Scroll:Measurement >> Area >> saq (283)

Written Instructions:

For each Multiple Choice Question (MCQ), four options are given. One of them is the correct answer. Make your choice (1,2,3 or 4). Write your answers in the brackets provided..

For each Short Answer Question(SAQ) and Long Answer Question(LAQ), write your answers in the blanks provided.

Leave your answers in the simplest form or correct to two decimal places.


 

1)  


How many more squares must I shade to get a figure of 31 cm²

squares


Answer:_______________




2)  


How many more squares must I shade to get a figure of 25 cm²

squares


Answer:_______________




3)  


How many more squares must I shade to get a figure of 28 cm²

squares


Answer:_______________




4)  


How many more squares must I shade to get a figure of 19 cm²

squares


Answer:_______________




5)  


How many more squares must I shade to get a figure of 42 cm²

squares


Answer:_______________




6)  


How many more squares must I shade to get a figure of 40 cm²

squares


Answer:_______________




7)  


How many more squares must I shade to get a figure of 17 cm²

squares


Answer:_______________




8)  


How many more squares must I shade to get a figure of 37 cm²

squares


Answer:_______________




9)  


How many more squares must I shade to get a figure of 30 cm²

squares


Answer:_______________




10)  


How many more squares must I shade to get a figure of 24 cm²

squares


Answer:_______________




 

1)  


How many more squares must I shade to get a figure of 31 cm²

Answer: 17 squares


SOLUTION 1 :

Step 1: Area of 1st rectangle : 5 x 2 = 10 cm2
Step 2: Area of 2nd rectangle : 4 x 1 = 4 cm2
Step 3: Total area of the figure : 10 + 4 = 14 cm2
Step 4: How many more squares to shade : 31 - 14 = 17

I must shade 17 more squares.

 



2)  


How many more squares must I shade to get a figure of 25 cm²

Answer: 11 squares


SOLUTION 1 :

Step 1: Area of 1st rectangle : 5 x 2 = 10 cm2
Step 2: Area of 2nd rectangle : 4 x 1 = 4 cm2
Step 3: Total area of the figure : 10 + 4 = 14 cm2
Step 4: How many more squares to shade : 25 - 14 = 11

I must shade 11 more squares.

 



3)  


How many more squares must I shade to get a figure of 28 cm²

Answer: 14 squares


SOLUTION 1 :

Step 1: Area of 1st rectangle : 5 x 2 = 10 cm2
Step 2: Area of 2nd rectangle : 4 x 1 = 4 cm2
Step 3: Total area of the figure : 10 + 4 = 14 cm2
Step 4: How many more squares to shade : 28 - 14 = 14

I must shade 14 more squares.

 



4)  


How many more squares must I shade to get a figure of 19 cm²

Answer: 5 squares


SOLUTION 1 :

Step 1: Area of 1st rectangle : 5 x 2 = 10 cm2
Step 2: Area of 2nd rectangle : 4 x 1 = 4 cm2
Step 3: Total area of the figure : 10 + 4 = 14 cm2
Step 4: How many more squares to shade : 19 - 14 = 5

I must shade 5 more squares.

 



5)  


How many more squares must I shade to get a figure of 42 cm²

Answer: 28 squares


SOLUTION 1 :

Step 1: Area of 1st rectangle : 5 x 2 = 10 cm2
Step 2: Area of 2nd rectangle : 4 x 1 = 4 cm2
Step 3: Total area of the figure : 10 + 4 = 14 cm2
Step 4: How many more squares to shade : 42 - 14 = 28

I must shade 28 more squares.

 



6)  


How many more squares must I shade to get a figure of 40 cm²

Answer: 26 squares


SOLUTION 1 :

Step 1: Area of 1st rectangle : 5 x 2 = 10 cm2
Step 2: Area of 2nd rectangle : 4 x 1 = 4 cm2
Step 3: Total area of the figure : 10 + 4 = 14 cm2
Step 4: How many more squares to shade : 40 - 14 = 26

I must shade 26 more squares.

 



7)  


How many more squares must I shade to get a figure of 17 cm²

Answer: 3 squares


SOLUTION 1 :

Step 1: Area of 1st rectangle : 5 x 2 = 10 cm2
Step 2: Area of 2nd rectangle : 4 x 1 = 4 cm2
Step 3: Total area of the figure : 10 + 4 = 14 cm2
Step 4: How many more squares to shade : 17 - 14 = 3

I must shade 3 more squares.

 



8)  


How many more squares must I shade to get a figure of 37 cm²

Answer: 23 squares


SOLUTION 1 :

Step 1: Area of 1st rectangle : 5 x 2 = 10 cm2
Step 2: Area of 2nd rectangle : 4 x 1 = 4 cm2
Step 3: Total area of the figure : 10 + 4 = 14 cm2
Step 4: How many more squares to shade : 37 - 14 = 23

I must shade 23 more squares.

 



9)  


How many more squares must I shade to get a figure of 30 cm²

Answer: 16 squares


SOLUTION 1 :

Step 1: Area of 1st rectangle : 5 x 2 = 10 cm2
Step 2: Area of 2nd rectangle : 4 x 1 = 4 cm2
Step 3: Total area of the figure : 10 + 4 = 14 cm2
Step 4: How many more squares to shade : 30 - 14 = 16

I must shade 16 more squares.

 



10)  


How many more squares must I shade to get a figure of 24 cm²

Answer: 10 squares


SOLUTION 1 :

Step 1: Area of 1st rectangle : 5 x 2 = 10 cm2
Step 2: Area of 2nd rectangle : 4 x 1 = 4 cm2
Step 3: Total area of the figure : 10 + 4 = 14 cm2
Step 4: How many more squares to shade : 24 - 14 = 10

I must shade 10 more squares.