CCSS.MATH.CONTENT.3.NBT.A.2
Fluently add and subtract within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction.
- Plus Plan
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.
- Free Plan
Adding and Subtracting with Missing Addend Worksheet Pack
Practice finding the missing number using inverse operation strategies.
- Free Plan
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.
- Plus Plan
Split Strategy for Subtraction – Interactive Teaching Slides
Demonstrate using the split strategy for subtraction with an instructional slide presentation.
- Free Plan
Adding 2-Digit Numbers Worksheet
Practice 2-digit addition with regrouping with this drill and practice worksheet.
- Free Plan
Subtraction using Place Value Disks - Worksheet
Subtract 3-digit numbers using place value disks with a printable 3rd-grade subtraction worksheet.
- Plus Plan
Subtracting 2-Digit Numbers Worksheet
Practice 2-digit subtraction with regrouping with this drill and practice worksheet.
- Plus Plan
Addition Strategies Posters
Create an "addition strategies display" for your students with this set of 7 posters.
- Plus Plan
Standard Algorithm Addition – Teaching Slides
Use these editable, interactive teaching slides to guide your students through standard algorithm addition with regrouping.
- Plus Plan
Spooky Subtraction - 3rd Grade Halloween Math Game
Practice triple-digit subtraction with regrouping with an exciting 3rd Grade Halloween Math Game.
- Free Plan
Halloween 3-Digit Subtraction Worksheet
Bring a bit of spooky season into your classroom with a printable Halloween Subtraction worksheet.
- Plus Plan
Compensation Strategy for Addition Interactive Slide Deck
Teach your students to use the compensation strategy for addition with an interactive teaching slide deck.
- Plus Plan
Break Apart Strategy Interactive PowerPoint
Learn all about the break apart strategy with this teaching PowerPoint.
- Plus Plan
Adding within 1000 Addition Strategy Task Cards
Practice using a number of addition strategies to add numbers within 1000 with this set of task cards.
- Plus Plan
3 Digit Subtraction -Mathzee Math Game
Practice subtracting 3-digit numbers with and without regrouping with a fun game of Subtraction Mathzee!
- Plus Plan
Subtraction Using the Bar Model - Worksheet
Review and assess your students’ subtraction skills with a 3-digit subtraction worksheet focusing on the bar model strategy.
- Plus Plan
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.
- Free Plan
Subtraction Strategies – Worksheet
Assess your students’ knowledge of subtraction strategies with a subtraction assessment.
- Plus Plan
Addition on a Number Line - Jump Strategy Slide Deck
Teach your students to add two-digit numbers using the jump strategy with an instructional teaching presentation.
- Plus Plan
Jump Strategy for Subtraction – Interactive Teaching Slides
Teach your students to subtract two-digit numbers using the jump strategy with an instructional teaching presentation.
- Free Plan
Roll It! Operations Game
Use this fun game to practice all four operations and/or order of operations.
- Plus Plan
Adding 2-Digit Numbers Task Cards
Practice adding 2-digit numbers with this set of 18 number sentence task cards.
- Plus Plan
Making Ten Teaching Slide Deck
A 14-slide PowerPoint that uses engaging animations to walk students through the 'making ten' addition strategy.
- Plus Plan
Find Your Detective Call Sign Worksheet
An addition worksheet students use to find their own special detective call sign.
- Plus Plan
Linking Addition and Subtraction Worksheet
Help students discover the link between addition and subtraction through structured, student‑friendly worksheets.
- Plus Plan
Number Talks - Making Numbers Task Cards
Build number sense skills with this set of 20 task cards.
- Plus Plan
Grade 3 Daily Warm-Up – PowerPoint 1
A 68-slide PowerPoint presentation containing a variety of quick warm-up activities.
- Plus Plan
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.
- Plus Plan
Pandora's Party Palace – Money Word Problems – Middle Years
Help students apply math through engaging, real‑world money word problems.
- Plus Plan
Number Patterns 3rd Grade Worksheet Set
Share our number patterns 3rd grade worksheet set with your students to get them exploring number patterns and algebraic relationships.
- Plus Plan
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.
- Plus Plan
Number of the Day Worksheet
Explore 3, 4, 5, and 6-digit numbers using this number of the day worksheet with your students.