Rounding app for iPhone and iPad

These engaging instructional videos teach rounding to the nearest 10 and rounding to the nearest 100.

Friendly characters teach an easy-to-follow, step-by-step visual process to help visual and auditory learners master estimation with rounding!

• Kid-friendly voiceovers show each step.

• The number line model helps children make sense of rounding rules.

• And attention to special cases (when the nearest 10 or 100 is zero) deepens understanding.

Aligned to the Common Core State Standards for Mathematics.
Grade 3 standard: 3_OA 8: . . . use estimation strategies including rounding.
Grade 4 standard: 4_OA 3: . . . use estimation strategies including rounding.