Question

1) Gracie has a piece of wood that is 5 feet long to use for two projects. She uses 2 feet of the wood on her first project. Which statement describes how a number line can be used to find the length of wood Gracie has remaining for her second project? * Start at 5 and then move left 2 Start at 5 and then move right 2 Start at 2 and then move left 5 Start at 2 and then move right 5

Answer 1

Answer:

Start at 5 and then move left 2

Step-by-step explanation:

Given:

Length of a piece of wood with Gracie = 5 feets

Length of a piece of wood used on the first project = 2 feets

To find: statement that describes how a number line can be used to find the length of wood Gracie has remaining for her second project

Solution:

The statement that describes how a number line can be used to find the length of wood Gracie has remaining for her second project is

Start at 5 and then move left 2

In this way $5-2=3$

That is Gracie has now 3 feets of wood available that can be used for her second project.

Answer 2

Using the concept of a number line, the number of wood grace has left would be Start at 5 and then move left 2

Using the concept of a number line :

• Positive values are to the right of 0 ; hence, the initial amount of wood grace has is +5

• Using two feets from the initial length, then we would Subtract 2 from the the initial value ;

• To perform subtraction on a number line, we count to the left ;

Therefore, the correct statement is Start at 5 and then move left 2

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