Sam and his Mother (Represent word problems involving multiplicative comparison using a symbol for the unknown where the

The video tutorial explains how to solve a word problem involving multiplicative comparison. Sam is 8 years old, and his mother is 4 times older. The tutorial guides viewers through identifying the unknown variable, setting up the equation a = 4 * 8, and solving it to find that the mother is 32 years old. The lesson concludes with a summary of how to represent such problems using symbols for unknown products.

If Sam is 8 years old, how many times older is his mother?

• 2 times

• 5 times

• 3 times

• 4 times

What is the unknown variable in the problem?

• Sam's age

• Mother's age

• Sam's height

• Mother's height

How do you represent the mother's age in terms of Sam's age?

• a = 4 * 8

• a = 5 * 8

• a = 2 * 8

• a = 3 * 8

What is the value of 'a' when you solve the equation a = 4 * 8?

• 36

• 24

• 28

• 32

What concept did you learn in this lesson?

• Division comparison

• Addition comparison

• Multiplicative comparison

• Subtraction comparison