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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Missing Addend Picture Puzzle – Level 1
Solve the missing addition sentence by matching the addend with its equation, completing the puzzle.
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Polygon Puzzles - Addition
A set of 7 polygon puzzles to practice solving addition sentences.
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Friends of... 1 to 10 - Black and White Version
A set of 10 posters showing the different combinations to make the numbers 1 to 10.
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2-Digit Plus 1-Digit Addition – Star Matchup Cards
A set of matchup cards to practice adding a 2-digit number with a 1-digit number.
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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.
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Addition Up to 20 - Star Matchup Cards
A set of matchup cards to practice adding within 20.
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Addition Up To 20 - Star Matchup Cards
A set of matchup cards to practice adding within 20.
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Addition Up To 20 - Owl Matchup Cards
A set of matchup cards to practice adding within 20.
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Addition Up To 20 - Monster Matchup Cards
A set of matchup cards to practice adding within 20.
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Hundreds Chart Mystery Picture - Addition Task Cards
Practice adding single and double-digit numbers in your classroom with this set of 32 picture reveal task cards.
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Fact Family Find and Flip - Double-Digit Addition and Subtraction
Practice working with addition and subtraction fact families using double-digits with this math game.
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Fact Family Find and Flip - One- and Two-Digit Addition and Subtraction
Addition and subtraction game cards demonstrating the relationship between fact families.
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Color by Numbers - Adding Single-Digit Numbers
A set of 5 color by number activity pages to use when practicing addition facts.
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Open-ended Math Problem Solving - Grades 1, 2, and 3 (Task Card Version)
A set of 20 open-ended problem solving task cards covering a range of mathematical concepts.
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Strategies for Subtraction - Anchor Charts
Remind your students of the many subtraction strategies with a printable subtraction anchor chart display.
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Shopping Catalog with Worksheet
A shopping catalog and worksheet to use when working on money.l
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Number of the Day Warm-Up PowerPoint
A 30-slide editable PowerPoint Template for a 'number of the day' warm up.
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Rainbow Numbers Poster
A poster showing the different combinations of 10.
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Counting On 2 and 3 - Number Facts Board Game
A fun, hands-on game students can play to practice the 'Counting On 2 and 3' addition strategy.
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Counting On 1 - Number Facts Board Game
A fun, hands-on game students can play to practice the 'Counting On 1' addition strategy.
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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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Near Doubles - Number Facts Board Game
Practice the "Near Doubles" addition strategy with this board game.
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Doubles - Number Facts Board Game
Practice the doubles addition strategy with this board game.
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Number Matching Puzzle – Addition
A hands-on game to play when learning about adding larger numbers.
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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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Operation Domination Game
A fun game using addition, subtraction, multiplication, and division.
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Counting On Addition Dominoes
A set of addition dominoes to use in the classroom when applying counting on strategies.
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Daily Math Word Problems - Grade 2 (Worksheets)
A set of 20 problem-solving questions suited for Grade 2 students.
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Musical Equations Active Learning
A whole class active game that encourages learning through a physical setting.
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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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Doubles Leap Frog - Doubling Numbers Game
A fun game for students to play when learning to double two-digit numbers.
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Double Bubble – Doubling Game
Practice the doubles addition strategy with this fun board game.