Scroll:Mental Sums >> Mental Sums >> saq (492)

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)  

Solve the problem below.

862 x 32 = (800 x 32) + (50 x 32) + ( ___ x 32)



Answer:_______________




2)  

Solve the problem below.

644 x 76 = (600 x 76) + (50 x 76) - ( ___ x 76)



Answer:_______________




3)  

Solve the problem below.

348 x 64 = (300 x 64) + (30 x 64) + ( ___ x 64)



Answer:_______________




4)  

Solve the problem below.

158 x 48 = (100 x 48) + (60 x 48) - ( ___ x 48)



Answer:_______________




5)  

Solve the problem below.

549 x 44 = (500 x 44) + (30 x 44) + ( ___ x 44)



Answer:_______________




6)  

Solve the problem below.

666 x 69 = (600 x 69) + (70 x 69) - ( ___ x 69)



Answer:_______________




7)  

Solve the problem below.

258 x 23 = (200 x 23) + (40 x 23) + ( ___ x 23)



Answer:_______________




8)  

Solve the problem below.

225 x 92 = (200 x 92) + (30 x 92) - ( ___ x 92)



Answer:_______________




9)  

Solve the problem below.

388 x 49 = (300 x 49) + (70 x 49) + ( ___ x 49)



Answer:_______________




10)  

Solve the problem below.

555 x 87 = (500 x 87) + (60 x 87) - ( ___ x 87)



Answer:_______________




 

1)  

Solve the problem below.

862 x 32 = (800 x 32) + (50 x 32) + ( ___ x 32)


Answer: 12


SOLUTION 1 :

Step 1: 800 + 50 = 850  

Step 2: 862 - 850 = 12



2)  

Solve the problem below.

644 x 76 = (600 x 76) + (50 x 76) - ( ___ x 76)


Answer: 6


SOLUTION 1 :

Step 1: 600 + 50 = 650  

Step 2: 650 - 644 = 6



3)  

Solve the problem below.

348 x 64 = (300 x 64) + (30 x 64) + ( ___ x 64)


Answer: 18


SOLUTION 1 :

Step 1: 300 + 30 = 330  

Step 2: 348 - 330 = 18



4)  

Solve the problem below.

158 x 48 = (100 x 48) + (60 x 48) - ( ___ x 48)


Answer: 2


SOLUTION 1 :

Step 1: 100 + 60 = 160  

Step 2: 160 - 158 = 2



5)  

Solve the problem below.

549 x 44 = (500 x 44) + (30 x 44) + ( ___ x 44)


Answer: 19


SOLUTION 1 :

Step 1: 500 + 30 = 530  

Step 2: 549 - 530 = 19



6)  

Solve the problem below.

666 x 69 = (600 x 69) + (70 x 69) - ( ___ x 69)


Answer: 4


SOLUTION 1 :

Step 1: 600 + 70 = 670  

Step 2: 670 - 666 = 4



7)  

Solve the problem below.

258 x 23 = (200 x 23) + (40 x 23) + ( ___ x 23)


Answer: 18


SOLUTION 1 :

Step 1: 200 + 40 = 240  

Step 2: 258 - 240 = 18



8)  

Solve the problem below.

225 x 92 = (200 x 92) + (30 x 92) - ( ___ x 92)


Answer: 5


SOLUTION 1 :

Step 1: 200 + 30 = 230  

Step 2: 230 - 225 = 5



9)  

Solve the problem below.

388 x 49 = (300 x 49) + (70 x 49) + ( ___ x 49)


Answer: 18


SOLUTION 1 :

Step 1: 300 + 70 = 370  

Step 2: 388 - 370 = 18



10)  

Solve the problem below.

555 x 87 = (500 x 87) + (60 x 87) - ( ___ x 87)


Answer: 5


SOLUTION 1 :

Step 1: 500 + 60 = 560  

Step 2: 560 - 555 = 5