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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Thanksgiving Escape Room - The Stolen Feast
Play a Thanksgiving Escape Room game and practice two-and-three digit addition for holiday fun!
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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.
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Roll It! Operations Game
Use this fun game to practice all four operations and/or order of operations.
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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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Math Mazes - Two-digit Addition
Practice adding two-digit numbers with this set of differentiated math mazes.
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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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Adding 2-Digit Numbers Worksheet
Practice 2-digit addition with regrouping with this drill and practice worksheet.
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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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Subtraction Strategies – Worksheet
Assess your students’ knowledge of subtraction strategies with a subtraction assessment.
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Problem Solving Mat
A problem solving mat to help guide students when solving word problems.
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Addition Strategy - Counting On Worksheet
Solve addition problems in this 2-page Counting On Addition Worksheet.
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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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Math Keywords for Problem Solving
Help your students decipher math word problems with a set of printable math keyword anchor charts.
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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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Thanksgiving Mystery Pictures - Addition to 99
Celebrate Thanksgiving and practice adding 2-digit numbers up to 99 with a set of four Thanksgiving-themed color-by-number worksheets.
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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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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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Addition Algorithm PowerPoint Presentation
Use this editable interactive teaching presentation with your students when explaining how to use the addition algorithm with regrouping.
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2-Digit Subtraction Within 100 - Puzzles
Practice a variety of subtraction strategies with a set of printable math puzzles.
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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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2-Digit Subtraction with Place Value Disks - Match Up
Practice using place value disks to solve 2-digit subtraction problems with a matching activity.
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Missing Part Path - Find the Missing Number Worksheet
Practice using various subtraction strategies with a fun dice-roll math maze.
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Subtraction with Regrouping - Printable Math Mat
Explore subtraction with regrouping using a printable subtraction math mat.
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The Escape From Millbrook Manor – Halloween Escape Room
Practice computation skills by solving puzzles with this differentiated Halloween escape room 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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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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3 Digit Subtraction With Regrouping Game Cards
Practice 3-Digit subtraction with regrouping strategies with a printable set of subtraction strategy task cards.
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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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2-Digit Subtraction Model Match-Up
Use a rigorous subtraction matching game to match subtraction word problems with number sentences, bar models, and solutions.
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Jump Strategy - Number Line Addition Game
Practice using the jump strategy for multi-digit addition with a fun math game.
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Christmas Color-By-Addition-Fact Worksheets
Boost addition skills and bring a bit of Christmas magic into the classroom with Christmas color-by-number addition worksheets.
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Adding 2-Digit Numbers - Fall Math Task Cards
Celebrate the coming of Autumn and practice adding 2-digit numbers with this set of 18 task cards.