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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Color-by-Number Valentine's Day Addition Worksheet
Have fun with your Valentine’s Day Math practice with an addition color by number worksheet.
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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 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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Adding 2-Digit Numbers Worksheet
Practice 2-digit addition with regrouping with this drill and practice worksheet.
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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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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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Strip Diagrams (Bar Model) Poster Pack
Help your students solve problems using the four operations with a pack of printable strip diagrams anchor charts.
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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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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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Solving Math Word Problems Strategy Mats
Help your students solve math word problems with this set of strategy mats.
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Addition and Subtraction Word Problems - Match Game
Practice reading, modeling, and solving addition and subtraction word problems with a matching activity.
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Teaching the Subtraction Algorithm - Instructional Slides
Use this animated Instructional Slide Deck with your students when teaching how to use the subtraction algorithm with regrouping.
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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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Addition Strategy - Counting On Worksheet
Solve addition problems in this 2-page Counting On Addition Worksheet.
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Addition and Subtraction Word Problem Task Cards (Numbers 1-50)
Use a range of addition and subtraction strategies to solve twenty word problems that contain numbers 1–50.
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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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Rainbow Number Facts (Making 10) - Board Game
Practice the addition strategy of making ten with this board game.
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Double-Digit Addition Strategies Posters
Remind your students to use different addition strategies with a set of printable two-digit addition strategies.
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2-Digit Number of the Day - Spiral Review
Review a variety of second-grade math concepts with a Number of the Day slide deck and recording sheet.
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Subtraction Methods - Printable Mini-Book
Teach and practice various subtraction strategies with a printable 3-digit subtraction mini book.
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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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2-Digit + 1-Digit Numbers Addition Worksheet
Practice addition involving 2- and 1-digit numbers with this drill and practice worksheet.
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Addition Strategy - Decompose, Then Make 10 Worksheet
Build addition strategies using digits 1-10 with this two-page decomposing numbers worksheet.
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Addition Strategies Posters
Create an "addition strategies display" for your students with this set of 7 posters.
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Money Word Problems Addition and Subtraction Worksheet Set
Use our money word problems addition and subtraction worksheet set to give your students differentiated practice modeling a variety of one and two-digit word problems.
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Two-Digit Addition Using the Split Strategy – Poster and Worksheets
Teach your students how to use partitioning for two-digit addition with this ice cream-themed poster and worksheets.
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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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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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Addition Strategies Exit Tickets
Assess student knowledge of different addition strategies with these printable exit tickets.
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Adding with Strip Diagram Cut and Paste Worksheet
Practice adding two digit numbers using the strip diagram with this cut and paste worksheet.