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Let’s take an example: You need to calculate the total cost of 5 different grocery items, where
each item has a different price and quantity.

Method 1: Manual Calculation Method 2: Using Excel Formula

You use a calculator to multiply the price of You enter the prices and quantities in an
each item by its quantity, then add all the totals Excel sheet, then use a SUM formula to
together. calculate the total cost automatically.

Efficiency: It takes more time because you Efficiency: It’s quicker because the
are doing each calculation one by one. computer does the work for you.

Accuracy: There’s a chance of making a Accuracy: It’s more accurate because
mistake while adding or multiplying. Excel handles the calculations without
human errors.
Smartness: It uses a calculator but requires
a lot of manual steps. Smartness: It’s smarter because it uses
fewer steps, just type in the data and let
Excel calculate it for you.

ACTIVITY-6

1. Create two 3D designs in Tinkercad.
(a) Design A: Create a simple 3D shape (e.g., cube, sphere or cylinder) and form a basic
object (e.g., cup or pencil holder).
(b) Design B: Create a more complex 3D design using shapes (e.g., cylinder, sphere and box)
to form a detailed object (e.g., lamp or house).
2. Compare both designs based on efficiency, accuracy and creativity.

ACTIVITY-7

Meena came across some Python programs, but she is unable to tell what these are doing as
neither has been executed properly. Help her evaluate what is wrong in these and rewrite the
correct program.
(a) name = "Alice"
print("Hello" + name

(b) greeting = "Hi there"
print(Greeting)

(c) age = input("How old are you? ")
print("You will be ", age + 10, "
years old after 10 years.")

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