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

Addition and Subtraction Work Mat
Practice addition and subtraction concepts daily with a printable work mat for students.
- Plus Plan

3-Digit Addition and Subtraction with Regrouping - Posters
Break down the steps to use regrouping to find a solution with an addition and a subtraction poster.
- Free Plan

Missing Part Path - Find the Missing Number Worksheet
Practice using various subtraction strategies with a fun dice-roll math maze.
- Plus Plan

Trade It! Subtraction with Regrouping Game
Play a fun, hands-on board game in groups when learning to solve subtraction equations that require regrouping.
- Plus Plan

Subtraction Strategies Puzzle Match
Practice identifying and using different subtraction strategies with a set of printable math puzzles.
- Plus Plan

Jump Strategy - Number Line Addition Game
Practice using the jump strategy for multi-digit addition with a fun math game.
- Plus Plan

Double-Digit Subtraction Strategies Posters
Remind your students to use different subtraction strategies with a set of printable subtraction anchor charts.
- Plus Plan

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.
- 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.
- Plus Plan

Mental Math Addition Posters
Use this set of addition posters in your classroom when teaching different mental math strategies.
- Plus Plan

Mental Math Subtraction Printable Posters
Use this set of subtraction posters in your classroom when teaching different mental math strategies.
- Plus Plan

The Escape From Millbrook Manor – Halloween Escape Room
Practice computation skills by solving puzzles with this differentiated Halloween escape room game.
- Plus Plan

School Supply Shopping - Upper Grades
Calculate the cost of school supplies and answer questions with this back-to-school math activity.
- Plus Plan

Adding Four 2-Digit Numbers Task Cards
Practice adding four 2-digit numbers together with this set of 16 task cards.
- Plus Plan

Subtracting 2-Digit Numbers Worksheet
Practice 2-digit subtraction with regrouping with this drill and practice worksheet.
- Plus Plan

100 More , 100 Less Matching Game (Three-Digit Numbers)
Match 3-digit number cards to find pairs that are 100 more or 100 less of each other.
- 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

Color By Number - Mental Math Practice
A set of 5 color by number sheets that can be used to practice mental math.
- Plus Plan

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.
- Plus Plan

Number Talks - Three-Digit Addition Task Cards
Build number sense skills with this set of 24 task cards.
- Plus Plan

Number Talks - Building Numbers Task Cards
Build number sense skills with this set of 24 task cards.
- Plus Plan

Number Talks - Making Numbers Task Cards
Build number sense skills with this set of 20 task cards.
- Plus Plan

Math Mazes - Addition and Subtraction
A set of puzzling mazes that require addition and subtraction skills to solve.
- Plus Plan

Grade 3 Daily Warm-Up – PowerPoint 4
Warm-up your students' brains with this 61-slide PowerPoint presentation containing a variety of quick activities.
- Plus Plan

Grade 3 Daily Warm-Up – PowerPoint 3
A 61-slide PowerPoint presentation containing a variety of quick warm-up activities.
- Plus Plan

Grade 3 Daily Warm-Up – PowerPoint 2
A 64-slide PowerPoint presentation containing a variety of quick warm-up activities.
- Plus Plan

Grade 3 Daily Warm-Up – PowerPoint 1
A 68-slide PowerPoint presentation containing a variety of quick warm-up activities.
- Plus Plan

Addition Worm – Worksheet
A set of differentiated addition worksheets.
- Plus Plan

What's Missing? - 100 More, 100 Less Task Cards
Find numbers 100 more or 100 less than a given number up to 4 digits with this set of 20 task cards.
- Plus Plan

Missing Addend Picture Puzzle – Level 3
Solve the missing addition sentence by matching the addend with its equation, completing the puzzle.
- Plus Plan

Missing Addend Picture Puzzle – Level 2
Solve the missing addition sentence by matching the addend with its equation, completing the puzzle.