Ábaco Soroban estándar YMI, 17 columnas, 10,5 pulgadas | Ábaco soroban de 17 columnas, plástico ABS, 10,5 x 2,5 x 0,8 pulgadas, bordes redondeados, pesa 0,26 libras. Excelente herramienta para aprender matemáticas.

Descripción

Product description Experience the art of math with classic 14th Century calculator technology. Ideal for improving mental calculation skills. Ideal for Learning and Improving Math Skills Use abacus to teach your kids math fundamentals such as counting, addition, subtraction, multiplication, and division. It is also helpful for visually impaired individuals. To date, calculating with the help of an abacus is still being practiced by merchants and clerks in some countries. Abacus With a Modern Touch This 17 digit professional soroban abacus is a sturdy set measuring 10.5 x 2.5 x 0.8 inches (26.7 x 6.1 x 2 centimeters). Certified Safe This soroban abacus is Consumer Toy Safety Certified by the following: CSA (Canadian Standards Association)ASTM F963 (ASTM International)EN71-3/CE (European Union Standard) Digit Standard Abacus - Professional 17 Column Soroban Calculator Vintage Style Wooden Abacus w/ Reset Button - 17 Column Soroban Calculator Add to Cart Add to Cart Customer Reviews 4.5 out of 5 stars 2,066 4.5 out of 5 stars 2,066 Price $9.99$9.99 $26.99$26.99 Size 10.5 x 2.5 x 0.8” (26.7 x 6.1 x 2cm) 13.9 x 3.7 x 1.1” (35.2 x 9.5 x 2.7cm) ABS Plastic Wood

Características

• Timeless Reliability: A calculator in its classical form, the abacus/soroban features a system used before written numerals, and is still used in parts of the world by merchants, traders, and clerks
• An Ideal Montessori Math Tool: Make math practice more effective; Using an abacus as a math manipulative is a great way to teach kids how to count, equate and compute mentally
• Modern and Durable: This 17-digit professional soroban abacus is made from quality ABS plastic and measures 10.5 x 2.5 x 0.8 inches (26.7 x 6.1 x 2 centimeters)
• Great Portability: At 0.26lb (0.12kg), this abacus is made compact and handy so you or your kids can easily take it anywhere; Comes with rounded edges so your hands won't get hurt; Also, it never runs out of power!
• Arithmetic Education Must-Have: Manipulative tools such as this abacus is an important teaching supplement for your grade-schoolers' education; It can be used in teaching number concepts in remote learning or homeschooling settings; Abacuses are also a proven useful learning device for the visually impaired

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