This 3rd grade resource was designed for students in Kern County at an expanding level in English proficiency.

Help your students master Estimating Sums with this interactive and engaging lesson designed to meet Standard 3.NBT.2! Students will practice rounding numbers to the nearest 10 or 100 to estimate sums, developing their number sense and problem-solving skills. This dynamic slide presentation includes everything you need to make math fun, collaborative, and accessible for all learners.

Key Features:

• Vocabulary Introduction: Simple, student-friendly definition of key term “estimate,” paired with visuals to reinforce understanding.
• Guided Examples: Step-by-step examples that show how to round numbers and use those estimates to solve addition problems.
• Jeopardy-Style Game: An exciting team-based game where students apply their estimation skills in a fun and competitive setting, promoting collaboration and engagement.
• Exit Ticket: A quick, targeted assessment to ensure students can independently round and estimate sums with confidence.

Supports for All Learners:

• UDL Scaffolds:
  • Place value charts for visual learners.
  • Multiple ways to participate, including partner discussions, group games, and independent practice.
• ELD Scaffolds:
  • Sentence starters to help students explain their rounding and estimation process.
  • Peer modeling and group activities to practice math language in a supportive environment.
  • Clear, simplified instructions with visual supports for English learners.

This lesson combines fun and rigor to help students build essential skills in estimating sums. Through interactive activities, collaborative learning, and meaningful practice, your students will leave the lesson confident in their ability to round and estimate like pros!

Template Link: Lesson 3: Estimate Sums