



Exercises
| Questions    | Tens | Ones | 
| How   many tens are there in fifteen? | _ | 5 | 
| How   many ones are there in sixteen? | 1 | _ | 
| How   many tens are there in twenty? | _ | 0 | 
| How   many ones are there in 14 | 1 | _ | 
Lessons in this series:
 
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