She thanksed me to care about her and the childrefor my concern.

Someone else already corrected your grammar. However, I think this sentence^^ is more natural.

Today is the 97 day 97 of my daily English challenge.

Today I called my mother to knask how sher news and the children tooare doing.

not sure what you wanted to say but this sounds more natural.

She thanks me tofor careing about her and the children.

I want to took rest because I feel very tired,. Then tomorrow I will be starting reviewing my English lessons.

Today is the 97th day of my daily English challenge.

or

Today is Day 97 of my daily English challenge.

Today I called my mother to knowhear of her news and that of the children, too.

This is more natural in the US:

Today I called my mother to hear how she and the children are doing.

She thanksed me tofor care abouting for her and the children.

This is past tense.

I want to tookake a rest because I feel very tired, T and then tomorrow I will be starting reviewing my English lessons.

or,

I want to take a rest because I feel very tired. Then tomorrow I will start reviewing my English lessons.