Videos > Multi-step word problems (example 1)
Multi-step word problems (example 1) Video Lecture
FAQs on Multi-step word problems (example 1) Video Lecture
| 1. What is a multi-step word problem? |  |
A multi-step word problem is a mathematical problem that requires multiple steps or operations to be solved. It usually involves several pieces of information or conditions that need to be analyzed and combined to find the final solution.
| 2. How do you approach solving a multi-step word problem? | |
To solve a multi-step word problem, it is essential to carefully read and understand the problem statement. Break down the problem into smaller steps or sub-problems, and identify the necessary operations or formulas needed to solve each step. Solve each step one by one, making sure to keep track of the correct order of operations. Finally, combine the results of each step to find the solution to the original problem.
| 3. Can you provide an example of a multi-step word problem? | |
Sure! Here's an example: "A fruit vendor sells 3 crates of apples and 5 crates of oranges every day. Each crate of apples contains 20 apples, and each crate of oranges contains 15 oranges. If each apple costs $0.50 and each orange costs $0.30, how much money does the vendor make in a week?"
To solve this problem, you would need to calculate the number of apples and oranges sold in a week, calculate the total cost of each fruit, and then add them together to find the final answer.
| 4. What are some strategies to make solving multi-step word problems easier? | |
One strategy is to underline or highlight key information in the problem statement to help identify the necessary steps and operations. Another strategy is to draw diagrams or make visual representations to better understand the problem. Breaking down the problem into smaller sub-problems and solving them one by one can also make the overall problem more manageable. Additionally, practicing solving various multi-step word problems can improve problem-solving skills and make them easier to tackle in the future.
| 5. Are there any common mistakes to avoid when solving multi-step word problems? | |
Yes, some common mistakes to avoid include misinterpreting the problem statement or missing important details. It's crucial to carefully read and understand the problem before attempting to solve it. Another common mistake is not following the correct order of operations, which can lead to incorrect results. It's also important to double-check calculations and ensure that each step is solved accurately before moving on to the next one.
Text Transcript from Video
Joelle is working on a school
report in a word processor.
She wants to place a figure
which is 13.09 centimeters wide
so that it appears
centered on the page.
The width of the page
is 21.59 centimeters.
How much margin should
she leave on the left
so that the figure is centered?
So let's visualize
what's going on.
We have a page that's
21.59 centimeters wide.
So this distance right over
here is 21.59 centimeters.
So this right over
here, that is our page.
Let me draw the actual page.
Let me draw that in white,
since paper tends to be white.
So this is her page.
It's 21.59 centimeters wide.
It's just like that.
It's a little unusual
dimension for a piece of paper.
But we'll go with it.
And then she wants to
place a figure that
is 13.09 centimeters wide
in the center of the page.
So the figure-- I'll
do it in magenta.
That's not magenta.
The figure is 13.09 centimeters.
So let's say that this is
the figure right over here.
So this is the
figure that she wants
to place in the
middle of the page.
So this is 13.09 centimeters.
So the question is, how
much margin should she
leave on the left so that
the figure is centered?
So they're really asking,
what should this distance
be here so that the
figure is centered?
And the key thing is, if
the figure is centered,
this distance is going to be
the same as this distance,
so that the figure is
right in the middle.
Whatever this is, it's going
to be the same as this.
So one way we could
think about it--
we could say, OK, let's take
13.09 centimeters from 21.59
centimeters.
And if we do that,
then we'll know
how much leftover space
this plus this combined is.
And then we just want to
split that space in half.
We want half of it to
go on the right side,
and we want half of it
to go on the left side.
So let's see how much this left
margin and the right margin
combined need to be.
And that's just 21.59.
That's just going to be
21.59 centimeters minus 13.09
centimeters.
And this, we get to-- let's see.
This is 8.50 centimeters,
which is the combined margins.
Not just the left or
not just the right--
this is the left plus the right
margin, is 8.50 centimeters.
This is this distance
plus this distance.
Now, if we want to figure out
what the left margin should be,
if we want to center it.
Well, we just want
to split this evenly
between the left and
the right margin.
So we just want to
divide this by 2.
So if you divide 18.50 by 2--
or multiply it by 1/2, I guess.
That might be a little bit
more obvious-- either way.
So if we multiply this by 1/2,
you are left with 1/2 of 8.50,
is 4.25 centimeters.
So if we want it
centered, this is
going to be 4.25 centimeters.
And of course, this is going to
be 4.25 centimeters, as well.
And you see, when
you add 4.25 to 4.25,
you get 8.5 centimeters.
And then you add that to 13.09.
You get the entire width
of the piece of paper.
So how much margin should
she leave on the left?
4.25 centimeters.
report in a word processor.
She wants to place a figure
which is 13.09 centimeters wide
so that it appears
centered on the page.
The width of the page
is 21.59 centimeters.
How much margin should
she leave on the left
so that the figure is centered?
So let's visualize
what's going on.
We have a page that's
21.59 centimeters wide.
So this distance right over
here is 21.59 centimeters.
So this right over
here, that is our page.
Let me draw the actual page.
Let me draw that in white,
since paper tends to be white.
So this is her page.
It's 21.59 centimeters wide.
It's just like that.
It's a little unusual
dimension for a piece of paper.
But we'll go with it.
And then she wants to
place a figure that
is 13.09 centimeters wide
in the center of the page.
So the figure-- I'll
do it in magenta.
That's not magenta.
The figure is 13.09 centimeters.
So let's say that this is
the figure right over here.
So this is the
figure that she wants
to place in the
middle of the page.
So this is 13.09 centimeters.
So the question is, how
much margin should she
leave on the left so that
the figure is centered?
So they're really asking,
what should this distance
be here so that the
figure is centered?
And the key thing is, if
the figure is centered,
this distance is going to be
the same as this distance,
so that the figure is
right in the middle.
Whatever this is, it's going
to be the same as this.
So one way we could
think about it--
we could say, OK, let's take
13.09 centimeters from 21.59
centimeters.
And if we do that,
then we'll know
how much leftover space
this plus this combined is.
And then we just want to
split that space in half.
We want half of it to
go on the right side,
and we want half of it
to go on the left side.
So let's see how much this left
margin and the right margin
combined need to be.
And that's just 21.59.
That's just going to be
21.59 centimeters minus 13.09
centimeters.
And this, we get to-- let's see.
This is 8.50 centimeters,
which is the combined margins.
Not just the left or
not just the right--
this is the left plus the right
margin, is 8.50 centimeters.
This is this distance
plus this distance.
Now, if we want to figure out
what the left margin should be,
if we want to center it.
Well, we just want
to split this evenly
between the left and
the right margin.
So we just want to
divide this by 2.
So if you divide 18.50 by 2--
or multiply it by 1/2, I guess.
That might be a little bit
more obvious-- either way.
So if we multiply this by 1/2,
you are left with 1/2 of 8.50,
is 4.25 centimeters.
So if we want it
centered, this is
going to be 4.25 centimeters.
And of course, this is going to
be 4.25 centimeters, as well.
And you see, when
you add 4.25 to 4.25,
you get 8.5 centimeters.
And then you add that to 13.09.
You get the entire width
of the piece of paper.
So how much margin should
she leave on the left?
4.25 centimeters.
About this Video
Oct 04, 2025
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