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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Split Strategy for Subtraction – Interactive Teaching Slides
Demonstrate using the split strategy for subtraction with an instructional slide presentation.
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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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Hundreds Chart Color By Number - Subtraction
Practice subtracting single and double-digit numbers with a set of subtraction color by number task cards.
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Subtraction Game - 2-Digit Subtraction Dominoes
Use this printable set of double-digit subtraction dominoes to practice a variety of subtraction strategies.
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Mental Math – Subtraction Flashcards
Build up your students' mental math skills with a set of 36 subtraction flashcards using one- and two-digit numbers.
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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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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 Worksheet
Practice 2-digit addition with regrouping with this drill and practice worksheet.
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Subtracting 2-Digit Numbers Worksheet
Practice 2-digit subtraction with regrouping with this drill and practice worksheet.
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Addition and Subtraction Minute Math Booklet
Warm-up (or assess) with this 10-page booklet of addition and subtraction drills.
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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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Number Talks - Three-Digit Addition Task Cards
Build number sense skills with this set of 24 task cards.
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Math Mazes - Two-digit Addition
Practice adding two-digit numbers with this set of differentiated math mazes.
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2-Digit Plus 1-Digit Addition – Star Matchup Cards
A set of matchup cards to practice adding a 2-digit number with a 1-digit number.
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What's it Worth? - Money Activity (US Currency)
A game to play when learning how to add currency.
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Number of the Day Worksheet
Explore 4, 5, and 6-digit numbers using this number of the day worksheet with your students.
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Spooky Subtraction - 3rd Grade Halloween Math Game
Practice triple-digit subtraction with regrouping with an exciting 3rd Grade Halloween Math Game.
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2-Digit Subtraction Within 100 - Puzzles
Practice a variety of subtraction strategies with a set of printable math puzzles.
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Addition by Regrouping Classroom Poster
Learn the steps to addition with regrouping with this simple classroom poster.
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Break Apart Strategy Interactive PowerPoint
Learn all about the break apart strategy with this teaching PowerPoint.
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Addition Strategy Mats
Practice using a variety of addition strategies to add 2-digit numbers.
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Double-Digit Addition Strategies Posters
Remind your students to use different addition strategies with a set of printable two-digit addition strategies.
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Adding within 1,000 Expanded Form Worksheet
Practice using the break apart strategy by working through this addition worksheet.
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Compensation Strategy Addition Mini Book
Use this mini-book to help your students learn how to use the compensation strategy to solve addition sums.
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Rainbow Facts Zero-Tail Game
Use this fun two-digit addition strategy math game to reinforce the concept of "compatible numbers."
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Adding within 1,000 Strip Diagram Match Up Activity
Practice using the strip diagram to add numbers within 1,000 with this match up activity.
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Compensation Strategy Addition Interactive Activity
Practice using the addition compensation strategy with this fun interactive activity.
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Break Apart Strategy Addition Dominoes
Practice using the break apart strategy with this set of two-digit addition dominoes.
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Number Talks - Double Digit Subtraction Task Cards
Encourage the use of mental math strategies with 2-digit subtraction number talks task cards.