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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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.
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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 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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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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Dominate the Dragon – Mental Math Worksheets
Capture your students' interest in math drills for all four operations with these fun dragon-themed differentiated math worksheets.
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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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Addition and Subtraction Minute Math Booklet
Warm-up (or assess) with this 10-page booklet of addition and subtraction drills.
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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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Pandora's Party Palace Math Activity - Lower Level Version
16 mathematics problem solving task cards involving money in a real-world context.
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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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Number Talks - Double Digit Subtraction Task Cards
Encourage the use of mental math strategies with 2-digit subtraction number talks task cards.
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Subtraction with Ten Frames - Worksheet
Model and subtract numbers to twenty using ten frames with a handy ten-frame subtraction worksheet.
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Subtraction Using Base 10 Blocks - Worksheet
Subtract two-digit numbers using base-10 blocks with a printable subtraction worksheet.
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Basic Fact Cards
A set of 72 basic addition, subtraction, multiplication, and division fact cards.
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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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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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Daily Math Word Problems - Grade 2 (Worksheets)
A set of 20 problem-solving questions suited for Grade 2 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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Rainbow Facts Zero-Tail Game
Use this fun two-digit addition strategy math game to reinforce the concept of "compatible numbers."
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Decomposing Numbers - Subtraction Teaching Slides
Challenge students to decompose numbers to mentally solve two-digit subtraction problems with a teaching presentation.
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Math Graphic Organizers - Printable Work Mats
Practice working on specific math concepts with our set of 5 printable math graphic organizers.
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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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Ten Frame - Printable Templates
Print a set of 10 blank ten frames to use in various math lessons.
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Subtraction on a Number Line – Worksheets
Practice subtracting two-digit numbers with regrouping using a number line and the jump strategy with a pack of differentiated worksheets.
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Jump Strategy - Number Line Addition Worksheet
Practice adding two-digit numbers with regrouping using a number line and the jump strategy with a printable number line worksheet.
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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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Linking Addition and Subtraction Worksheet
Explore the relationship between addition and subtraction with a fact family worksheet.
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Addition Strategy - Counting On Worksheet
Solve addition problems in this 2-page Counting On Addition 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 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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Strategies for Subtraction - Anchor Charts
Remind your students of the many subtraction strategies with a printable subtraction anchor chart display.
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Mathematics Vocabulary Posters
A teaching resource to help students identify the associated vocabulary for mathematical operations.