Lesson: More and Less: One, Ten, or One Hundred Mathematics

Students will be able to

• use models to show 1, 10, or 100 more or less than a number,
• find 1, 10, or 100 more or less than a given number,
• add or subtract 1, 10, or 100 from a number,
• understand how the digits change,
• understand that sometimes we need to regroup.