Podcast
Questions and Answers
If a wire was originally 7.8 metres and one piece measures 1.4 metres, what is the length of the other piece?
If a wire was originally 7.8 metres and one piece measures 1.4 metres, what is the length of the other piece?
6.4 metres
How would you set up an equation to find the length of the remaining piece of the wire?
How would you set up an equation to find the length of the remaining piece of the wire?
Let x be the length of the other piece; the equation would be $x = 7.8 - 1.4$.
What mathematical operation is primarily used to solve for the other piece of wire's length?
What mathematical operation is primarily used to solve for the other piece of wire's length?
Subtraction
If the wire were to break into three pieces instead, with one piece still being 1.4 metres, what information would you need to solve for the other two pieces?
If the wire were to break into three pieces instead, with one piece still being 1.4 metres, what information would you need to solve for the other two pieces?
What concept in mathematics allows us to find the length of the remaining piece of wire?
What concept in mathematics allows us to find the length of the remaining piece of wire?
Flashcards
Wire length
Wire length
The total length of the wire before it broke
Broken piece 1
Broken piece 1
A piece of the wire with a length of 1.4 meters.
Broken piece 2
Broken piece 2
The remaining part of the wire after the first piece was broken off.
Total length of wire
Total length of wire
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Calculating the unknown length
Calculating the unknown length
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Study Notes
Word Problem
- A piece of wire, 7¾ meters long, was broken into two pieces.
- One piece was 1¾ meters long.
- Find the length of the other piece.
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