To solve these area word problems, we need to use the formula for the area of a rectangle:
\[
\text{Area} = \text{Length} \times \text{Width}
\]
Let's solve each problem step by step.
---
Problem 1: Rahul's Decorative Book Mark
- Dimensions: 2 inches × 4 inches
- Formula: \(\text{Area} = \text{Length} \times \text{Width}\)
- Calculation:
\[
\text{Area} = 2 \, \text{inches} \times 4 \, \text{inches} = 8 \, \text{square inches}
\]
Answer: The area of the bookmark is \(\boxed{8}\) square inches.
---
Problem 2: Akshata's Cloth
- Dimensions: 7 meters × 3 meters
- Formula: \(\text{Area} = \text{Length} \times \text{Width}\)
- Calculation:
\[
\text{Area} = 7 \, \text{meters} \times 3 \, \text{meters} = 21 \, \text{square meters}
\]
Answer: The area of the cloth is \(\boxed{21}\) square meters.
---
Problem 3: Farhan's Table
- Dimensions: 120 cm × 75 cm
- Formula: \(\text{Area} = \text{Length} \times \text{Width}\)
- Calculation:
\[
\text{Area} = 120 \, \text{cm} \times 75 \, \text{cm} = 9000 \, \text{square cm}
\]
Answer: The area of the table is \(\boxed{9000}\) square cm.
---
Problem 4: Khushi's TV Screen
- Dimensions: 90 cm × 50 cm
- Formula: \(\text{Area} = \text{Length} \times \text{Width}\)
- Calculation:
\[
\text{Area} = 90 \, \text{cm} \times 50 \, \text{cm} = 4500 \, \text{square cm}
\]
Answer: The area of the TV screen is \(\boxed{4500}\) square cm.
---
Final Answers:
1. \(\boxed{8}\) square inches
2. \(\boxed{21}\) square meters
3. \(\boxed{9000}\) square cm
4. \(\boxed{4500}\) square cm
These solutions are derived by directly applying the area formula for rectangles, ensuring accuracy and clarity in each step.
Parent Tip: Review the logic above to help your child master the concept of area problems worksheet.