Often when students have difficulty with whole number computation, there is a deeper problem. They do not understand the base ten number system. Before beginning an intervention on whole number computation, use one of these place value interviews to learn how the student unitizes with groups of ten.

More information here: Diagnose: Place Value Ideas

Mathematics interventions should be carefully chosen and should include the following (NCII):

• explicit instruction

• connections between multiple representations

• use of concise, accurate language

• fluency building component

• problem-solving instruction

• motivational component

More information here: Intervene: Place Value Ideas

Progress monitoring should include a general outcome measure (curriculum-based measure) and a mastery measure (curriculum-embedded measure).

Use a valid and reliable progress monitoring measure. This training is recommended: Best Practices in Math Progress Monitoring.

More information here: Progress Monitor: Place Value Ideas