Addition
Grade 1 Math · Pennsylvania, USA
Learn to add numbers within 20 using objects, drawings, and equations.
Lessons
Adding Within 10
Learn how to add two numbers that give a sum of 10 or less.
Adding Within 20
Practice adding two numbers that give a sum up to 20.
Adding Doubles
Discover what happens when you add a number to itself.
Adding Three Numbers
Learn how to add three numbers together by grouping two of them first.
Word Problems: Addition
Solve short stories that ask you to add numbers together.
People Also Ask
What topics are in Addition for Grade 1 Math?+
The Addition chapter covers multiple lessons aligned to the Pennsylvania curriculum. Browse all lessons below to see the full topic list.
Is Addition part of the Pennsylvania curriculum?+
Yes, Addition is part of the official Grade 1 Math curriculum in Pennsylvania, USA.