In this unit students will:
• continue to develop their understanding of and facility with addition and subtraction
• add up to 4 two-digit numbers.
• use a variety of models (base ten blocks- ones, tens, and hundreds only; diagrams; number lines; place value strategies; etc.) to add and subtract within one thousand. • become fluent with mentally adding or subtracting 10 or 100 to a given three-digit number.
• demonstrate fluency with addition and subtraction.
• understand the relationship between addition and subtraction (inverse operations).
• represent three digit numbers with a variety of different models (base ten blocks- ones, tens, and hundreds only; diagrams; number lines; place value strategies; etc.).
• recognize and use place value to manipulate numbers. • continue to develop their understanding of, and facility with, money.
• count with pennies, nickels, dimes, and dollar bills.
• represent a money amount with words or digits and symbols (either cent or dollar signs).
• represent and interpret data in picture and bar graphs.
• use information from a bar graph to solve addition and subtraction equations