Common Core State Standards
CCSS.MATH.CONTENT.2.NBT.B.6
Add up to four two-digit numbers using strategies based on place value and properties of operations.
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resources for those 'aha' moments
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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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Adding 2-Digit Numbers Worksheet
Practice 2-digit addition with regrouping with this drill and practice worksheet.
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Missing Addend Picture Puzzle – Level 3
Solve the missing addition sentence by matching the addend with its equation, completing the puzzle.
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Missing Addend Picture Puzzle – Level 2
Solve the missing addition sentence by matching the addend with its equation, completing the puzzle.
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Addition to 10 Modeling Mats
Familiarize students with adding single-digit numbers using this set of practice mats.
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Addition Algorithm PowerPoint Presentation
An animated teaching presentation focused on the addition algorithm.
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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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Add and Reveal PowerPoint – Addition Practice
A PowerPoint for students to interact with when practicing addition facts.
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Math Mazes - Two-digit Addition
A set of three mazes that require students to add two-digit numbers.
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Compatible Numbers for Subtraction – Interactive PowerPoint
A 13-slide, editable teaching presentation that focuses on using compatible numbers as a subtraction strategy.
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Decomposing to a Ten – Interactive PowerPoint
A 13-slide, editable teaching presentation focusing the decomposing to a ten subtraction strategy.
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Jump Strategy for Subtraction – Interactive PowerPoint
An 11-slide, editable teaching presentation that focuses on the jump strategy.
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Split Strategy for Subtraction – Interactive PowerPoint
An 11-slide, editable teaching presentation that focuses on the split strategy for subtraction.
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Compensation Strategy for Subtraction – Interactive PowerPoint
A 16-slide, editable PowerPoint that focuses on the compensation strategy for subtraction.
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Compensation Strategy Interactive PowerPoint
A 21-slide, editable teaching presentation focusing on the compensation addition strategy.
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Mental Math – Subtraction Flashcards
A set of 36 subtraction flashcards using one- and two-digit numbers.
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Trade It Board Game
A fun, hands-on board game to play in groups when learning to solve subtraction equations that require regrouping.
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Jump Strategy for Addition - Interactive PowerPoint
An 11-slide, editable teaching presentation that focuses on the jump strategy.
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Jump Strategy Addition Game
A fun and challenging game to use when learning how to use the jump strategy to solve addition problems.
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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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Linking Addition and Subtraction Worksheet
A worksheet designed to explore the relationship between addition and subtraction.
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Jump Strategy: Addition – Worksheet
An addition worksheet that focuses on the jump strategy.
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Split Strategy Worksheet
A worksheet that focuses on using the split strategy to add two-digit numbers.
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Split Strategy Interactive PowerPoint
An 11-slide teaching presentation that focuses on the split strategy.
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Jump Strategy: Subtraction – Worksheet
A subtraction worksheet that focuses on the jump strategy.
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Making Ten Interactive PowerPoint
A 14-slide PowerPoint that uses engaging animations to walk students through the 'making ten' addition strategy.
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Classroom Spinner Template - Math Equations
A classroom spinner template focusing on math equations using addition and subtraction.
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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.
