Math 2.4
Number and operations. The student applies mathematical process standards to develop and use strategies and methods for whole number computations in order to solve addition and subtraction problems with efficiency and accuracy. The student is expected to:
- (1) recall basic facts to add and subtract within 20 with automaticity;
- (A) add up to four two-digit numbers and subtract two-digit numbers using mental strategies and algorithms based on knowledge of place value and properties of operations;
- (B) solve one-step and multi-step word problems involving addition and subtraction within 1,000 using a variety of strategies based on place value, including algorithms; and
- (C) generate and solve problem situations for a given mathematical number sentence involving addition and subtraction of whole numbers within 1,000.
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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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Subtracting 2-Digit Numbers Worksheet
Practice 2-digit subtraction with regrouping with this drill and practice worksheet.
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Addition and Subtraction Strategy Worksheets
Reinforce addition and subtraction strategies through this worksheet pack one‑ and two‑digit calculations.
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Linking Addition and Subtraction Worksheet
Help students discover the link between addition and subtraction through structured, student‑friendly worksheets.
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Mental Math Addition and Subtraction - Color by Number
Build confidence with mental math addition and subtraction through an engaging color-by-number activity.
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Number Talks - Balancing Equations Task Cards
Build number sense skills with this set of 40 task cards.
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Friends of 20 – Addition Match-up Activity
A set of 40 matching cards to explore the number combinations of 20.
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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 Up To 20 - Monster Matchup Cards
A set of matchup cards to practice adding within 20.
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Daily Math Problems - Grades 2-3
A 44-slide PowerPoint that includes 20 one and two-step word problems.
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Double Bubble – Doubling Game
Practice the doubles addition strategy with this fun board game.
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Doubles Plus One - Grid Game
Practice the doubles plus one addition strategy with this dice game.
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Doubles Plus One - Dice Roll Worksheet
Practice the doubles plus one addition strategy with this one-page worksheet.
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Doubles Minus One - Dice Roll Worksheet
Practice the doubles minus one addition strategy with this one-page worksheet.
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Doubles Plus 1 - Game Boards
30 game boards to use when practicing the doubles plus one strategy with single and double-digit numbers.
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Subtraction Fact Fluency Assessments
Assess and track subtraction fact fluency with a printable Math Fact Fluency program for subtraction facts.
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Color by Number – Repeated Addition
Practice color by number addition with this engaging repeated addition resource that helps students strengthen addition skills while completing fun math coloring activities.
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Number Bonds Worksheet - Cut and Paste
Practice addition and subtraction up to twenty with a cut-and-paste number bond worksheet.
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Subtraction Detectives – Subtraction Strategy Activities
Engage your class with this subtraction interactive detective activity.
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Addition and Subtraction with Ten Frames Worksheet Pack
Practice adding and subtracting numbers to twenty using ten frames.
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Easter Addition Coloring Pages (Differentiated)
Grab a fun set of Easter Addition Coloring pages to help your little learners practice adding 1 and 2-digit numbers without regrouping.
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Easter Escape Room - 2nd Grade Math Review Game
Use this Easter Escape Room Game for 2nd graders to review place value, number sense, counting money, and other second grade math concepts.
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Subtract From 10 Board Game
Have a “blast” with this space-themed “Subtract From 10” board game that gives your students the practice they need with tens subtraction facts.
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Counting On Game
Engage your students with this fun and colorful counting on game that gives your students practice with the “counting on” addition strategy.
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Adding Numbers Game Board: Making Ten Board Game
Introduce this Adding Numbers Game Board: Making Ten board game to your students to give them the practice using the “make a ten” addition strategy.
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Adding and Subtracting Money Word Problems Game
Download this adding and subtracting money word problems game for a fun way to practice double digit operations using real-world scenarios.
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2nd Grade Fast Finisher Activities - Math
Engage your 2nd grade early finishers with these printable fast finisher activities that focus on math.
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20 Polygon Puzzles - Addition and Subtraction Pack
Explore addition and subtraction with this fun polygon puzzle pack.
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2 Digit Subtraction - Flip It Card Game
Practice subtracting two-digit numbers with and without regrouping with a fun game of Subtraction Flip It!
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Ten Frame Printable Templates
Use these printable ten frames in various math lessons to reinforce number sense and other essential skills.
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10 Problem Solving Strategies Posters
Boost problem solving skills and remind your students to use their strategies with our Problem Solving Strategy Posters.
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Mathematical Operations Action Words - Spanish Version
Help your ELL and ESL students decipher math word problems using Spanish math keyword anchor charts.