CCSS.MATH.CONTENT.3.NBT.A.2
Fluently add and subtract within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction.
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Addition and Subtraction with Regrouping - Posters
Break down the steps to use regrouping to find a solution with an addition and a subtraction poster.
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Trade It! Subtraction with Regrouping Game
Play a fun, hands-on board game in groups when learning to solve subtraction equations that require regrouping.
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Subtraction Using Base 10 Blocks - Worksheet
Subtract two-digit numbers using base-10 blocks with a printable subtraction worksheet.
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Jump Strategy - Number Line Addition Game
Practice using the jump strategy for multi-digit addition with a fun math game.
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Addition on a Number Line - Jump Strategy Slide Deck
Teach your students to add two-digit numbers using the jump strategy with an instructional teaching presentation.
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Double-Digit Subtraction Strategies Posters
Remind your students to use different subtraction strategies with a set of printable subtraction anchor charts.
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The Mathematical Easter Egg Hunt
Solve number sentences and determine the codewords with this differentiated Easter egg hunt activity.
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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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Save Santa's Workshop – Escape Room for Kids
A fun and festive escape room activity where students solve clues to save Santa's Workshop.
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Holiday Code Cracker: Middle Years – Whole Class Holiday Game
A whole class, holiday-themed game where students work together to find a secret code.
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Mixed Operations Minute Math Booklet (Lower-Level Version)
Jump into your math lessons with this ten-page mental math booklet covering the four operations and number patterns.
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School Supply Shopping - Upper Grades
Calculate the cost of school supplies and answer questions with this back-to-school math activity.
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Mixed Operations Minute Math Booklet (Higher-Level Version)
Incorporate this mental math drills booklet into your math lesson warm-up (or assessment) routine.
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Adding Four 2-Digit Numbers Task Cards
Practice adding four 2-digit numbers together with this set of 16 task cards.
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Adding 2-Digit Numbers Task Cards
Practice adding 2-digit numbers with this set of 18 number sentence task cards.
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100 More , 100 Less Matching Game (Three-Digit Numbers)
Match 3-digit number cards to find pairs that are 100 more or 100 less of each other.
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Addition Strategies Worksheet
A worksheet to use when reviewing different addition strategies.
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Find Your Detective Call Sign Worksheet
An addition worksheet students use to find their own special detective call sign.
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Addition Match-Up Puzzles
A set of 15 match-up cards to scaffold work with addition word problems.
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Linking Addition and Subtraction Worksheet
Explore the relationship between addition and subtraction with a fact family worksheet.
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Color By Number - Mental Math Practice
A set of 5 color by number sheets that can be used to practice mental math.
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Active Learning Guide for Grades 2-3 - Week 1
Use this weekly active learning guide to celebrate National Physical Fitness Month in your Grade 2 or Grade 3 classroom.
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Number Talks - Building Numbers Task Cards
Build number sense skills with this set of 24 task cards.
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Number Talks - Making Numbers Task Cards
Build number sense skills with this set of 20 task cards.
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Math Mazes - Addition and Subtraction
A set of puzzling mazes that require addition and subtraction skills to solve.
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Grade 3 Daily Warm-Up – PowerPoint 4
Warm-up your students' brains with this 61-slide PowerPoint presentation containing a variety of quick activities.
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Grade 3 Daily Warm-Up – PowerPoint 3
A 61-slide PowerPoint presentation containing a variety of quick warm-up activities.
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Grade 3 Daily Warm-Up – PowerPoint 2
A 64-slide PowerPoint presentation containing a variety of quick warm-up activities.
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Grade 3 Daily Warm-Up – PowerPoint 1
A 68-slide PowerPoint presentation containing a variety of quick warm-up activities.
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Subtraction Dog – Worksheet
Practice subtraction facts with this set of differentiated worksheets.
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Addition Worm – Worksheet
A set of differentiated addition worksheets.