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Doubles Plus One - Grid Game
Practice the doubles plus one addition strategy with this dice game.
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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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Feed the Pumpkins - 1st Grade Subtraction Worksheet
Feed the pumpkins and practice subtraction to twenty with a Halloween subtraction worksheet.
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Part Part Whole Word Problem Task Cards and Worksheet
Explore these animal-themed part-part-whole word problems that will open discussions with your young mathematicians.
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Rainbow Number Facts (Making 10) - Board Game
Practice the addition strategy of making ten with this board game.
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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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Missing Addend to 10 Flashcards
Practice all the ways to make ten with this set of flashcards.
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Addition Strategies to 20 Workmat
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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Pizza-Themed Near Doubles Task Cards
Practice quick recall of near doubles facts with this cute pizza-themed task cards activity.
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Turnaround Facts Flip Flop Task Cards
Develop number sense with addition turnaround facts to 20 with these cute flip flop fact task cards.
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Subtraction Tarsia Worksheets- Math Puzzles
Print a set of 7 Tarsia puzzles to practice solving single-to-multi-digit subtraction problems.
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Making Monsters Subtraction - Halloween Math Worksheet
Have some spooky subtraction fun with three differentiated Halloween subtraction worksheets.
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Subtraction Stew - Halloween Math Worksheet
Have some spooky subtraction fun with a Halloween picture-model subtraction worksheet.
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Bar Model Subtraction - Math Color By Number Worksheet
Bring a bit of spooky math fun into the classroom with a Halloween color by number worksheet focused on subtraction using a bar model.
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Number Talks - Making Ten Task Cards
Build number sense skills with this set of 20 task cards.
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Counting Backwards to Subtract - Number Fact Board Game
Practice subtracting by counting backwards with a pair of printable subtraction games.
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Think Addition - Fact Family Worksheets
Use addition to solve subtraction problems with this worksheet.
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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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Exploring Subtraction Strategies Instructional Slide Deck
Explore and teach multiple subtraction strategies with an instructional slide deck
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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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Bump! Subtraction to 10 Math Game
Practice subtraction facts to 10 with a fun printable subtraction board game.
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Fact Family Math Blast Off - Addition and Subtraction
Demonstrate an understanding of addition and subtraction fact families with a fun cut and sort activity.
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Subtraction Strategies - Ten Frame Printable Bingo Game
Practice using ten frames to subtract single-digit numbers in a whole class bingo game.
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Subtraction with Ten Frames - Worksheet
Model and subtract numbers to twenty using ten frames with a handy ten-frame subtraction worksheet.
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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!