Description
- The slider selects a number from the box and the circle sums up and down. The moving board can calculate mathematical addition and subtraction.
- High-quality materials:Clear figures protect the eyes, high-quality wood, each piece of wood is carefully selected, scientific chamfered, smooth surface without burrs, and will not hurt your fingers during the learning process.
- Mathematical enlightenment tool: The digital decomposition rule can be 0-10 addition and subtraction, which is a good help for children's mathematical enlightenment.
- Developing learning interests: This early childhood puzzle decomposition rule can make your baby not feel dull and bored while studying, and easier to learn in deeper memory.
- Home and school can use it: In family education, parents can be used to guide children. In schools, teachers can be used as teaching tools. Good choice.
Hi, welcome to the Gesn store and wish you a happy shopping trip! ❤Main feature : Easy to use. ❤Scenes to be used:Family/school. ❤Material: high quality beech. ❤Size: 33×6cm(12.99 x 2.36 inches). ✔✔✔Instructions: ✔For example: 3+3=? ✔Align the 3 of the upper and lower lines of the ruler. The number in the circle is the answer. ❤❤❤Package Contents: ❤1PC digital decomposition ruler. ✔✔✔Note: —Due to differences in monitors and lighting effects, the actual color of the item may differ slightly from the color displayed on the image.
