COMPETENCY 9: Add and subtract integers; using concrete models (e.g., counters, integer chips), pictorial models (e.g., bar models, number lines), and with integers written as numerals.
COMPETENCY 10: Multiply and divide integers.
COMPETENCY 9: Add and subtract integers; using concrete models (e.g., counters, integer chips), pictorial models (e.g., bar models, number lines), and with integers written as numerals.
COMPETENCY 10: Multiply and divide integers.