An Open Number Can Be Used Effectively for Thinking About

question 17

Multiple Choice

An open number can be used effectively for thinking about addition and subtraction.All of the reasons below support the use of an open number line EXCEPT:

• A)Is less flexible than a numbered line.
• B)Eliminates confusion with hash marks and spaces.
• C)Less prone to computational errors.
• D)Helps with modeling student thinking.

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Definitions:

Truck Disc Wheels

Wheels made for trucks that feature a flat disc design, commonly constructed from steel or aluminum, providing support for the tire.

Alignment Problems

Issues affecting a vehicle’s wheel alignment, which can lead to uneven tire wear, steering difficulties, and reduced fuel efficiency.

Wheel Bearings

Wheel bearings are mechanical assemblies that support the rotation of a vehicle's wheels, reducing friction and ensuring smooth motion.

Non-Unitized Wheel Hubs

Wheel hub assemblies where the components, including bearings and the hub, are separable and replaceable, contrary to unitized hubs which are sealed.