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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Number Talks - Double Digit Addition Task Cards
Build number sense skills with this set of 24 task cards.
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Double Dinos - Using Doubles Facts to Add Near Doubles Worksheet
Practice the “near doubles” addition strategy to solve addition problems to 20.
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Addition Strategies Cheat Sheet
Help students understand the different addition strategies with this helpful cheat sheet.
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Break Apart Strategy Worksheet
Practice using the break apart strategy when adding two-digit numbers with this worksheet.
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Multi-Step Addition and Subtraction Word Problem Task Cards
Solve multi-step addition and subtraction word problems with a set of printable math task cards.
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Counting Backwards to Subtract - Number Fact Board Game
Practice subtracting by counting backwards with a pair of printable subtraction games.
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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 for Subtraction – Interactive Teaching Slides
Teach your students to subtract two-digit numbers using the jump strategy with an instructional teaching presentation.
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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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Basic Fact Cards
A set of 72 basic addition, subtraction, multiplication, and division fact 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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Fact Family Find and Flip - Addition and Subtraction Up to 20
Addition and subtraction game cards demonstrating the relationship between fact families.
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Rainbow Numbers Worksheet
A worksheet using rainbow numbers.
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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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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 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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Near Doubles Game: Wizard's Walk
Break out our near doubles game “Wizard’s Walk” for an engaging way to practice the near doubles strategy.
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Word Problems Addition and Subtraction Escape Room
Search for a lost treasure in our word problems addition and subtraction escape room that will give your students varied practice adding and subtracting one and two-digit numbers.
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Adding and Subtracting Word Problems Interactive Task Cards
Engage your students with this interactive adding and subtracting word problems activity that features a variety of problem types.
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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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Number Patterns 2nd Grade Worksheet Set
Download this number patterns 2nd grade worksheet set to give your students practice skip counting and recognizing patterns.
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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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Math Brain Teasers – Grade 2 Word Problems
Challenge your second-grade students to solve these brain teasers with a set of 24 math word problems.
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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.
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Friends of 10 Addition Poster Bundle
Print the ultimate Friends of 10 poster bundle with 10 printable classroom posters designed to show students how different combinations of numbers connect to make the same number.
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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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Combinations of 10 and 20 Posters
Easily recognize combinations of 10 and combinations of 20 with this visual poster set.
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Dominate the Dragon – Mental Math Worksheets
Capture your students' interest in math drills for all four operations with these fun dragon-themed differentiated math worksheets.
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Candy Cane Activity - Double Digit Subtraction Tarsia Puzzle
Practice double-digit subtraction with regrouping with a Christmas candy cane activity.
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Thanksgiving Escape Room - The Stolen Feast
Play a Thanksgiving Escape Room game and practice two-and-three digit addition for holiday fun!