Printable Worksheets for Kids Online - SplashLearn Math Worksheets; ELA Worksheets; Online Tutoring. Log in Sign up Filter Home > Worksheets. Worksheets for Kids ... Doubles and Near Doubles Strategy to Add (4) Doubles Facts (2) Addition Strategies within 100 (8) Add using multiples of 10 (8) Addition Strategies within 1000 (10) Add using multiples of 100 (10) Addition Facts (96) Fluently Add within 5 (12) Fluently …