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Meet the Number Heroes: Starting Our Adventure

Chapter 1: The Number Line Path

Chapter 2: Treasure Piles and Taking Away

Chapter 3: Fact Friends Within 10

Single-Digit Quests: Adding and Subtracting Within 20

Chapter 4: Making Ten Magic

Chapter 5: Count-On and Count-Back Trails

Quiz 1: Hops on the Number Line

Quiz 2: Make Ten to Win

Quiz 3: Count-On Challenge

Quiz 4: Count-Back Cave

Quiz 5: Fact Family Fortress

Double-Digit Journeys: Adding Without and With Regrouping

Chapter 6: Tens and Ones Team Up

Chapter 7: Add by Place: No Regrouping

Chapter 8: Add and Regroup the Ones

Quiz 6: Tens and Ones Warm-Up

Quiz 7: Add Tens and Ones (No Regrouping)

Quiz 8: Regrouping Rally

Quiz 9: Choose Your Strategy

Quiz 10: Story Problems—Addition

Double-Digit Adventures: Subtracting Without and With Regrouping

Chapter 9: Compare, Take Apart, and Think Backward

Chapter 10: Subtract by Place: No Regrouping

Chapter 11: Regroup a Ten into Ten Ones

Quiz 11: Subtraction Models Check

Quiz 12: Subtract No Regrouping

Quiz 13: Subtract With Regrouping

Quiz 14: Missing Addend Mysteries

Quiz 15: Story Problems—Subtraction

Mixed Missions: Facts, Fluency, and Sense-Making

Chapter 12: Add or Subtract? Decide the Operation

Chapter 13: Mental Math Shortcuts

Quiz 16: Operation Detective

Quiz 17: Mental Math Mix

Quiz 18: Double-Digit Mash-Up

Quiz 19: Check With the Inverse

Quiz 20: Word Problem Workshop

Fun Facts and Fluency Labs

Chapter 14: Doubles and Near Doubles Stories

Chapter 15: Tens Partners and Make 100

Quiz 21: Doubles Dash

Quiz 22: Make Ten Sprint

Quiz 23: Next Ten Bridge

Quiz 24: Tens and Hundreds Friends

Practice Quests: Spiral Review and Mastery

Chapter 16: Map of Mixed Review

Quiz 25: Mixed Review I

Quiz 26: Mixed Review II

Quiz 27: Picture Problems

Quiz 28: Timed Facts Fun

Quiz 29: Real-Life Math Missions

Quiz 30: Final Adventure Checkpoint

Celebrate and Reflect

Chapter 17: We Are Math Adventurers

Course Feedback: Your Adventure Thoughts

Turn math time into an epic adventure! Mastering Single and Double Digit Addition and Subtraction is a kid-friendly, classroom-tested course that builds confident problem solvers from the ground up. Learners meet Number Heroes, travel along number lines, collect treasure piles, and use place-value power to add and subtract within 20 and through double-digit numbers—with and without regrouping. Each chapter mixes visual models (number lines, ten-frames, base-ten blocks) with clear strategies like make-ten, count-on/back, doubles and near doubles, and expanded form. Short, gamified quizzes (30 total!) keep practice fun and focused, while word-problem missions strengthen real-world sense-making. Students discover how addition and subtraction are connected, check work with the inverse, and choose efficient strategies for any situation. Perfect for grades 1–3 or anyone needing a confidence boost, the course spirals skills for long-term mastery and includes mental math tricks for speed and accuracy. By the finale, your learner will navigate story problems, regroup with ease, and explain their thinking like a true Math Adventurer.

Mastering Single and Double Digit Addition and Subtraction

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            <p>Numbers are more than symbols on a page—they’re heroes on a grand adventure. In this course, Mastering Single and Double Digit Addition and Subtraction, learners journey across number lands where hops on the number line reveal pathways, treasure piles grow and shrink, and fact families keep the peace. We begin by meeting our Number Heroes and learning how the number line up to 100 becomes a map: steps to the right add, steps to the left subtract. With real objects, pictures, and ten-frames, stories turn into equations and tiny “fact friends within 10” become trusty companions who help us solve, check, and explain.</p>

<p>As the quest deepens, single-digit challenges within 20 unlock “Making Ten” magic and the count-on and count-back trails. Quick quizzes become checkpoints—short trials that sharpen aim before the next leap. Soon, tens and ones team up for double-digit journeys, where base-ten blocks build towns, expanded form lays roads, and regrouping trades ten ones for a mighty new ten. Subtraction adventures follow, showing how to compare, take apart, and think backward, with bar models, number lines, and missing addend mysteries guiding the way. Finally, mixed missions weave everything together: deciding the right operation, using mental math shortcuts, befriending doubles and near-doubles, and making partners to 10 and 100. Spiral reviews keep skills agile, real-life missions add purpose, and the final checkpoint celebrates growth. By the end, every learner can say, “We are math adventurers,” ready to set new goals and chart the next map—with confidence, strategy, and number sense lighting the trail.</p>
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