Story Problems
Presentation
•
Mathematics
•
7th Grade
•
Practice Problem
•
Medium
+5
Standards-aligned
Curtis Armantrout
Used 28+ times
FREE Resource
8 Slides • 10 Questions
1
Story Problems
Applying Multiplication and Division to real world situations
2
Introduction - Steps to Solving Word Problems
Read the problem carefully, and look for words indicating math operations of adding, subtracting, multiplying and dividing
Decide if the values in the problem represent positive values or negative values
3
Other things to remember
Problems that involve repeated addition (doing something multiple times) are multiplication problems
The words "per" and "for each" usually indicate a division problem
Drawing a picture/a visual will almost always help you when solving story problems
4
Multiple Choice
Henry made three withdrawals of $2 each from his savings account. What was the change in his balance?
How many withdrawals did he make?
three
two
5
Multiple Choice
Henry made three withdrawals of $2 each from his savings account. What was the change in his balance?
How much did he take out on each withdrawal?
$3
$2
6
Multiple Choice
Henry made three withdrawals of $2 each from his savings account. What was the change in his balance?
What operation should you use to solve this problem?
Addition
Subtraction
Multiplication
Division
7
Multiple Choice
Henry made three withdrawals of $2 each from his savings account. What was the change in his balance?
Will the change be positive or negative?
Positive
Negative
8
Open Ended
Henry made three withdrawals of $2 each from his savings account. What was the change in his balance?
Write an expression that would help you solve this problem.
9
Henry made three withdrawals of $2 each from his savings account. What was the change in his balance?
Taking money out (withdrawal) is a negative change.
He completed this change 3 times
He took out $2 each time
An equation you can use to solve this is -3(2) = -6
10
Open Ended
You try! Write the equation and solution for the following problem:
Flora made seven withdrawals of $75 each from her bank account. What was the overall change in her account?
11
Flora made seven withdrawals of $75 each from her bank account. What was the overall change in her account?
Taking money out (withdrawal) is a negative change.
She completed this change 7 times
He took out $75 each time
An equation you can use to solve this is -7(75) = -525
12
Time-out
Look at your paper and solve problems 1-4
13
Open Ended
Let's do some more!
The Question: Clark made four of his truck payments late and was fined four late fees. The total change to his savings from the late fees was (-$40)
First, how many truck payments were late?
14
Open Ended
Clark made four of his truck payments late and was fined four late fees. The total change to his savings from the late fees was (-$40)
How much was one late fee?
What was the total change?
15
Multiple Choice
Clark made four of his truck payments late and was fined four late fees. The total change to his savings from the late fees was (-$40)
Addition
Subtraction
Multiplication
Division
16
Open Ended
Clark made four of his truck payments late and was fined four late fees. The total change to his savings from the late fees was (-$40)
Write an equation you could use to find out how much one late fee cost. Include the solution in the equation.
17
Clark made four of his truck payments late and was fined four late fees. The total change to his savings from the late fees was (-$40)
He made 4 truck payments late
The total amount he was charged was -$40
An equation you can use to solve this is...
18
All done
Look at your paper and solve problems 5-8
Story Problems
Applying Multiplication and Division to real world situations
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