Spell this
eleven
What number is this?
twenty
What comes next?
thirteen
What number is this?
eleven
What comes next?
fifteen
What comes next?
eleven
Spell this
fifteen
spell this
thirteen
Spell this
fourteen
What comes next?
sixteen
What number is this?
sixteen
What comes next?
twenty
What number is this?
seventeen
Spell this
twelve
What comes next?
seventeen
What number is this?
thirteen
What number is this?
eighteen
Spell this
eighteen