Addition & Subtraction Within 20 Math Puzzle Bundle | 1st Grade Math Centers

Are your students struggling with addition and subtraction within 20?

This bundle includes 4 puzzle-based math centers that help students build number sense through picture models, number bonds, equations, and word problems. Designed to build number sense, these puzzles have students match visual representations to number bonds, word problems, and addition/subtraction equations within 20.

**The puzzles are built for 1st graders. The… **

• Visuals are clear and spaced far enough to make finger counting easy for students who need it.
• Word problems are repetitive, and they reuse words to help reduce cognitive load for students who are still learning how to read
• Addition and subtraction puzzles reference and use doubles and doubles +1 strategies throughout
• Models are arranged in groups of 5, adding easy scaling for students who are ready to skip count and use mental math

This bundle includes 4 math centers:

• Addition Puzzles Within 20
• Subtraction Puzzles Within 20
• Part-Part-Whole Number Bond Puzzles Within 20
• Word Problem Puzzles Within 20

Differentiation:
All puzzles include 2 difficulty levels for easy differentiation.

**Targeted Skills: **

• Addition within 20
• Subtraction within 20
• Part-part-whole number bond relationships
• Matching picture models to equations, number bonds, and word problems
• Building number sense and conceptual understanding of addition and subtraction within 20

What’s Included:

• 4 puzzle-based math centers
• 28 puzzles in each resource, for a total of 112 puzzles in the bundle
• 2 difficulty levels in each resource for easy differentiation

How to use:

• Math centers
• Small group instruction
• Partner work
• Independent practice
• Early finisher work
• Review of addition and subtraction within 20
• Intervention and extra support for students who need more practice with visual models and math language

**Targeted Grades: **
These math puzzles are made and intended for Grade 1. Some first star addition and subtraction puzzles may be suitable for enrichment in Kindergarten. All of the 1 & 2 star puzzles can be used for BoY 2nd Grade fact fluency and intervention.