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.
- Free Plan
Cover Up! - Addition Facts Game
Develop a love of addition facts with this multiplayer Valentine’s Day board game.
- Plus Plan
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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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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Addition Fact Timed Tests & Trackers
Assess and track addition fact fluency with a printable Math Drill Worksheet pack for addition facts.
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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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Spooky 3-Digit Subtraction - Maze Game
Practice three-digit subtraction with regrouping skills with printable Halloween Subtraction Maze worksheets.
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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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2-Digit Subtraction Using Bar Models- Differentiated Worksheets
Review and assess your students’ subtraction skills with differentiated 2-digit subtraction worksheets focusing on the bar model strategy.
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Teaching the Subtraction Algorithm - Instructional Slides
Engage your students in mathematical problem solving with. a subtraction algorithm teaching presentation.
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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.
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Strip Diagram (Bar Model) Poster Pack
Help your students solve problems using the four operations with a pack of printable strip diagram anchor charts.
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Trade It! Subtraction with Regrouping Game
Play a fun, hands-on board game in groups when learning to solve subtraction equations that require regrouping.
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Football Tarsia Puzzle - 2 Digit Addition
Print and assemble a football-themed tarsia puzzle to use when practicing two-digit addition skills.
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CUBES Bulletin Board and Bookmark Set
Tackle word problems with this CUBES problem-solving bulletin board and bookmark set.
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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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Addition and Subtraction Minute Math Booklet
Warm-up (or assess) with this 10-page booklet of addition and subtraction drills.
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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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Addition to 10 Modeling Mats
Familiarize students with adding single-digit numbers using this set of practice mats.
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Addition Match-Up Puzzles
A set of 15 match-up cards to scaffold work with addition word problems.
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Linking Addition and Subtraction Worksheet
Explore the relationship between addition and subtraction with a fact family worksheet.
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Basic Fact Cards
A set of 72 basic addition, subtraction, multiplication, and division fact cards.
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Subtraction Dog – Worksheet
Practice subtraction facts with this set of differentiated worksheets.
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Daily Problem-Solving - Multi-Step Word Problems (2-3)
Boost your students’ problem-solving skills with rigorous daily review of multi-step word problems for 2nd and 3rd grade.
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Subtraction by Regrouping - Poster
Break down the steps to use regrouping to find a solution to a subtraction problem with a printable subtraction anchor chart.
- Plus Plan
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.
- Free Plan
Taking From 10 - Number Facts Board Game
Practice the "Taking from 10" subtraction strategy with this board game.
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Making 10 - Number Facts Board Game
A fun, hands-on game students can play to practice the Making 10 addition strategy.
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Mathematics Vocabulary Posters
A teaching resource to help students identify the associated vocabulary for mathematical operations.
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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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10 Problem Solving Strategies Posters
Boost problem solving skills and remind your students to use their strategies with our Problem Solving Strategy Posters.