CCSS.MATH.CONTENT.2.NBT.B.5
Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.
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Break Apart Addition Strategy Mini Book
Use this mini-book to help your students learn how to use the break apart strategy to solve two-digit addition problems.
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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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Subtraction Across Zero - Color By Number Worksheet
Practice subtraction across zeros with a fun color by number worksheet.
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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 Using Base 10 Blocks - Worksheet
Subtract two-digit numbers using base-10 blocks with a printable subtraction worksheet.
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Number Bonds Subtraction - Worksheet
Practice subtraction using number bonds with differentiated number bond 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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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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Adding 2-Digit Numbers Task Cards
Practice adding 2-digit numbers with this set of 18 number sentence task cards.
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Making Ten Teaching Slide Deck
A 14-slide PowerPoint that uses engaging animations to walk students through 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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Math Mazes - Addition and Subtraction
A set of puzzling mazes that require addition and subtraction skills to solve.
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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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Strategies for Subtraction - Anchor Charts
Remind your students of the many subtraction strategies with a printable subtraction anchor chart display.
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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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Spooky Sums Tarsia Puzzle - 3 Digit Addition
Practice three-digit addition skills with a Halloween pumpkin tarsia puzzle.
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Fact Families (+-) Interactive Activity
Use this fact family houses resource to teach and practice addition and subtraction fact families with your students.
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Cut & Paste Fact Family Worksheets
Use these fact family houses worksheet set to practice addition and subtraction fact families with your students.
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Addition Strategies Task Cards
Practice using the jump strategy, break apart strategy, compensation strategy and 100s chart strategy with this set of task cards.
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Addition Strategy Spin Game
Have some fun all while practicing different addition strategies with this fun classroom game.
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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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Number Talks - Double Digit Addition Task Cards
Build number sense skills with this set of 24 task cards.
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Hundreds Chart Strategy Addition Worksheet Pack
Practice using the hundreds chart strategy to solve addition problems with this worksheet set.
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Jump Strategy Addition Worksheet Pack
Practice using the jump strategy with this worksheet set.
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Jump Strategy Addition Mini Book
Use this mini-book to help your students learn how to use the jump strategy to solve two-digit addition problems.
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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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Hundreds Chart Strategy Addition Mini Book
Use this mini-book to help your students learn how to use the hundreds chart as a strategy to solve addition sums.
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2-Digit Number of the Day - Spiral Review
Review a variety of second-grade math concepts with a Number of the Day slide deck and recording sheet.
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Hundreds Chart Addition Strategy Interactive Activity
Practice using the hundreds chart as an addition strategy with this fun interactive activity.
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Blast Off Addition Strategy Interactive Activity
Practice four different addition strategies in this fun space-themed interactive activity.
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Jump Strategy Addition Interactive Activity
Practice using the addition jump strategy with this fun interactive activity.