Key Educational Tools for Math Learning

Materials for Understanding Fractions

Strips can assist in the study of fractions. The Dienes Multibase Blocks are a valuable resource, consisting of a set of wooden pieces that form:

  • Unit Cubes (1cm cubes)
  • Rods (equal to 10 unit cubes)
  • Flats (equal to 10 rods or 100 unit cubes)
  • Large Blocks (equal to 10 flats or 1000 unit cubes)

These pieces can be arranged in various ways to represent numbers and fractions. For example, a unit cube is one-tenth of a rod, a rod is one-tenth of a flat, and a flat is one-

Read More

Lighting Receiver Installation: Electrical Safety & Standards

ITC-BT-44: Lighting Receiver Installation

1. Purpose and Scope

This instruction applies to receiving facilities for lighting (luminaires). A receiver is defined as lighting equipment or a device that uses electrical energy for lighting indoors or outdoors.

2. Special Conditions for Lighting Components

2.1.1. Suspensions and Adjusting Devices

The mass of suspended luminaires with exceptionally flexible cables should not exceed 5 kg. The conductors, which must be able to support this weight, should not

Read More

Hydraulic Systems: Principles, Components, and Benefits

Advantages of Hydraulic Systems

  • Easy Speed Regulation: Oil, being an incompressible fluid, allows for easy and accurate speed variation in hydraulic or oleohydraulic actuators.
  • Transmission of High Power: These systems enable the transmission of greater power per unit volume, achieving high-performance transmission.
  • Precise Position Control: Thanks to the fluid’s incompressibility, an actuator can stop at any position with a high degree of accuracy.
  • Reversibility of Actuators: The direction of rotation
Read More

Radiographic Splints for Dental Implant Planning

The radiographic splint is a fixture constructed from a diagnostic wax-up, i.e., on the study model, the prosthesis is modeled in wax or other material to restore teeth with ideal morphology and position that we aim to replicate in the patient’s mouth. This allows us to consider and decide, together with the radiological study, the number of implants that will be placed, their location, and the most suitable angulation.

The use of a radiographic splint is helpful for:

  • Determining the number, angle,
Read More

Network Protocols: Physical & Data Link Layer Essentials

Physical Layer Protocols

1. Slower Wireless Network Performance

What is a reason for slower network performance on a wireless network?

  • The performance is based on the distance from a Wireless Access Point (WAP). The further, the weaker.
  • This can mean less bandwidth or no wireless connection.

2. Data Flow Process from Source to Destination Node

Explain in detail each step of the process that data undergoes from a source node to a destination node.

  1. The user data is segmented by the transport layer, placed
Read More

Building Construction Vocabulary: Framing Essentials

Chapter 15: Floor Framing Terms

Content Vocabulary

Girder
The girder supports the floor joists by carrying the weight of the structure above it.
Box sill
A box sill is constructed by placing the sill plate on the foundation and attaching the band joist.
Subflooring
The subflooring is secured to the joists to provide a stable base for the finished flooring.
Crown
The crown of a joist should always be positioned upward to account for deflection over time.
Bridging
Bridging between floor joists prevents twisting
Read More