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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Jump Strategy - Number Line Addition Game
Practice using the jump strategy for multi-digit addition with a fun math game.
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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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Double-Digit Subtraction Strategies Posters
Remind your students to use different subtraction strategies with a set of printable subtraction anchor charts.
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Egg-citing Math Scavenger Hunt: Crack the Code with Whole Number Operations
Solve number sentences and determine the codewords with this differentiated math scavenger hunt.
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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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"March Mathness" Basketball Math Craft - Addition
Practice 2-3 digit addition (with and without regrouping) with a fun "March Mathness" craft activity.
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Math Warm-Ups Interactive PowerPoint - Grade 2
A PowerPoint providing a series of warm-up activities for Grade 2 students across the mathematics curriculum.
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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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Valentine Bingo - 2-Digit Addition and Subtraction Game
Add and subtract two-digit numbers to win this fun Valentine’s Bingo Game!
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Friends of 10 - Addition Match-up Activity
A set of 22 matching cards to explore the number combinations of 10.
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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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Mental Math Addition Posters
Use this set of addition posters in your classroom when teaching different mental math strategies.
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Mental Math Subtraction Printable Posters
Use this set of subtraction posters in your classroom when teaching different mental math 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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Adding to Multiples of Ten up to 100 – Halloween Mystery Picture
Celebrate the coming of Halloween and practice adding 2-digit numbers up to 99 with a set of addition color by number worksheets.
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Decorate a Pumpkin - Halloween Addition Game
Practice finding sums up to 12 with this fun Halloween Math Game!
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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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The Addition Quest – Whole Class Activity
Find the hidden gems and place their numbers into the correct positions on the worksheet to solve each addition problem.
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Mystery Pattern Grids (Addition)
Solve addition facts, interpret coordinate planes, and draw shapes to reveal a mystery picture.
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Grade 2 Daily Warm-Up - PowerPoint 4
Warm-up your students' brains each day with this 68-slide PowerPoint containing a variety of quick activities.
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Adding Four 2-Digit Numbers Task Cards
Practice adding four 2-digit numbers together with this set of 16 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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Math Mazes – Making Ten
A set of mazes where students find missing addends to solve the maze.
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Color by Number – Repeated Addition
An engaging activity to prepare students for understanding the concept of multiplication.
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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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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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Add and Reveal PowerPoint – Addition Practice
A PowerPoint for students to interact with when practicing addition facts.
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Basic Fact Cards
A set of 72 basic addition, subtraction, multiplication, and division fact cards.
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Mental Math Addition and Subtraction - Color by Number
Build confidence with mental math addition and subtraction through an engaging color-by-number activity.
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Active Learning Guide for Grades 2-3 - Week 1
Use this weekly active learning guide to celebrate National Physical Fitness Month in your Grade 2 or Grade 3 classroom.
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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.