1.OA.A.1
Word problems within 20
Use addition and subtraction within 20 to solve word problems with objects, drawings, and equations.
Grade Level: 1st Grade · Domain: Operations and Algebraic Thinking
Print worksheetRelated Skills
Games Aligned with 1.OA.A.1
Practice this standard with these free games.
Ant War: Merge and Battles
Archer War: Merge
Chess Merge
Defender: Tanks Merge
Epic Arena Merge & Destroy
FireLine: Merge Defense
Hair Salon
Hair Salon Playtime
Hairstyles: Beauty Salon
Hairstyles for babies: Beauty Salon
Hairstylist: Girl Hair Salon
Halloween Makeup Trends
High Fashion!
High School BFF Dress Up
Mahjong Slide & Merge
Merge Animals Forest Defense
Merge Battle: Breinrot vs Sprunki
Merge Battle Fight
Mergecraft: Tower defense
Merge dominoes. Get to thirteen!
Merge Mercs: Tower Defense TD
Merge Peashooters Hybrids: Evolution!
Merge Plants and Zombies
Penguins: Merge & War
Pumpkin Defense: Merge Cannon
Solitaire 2048: No Limit
The Horrible maze of Granny
The Last Stand: Merge and Defense
Undead Defenders: Soul Merge
Zombie Towers: Merge TD DefenseMore Standards in This Domain