Build confidence with 3rd grade addition and subtraction through 20 days of engaging, hands-on math instruction! Magic of Math Unit 2 focuses on multi-digit addition, 3-digit subtraction with regrouping, estimating solutions, and solving addition and subtraction word problems.

Students develop their understanding through mini-lessons, hands-on activities, games, interactive notebooks, word problems, and independent practice.

Week 1: Multi-Digit Addition

Students explore multiple strategies for addition, including:

• Associative Property of Addition
• Commutative Property of Addition
• Breaking apart addends
• Multi-digit addition
• Addition with regrouping

Week 2: 3-Digit Subtraction

Students build their understanding of:

• 3-digit subtraction
• Subtraction with regrouping
• Place value within subtraction
• Determining when regrouping is necessary
• Applying subtraction strategies

Week 3: Estimating Solutions

Students practice:

• Estimating sums
• Estimating differences
• Using rounding to estimate
• Determining reasonable answers
• Applying estimation to addition and subtraction

Week 4: Word Problems

Students apply their addition and subtraction skills while:

• Solving one-step word problems
• Solving multi-step word problems
• Choosing appropriate operations and strategies
• Applying addition and subtraction skills
• Explaining their mathematical thinking

These four areas make up the complete 20-day unit.

What's Included

• 20 days of detailed lesson plans
• Mini-lessons
• Hands-on math activities
• Math games
• Interactive notebook activities
• 20 word problems
• Vocabulary cards
• I Can statements
• Independent practice
• Quick assessments
• Cumulative unit assessment

Magic of Math combines explicit instruction with active student practice so students can develop both computational skills and a deeper understanding of addition and subtraction.

With easy-to-prep activities, games, and practice opportunities, this unit can be used for your daily math instruction or alongside your existing curriculum to reinforce important 3rd grade addition and subtraction skills.

Standards: Aligned with 3rd Grade Common Core Math Standards and Texas TEKS as identified throughout the unit.