Mathematik entdecken und entwickeln

Marsoni

M251S

$17.50

Get it in 3 business days with 1 day shipping. Friday, May 29

Mathematik entdecken und entwickelnIm dritten Band der Praxisbuch Reihe erreichen die Kinder in kleinen Schritten die Multiplikation. Sie vervielfachen zuerst konkrete Gegenstnde als Basiseinheiten des Zahlensystems bis sie ber immer abstraktere Zahldarstellungen zur schriftlichen Darstellung des Rechenprozesses gelangen. Der Weg zum Multiplikationsalgorithmus ist systematisch und strukturiert. Zunchst werden kleine Bausteine wie die Multiplikation mit Basiswerten, mit einstelligen

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Buy a longer launcher!!! I got what I paid for! A 12.2 inch launcher does not build up enough energy to throw it very far and it is tweaking my elbow. The dog is very disappointed since the ball only goes about 30 feet. I’ll keep it for small dog park use. The balls are hard and my 22 pound Cockapoo can’t get it to squeak.

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Reviewed in the United States on May 10, 2026

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Rob Settle

Pawtucket, US

★★★★★ 5

These are dog tested and approved.

Size: 1-pack

The launcher works very well and will probably last forever unless your dog chews it up while bring it to you to get you to play, but the balls, well, they're not made for labs, that's for sure. That's the bad news. The good news is that worn out or abandon tennis balls fit the launcher just fine. Save your throwing arm. Do your dog(s) a favor. Buy this thing.

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Reviewed in the United States on October 13, 2022

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DoubleM

Battle Creek, US

★★★★★ 1

No angle for correct throwing

Size: 1-pack, Size: 1-pack

This item does not work. It is about ) inches tall. It’s tiny to bend over and pick up the ball. Has no angel for the ball to throw accurately. Ball goes downward. Would not recommend

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Reviewed in the United States on June 30, 2024

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Michelle W.

Battle Creek, US

★★★★★ 5

👍

Size: 1-pack

Good travel size. Works well.

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Reviewed in the United States on August 24, 2025

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