This 1st grade math unit is jam-packed with first grade math worksheets, games, and activities for grade 1 students! You can use this as a supplement to your curriculum or use it solely as your skill practice for adding 3 numbers.
$7.00
Help your students confidently add three numbers with this 1st Grade Add 3 Numbers Math Unit! Packed with add 3 numbers worksheets, interactive games, and hands-on activities, this resource gives first graders the practice they need to add three single-digit numbers with sums up to 20 using multiple strategies.
Students will explore different ways to combine three addends—using visual models, number lines, hundreds charts, and manipulatives. Each activity reinforces addition fluency, encourages flexible thinking, and builds problem-solving confidence. Whether used for whole-class instruction, small groups, or centers, this unit makes adding 3 numbers fun and approachable for every learner.
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This add 3 numbers resource includes everything you need to teach, practice, and reinforce this essential 1st-grade skill:
10 Add 3 Numbers Worksheets: Students add three single-digit numbers in various formats including number lines, matching, coloring, and word problems.
Dice Activity: Students roll dice three times and record their equations, practicing addition fluency in an interactive, competitive way.
Bubble Gum Matching Game: Students match each kid with the correct “splat” of bubble gum by solving addition problems with three addends. Includes recording sheet and answer key.
Emoji Math Sort: Students determine if the answer on each task card is correct and mark it with a smile or frown emoji.
Game #1: Line Them Up! A fast-paced race where teams line up math cards in the correct order from START to FINISH by solving addition equations.
Game #2: Build a Farm! Students collect farm pieces for each correct answer. Chance cards make the game exciting and unpredictable!
Game #3: Whole-Class “Bucket Filler!” Students solve task cards placed around the room, check answers with the teacher, and earn entries into the prize bucket for correct solutions.
Game #4: Catch the Monsters! A small-group favorite where students solve task cards and sort monsters based on their sums.
Each activity includes recording sheets, answer keys, and both color and black-and-white versions to fit your classroom needs.
Teachers love how adaptable this add 3 numbers worksheets unit is! Use it for:
Math centers and partner stations focused on addition fluency
Morning work or early finisher activities
Small-group guided math for differentiated practice
Whole-class review before assessments or benchmark tests
Homework or intervention to reinforce 3-addend addition strategies
Students will learn to use strategies like counting on, making ten, and finding easier combinations (such as doubles) to efficiently solve problems.
This 1st grade math unit aligns with Common Core 1.OA.2, which focuses on:
Solving word problems that call for addition of three whole numbers whose sum is less than or equal to 20
Representing problems using objects, drawings, and equations
Building understanding of part-whole relationships between numbers
This unit provides repeated, structured practice that helps students master this standard while developing number sense and confidence with addition.
Teachers appreciate that this add 3 numbers math unit combines strategy-based learning with high engagement. The mix of worksheets, games, and movement activities gives students multiple ways to learn and show understanding.
Students enjoy themed games like Build a Farm and Catch the Monsters! that add excitement and variety, while teachers love the clear layout, simple prep, and built-in differentiation. Each component connects visual, symbolic, and hands-on practice, making this unit perfect for a wide range of learners.
This 1st Grade Math Unit is part of a full-year collection designed to make math practice hands-on, engaging, and low-prep. Each unit includes printable worksheets, center games, and interactive activities that help students build a deep understanding of key math concepts while having fun.
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• 1st Grade Math Mysteries
• 1st Grade Math Task Cards
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Planning to use this resource with more than one teacher or classroom?
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