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.
- Plus Plan
Addition and Subtraction with Ten Frames Worksheet Pack
Practice adding and subtracting numbers to twenty using ten frames.
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Double Facts Math Charts - Addition Rhyme Posters
Help your students remember their doubles facts to twenty with a set of printable double facts addition rhyme posters.
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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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Number Bonds Worksheet - Cut and Paste
Practice addition and subtraction up to twenty with a cut-and-paste number bond worksheet.
- Free Plan
Solving Math Word Problems Strategy Mats
Help your students solve math word problems with this set of strategy mats.
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Addition Bingo (Single and Double-Digit Numbers)
32 different bingo cards to practice adding single and double digit numbers mentally.
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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.
- Free Plan
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.
- Free Plan
Color by Number – Repeated Addition and Multiplication
Guide your students to connect repeated addition with multiplication by completing this color-by-code multiplication worksheet.
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3 Digit Subtraction With Regrouping Game Cards
Practice 3-Digit subtraction with regrouping strategies with a printable set of subtraction strategy task cards.
- Plus Plan
Fact Family Houses Worksheet Pack
Use these fact family houses worksheet set to practice addition and subtraction fact families with your students.
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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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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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Compatible Numbers for Subtraction – Slide Deck
Teach your students to use compatible numbers as a subtraction strategy with an interactive slide deck.
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Think Addition - Fact Family Worksheets
Use addition to solve subtraction problems with this worksheet.
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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.
- Plus Plan
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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2nd Grade Subtraction Strategies — Task Cards
Practice using various strategies to solve 2-digit subtraction problems (with and without regrouping) with a set of task cards.
- Free Plan
Adding and Subtracting with Missing Addend Worksheet Pack
Practice finding the missing number using inverse operation strategies.
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Addition and Subtraction Fact Families Teaching Presentation
Use this 19-slide editable slide deck when introducing addition and subtraction fact families to your students.
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Roll It! Operations Game
Use this fun game to practice all four operations and/or order of operations.
- Free Plan
Addition and Subtraction Problem Solving Task Cards
Practice solving 1- and 2-step word problems by adding and subtracting 2-digit numbers with this set of 16 task cards.
- Free Plan
Adding 2-Digit Numbers Worksheet
Practice 2-digit addition with regrouping with this drill and practice worksheet.
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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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Making Ten Cut and Paste Worksheet
A cut and paste worksheet to practice finding the missing addend when making ten.
- Free Plan
Math Mazes - Two-digit Addition
Practice adding two-digit numbers with this set of differentiated math mazes.
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MLK Day Hidden Message - Lower Grades
Practice addition and subtraction facts within 20 to uncover a meaningful quote.
- Free Plan
Cover Up! - Addition Facts Game
Develop a love of addition facts with this multiplayer Valentine’s Day board game.
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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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Jump Strategy Subtraction Game
Learn how to use the jump strategy to solve subtraction problems with a fun subtraction game.
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Basic Fact Cards
A set of 72 basic addition, subtraction, multiplication, and division fact cards.
- Plus Plan
Addition to 10 Modeling Mats
Familiarize students with adding single-digit numbers using this set of practice mats.