Lesson details Key learning points Secure understanding of one more/one less using a variety of manipulatives .Use the stem sentence one more than... one less than...Identify a missing number in a sequence.Keywords One more - The next number in the count is one more than the number before and there will be one more object in the set.One less - The previous number in the count is one less than the next number and there will be one fewer object in the set.Common misconceptionGetting numbers in the