Math 1.3(E)
explain strategies used to solve addition and subtraction problems up to 20 using spoken words, objects, pictorial models, and number sentences; and
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Change It! – Rearranging Parts Activity
Practice rearranging the parts of whole numbers into different combinations with this math activity.
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Groundhog Day Addition - Color By Number
Boost addition skills and bring some fun into the classroom with Groundhog Day color-by-number addition worksheets.
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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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Addition Strategies: Make a Ten Worksheet
A 2-page worksheet that uses ten frames to model the “making ten” addition strategy.
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Addition Strategy - Decompose, Then Make 10 Worksheet
Build addition strategies using digits 1-10 with this two-page decomposing numbers worksheet.
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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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1st Grade Halloween Addition Game - Roll-a-Potion
Roll and add to create a magic potion, then draw it in the cauldron with a printable Halloween game.
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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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Number Bonds Math Center Activity
Use this hands-on number bonds (addition and subtraction) strategy activity in your next guided math group lesson!
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Number Talks - Double Digit Addition Task Cards
Build number sense skills with this set of 24 task cards.
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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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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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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 Bonds Worksheet - Cut and Paste
Practice subtraction up to twenty with a cut-and-paste number bond worksheet.
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Number Bond Subtraction - Task Cards
Boost subtraction skills with printable subtraction number bonds task cards.
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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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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 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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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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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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Easter Basket Digital Math Center
Save time lesson planning in the lead up to Easter with this Easter-themed Digital Math Activity.
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Bunny Subtraction - Printable Easter Book
Learn about subtraction with this cute bunny-themed subtraction story!
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Lucky's Loot - Digital St. Patrick's Day Math Activity
Save time lesson planning with a St. Patrick's Day Digital Math Activity that reviews multiple math concepts at once!
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St. Patrick's Day Digital Centers
Celebrate St. Patrick’s Day with a digital math and literacy activity deck.