
Age-Related Problem Solving Techniques
Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Hard
Thomas White
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in solving age-related problems?
Identify the present age as a variable
Use a calculator
Draw a timeline
Guess the ages
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If a person's age is X years now, what will it be in 15 years?
15X
X + 15
X - 15
X/15
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you represent a person's age 15 years ago if their current age is X?
X + 15
X - 15
X/15
15X
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the equation for Krishna's age if he will be 5 times his age 5 years ago in 15 years?
X - 15 = 5(X + 5)
X + 15 = 5(X - 5)
X + 5 = 5(X - 15)
X - 5 = 5(X + 15)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If A is 2 years older than B, who is twice as old as C, how do you express A's age?
2 + 2X
2X + 2
X + 2
2X - 2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a problem where ages are given in a ratio, what should you do if the future age is mentioned?
Multiply the ratio
Add the years
Divide the ratio
Subtract the years
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you solve a problem where the sum of ages is given?
Add all ages and equate to the sum
Subtract all ages from the sum
Multiply all ages by the sum
Divide the sum by the number of people
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