Fraction Bars
Fraction Bars are a type of mathematical manipulative, developed in the sixties by Albert B. Bennett, Jr. They provide visual illustrations of mathematical operations with fractions to gain better understanding of these operations.
Fraction Bars
英语百科
- safe clearance的意思
- safe clearance working的意思
- SAFECO的意思
- safe code的意思
- safe coefficient的意思
- safe community的意思
- safe company的意思
- safe concentration的意思
- safe concentration of pollutant的意思
- safe concurrency control model的意思
- safe condition的意思
- Safe conduct的意思
- safeconduct的意思
- safe conducts的意思
- safe consciousness time的意思
- safe container的意思
- safe containment的意思
- safe control的意思
- safe copy的意思
- Safe Corridor的意思
- safecracker的意思
- Safe cracker的意思
- safecracker的意思
- safecracking的意思
- safecracking的意思