TOPIC
MY PROGRESS
Pug Score
0%
Getting Started
"Let's build your foundation!"
Best Streak
0 in a row
Study Points
+0
Overview
Practice
Next Steps
Get Started
Get unlimited access to all videos, practice problems, and study tools.
Unlimited practice
Full videos
BACK TO MENU
Topic Progress
Pug Score
0%
Getting Started
"Let's build your foundation!"
Best Practice
No score
Best Streak
0 in a row
Study Points
+0
Overview
Practice
Next Steps
Overview
Grade 1
Number
8. Demonstrate an understanding of addition of numbers with answers to 20 and their corresponding subtraction facts, concretely, pictorially and symbolically
8.4 Addition facts up to 20
Addition facts up to 20
What You'll Learn
Recognize addition facts and their sums for numbers up to 20
Identify related addition facts using commutative property
Apply addition properties to solve problems quickly and accurately
Build automatic recall of basic addition combinations
What You'll Practice
1
Selecting related addition facts from given equations
2
Identifying equivalent addition expressions
3
Matching addition facts that use the same numbers
Why This Matters
Mastering addition facts up to 20 builds the foundation for all future math. Quick recall of these facts helps you solve multi-digit problems, work with fractions, and tackle algebra with confidence and speed.
This Unit Includes
Practice exercises
Skills
Addition Facts
Basic Operations
Number Sense
Commutative Property
Mental Math
PEI Curriculum Aligned