Celebrate the 100th Day of School with math that challenges and delights! This 2nd grade packet includes 10 self-checking riddle pages covering multi-step problems and mental math strategies — perfect for pushing students to apply everything they know about addition and subtraction.

HOW IT WORKS: Students solve 6 problems on each page, match each answer to a letter, and fill in the riddle boxes at the bottom to reveal a funny joke. It's completely self-checking — if the riddle makes sense, they got it right!

SKILLS COVERED (10 pages):

• One-Step Word Problems Within 1,000
• Two-Step Word Problems Within 1,000
• Mental Math: Adding and Subtracting 10
• Mental Math: Adding and Subtracting 100
• Compensation Strategy
• Near-Hundreds Mental Math
• Error Analysis
• Explaining and Justifying Strategy Choices
• Multi-Step Problems with Mixed Operations
• Mixed Review

WHAT'S INCLUDED:

• 10 color practice pages
• 10 black-and-white practice pages
• 10 answer key pages
• Student progress tracker
• Table of contents

PERFECT FOR:

• Warm-ups and bell-ringers
• Independent practice
• Small group review
• Homework
• 100th Day of School activities
• Early finishers
• Assessment prep