विचारों
3:56
Addition using fingers | Mental addition | addition techniques | Grade 1 | Grade 2
16:06
Math Quiz for Kids | One Digit Addition Quiz | Mental Math Quiz for Kids | Quiz Time
1:10
Grade 2 Math: Addition Solution
4:41
A 12-year-old app developer | Thomas Suarez | TED
5:42
iPhone and Android Games That'll Actually Engage Your Brain
16:57
MY TOP 10 APPS FOR GAME-BASED LEARNING | FOR FREE
7:25
Math. Addition for 1st and 2nd grade.
59:22
Meet the Math Facts - Addition & Subtraction Level 1 (FREE) | Preschool Prep Company