<prompt> A child of 5 years can use sentences of around how many words?6 words10 words100 words250 words  <response>: Ans. is b i.e., 10 words Although a child has a vocabulary of 250 words at 3 years, the child can use sentence of 10 words at 5 years. At 18 months, the child can use 10 words with meaning.Other milestones asked in the question are achieved in children older than 18 months Making a tower of 9 cubes - 30 months Turn pages of book one at a time - 2 years Ride tricycle - 3 yearsMilestones achieved at 18 months of age Starts running runs stiffy Can feed himself from a cup. Can use 10 words with meaning. Name pictures Builds tower of 4 cubes. Ready for starting toilet training. Copies parents in task. 