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.

933 x 83 = (900 x 83) + (40 x 83) - ( ___ x 83)



Answer:_______________




2)  

Solve the problem below.

848 x 79 = (800 x 79) + (30 x 79) + ( ___ x 79)



Answer:_______________




3)  

Solve the problem below.

487 x 44 = (400 x 44) + (90 x 44) - ( ___ x 44)



Answer:_______________




4)  

Solve the problem below.

256 x 94 = (200 x 94) + (40 x 94) + ( ___ x 94)



Answer:_______________




5)  

Solve the problem below.

156 x 84 = (100 x 84) + (60 x 84) - ( ___ x 84)



Answer:_______________




6)  

Solve the problem below.

841 x 79 = (800 x 79) + (30 x 79) + ( ___ x 79)



Answer:_______________




7)  

Solve the problem below.

502 x 36 = (500 x 36) + (10 x 36) - ( ___ x 36)



Answer:_______________




8)  

Solve the problem below.

334 x 72 = (300 x 72) + (20 x 72) + ( ___ x 72)



Answer:_______________




9)  

Solve the problem below.

375 x 69 = (300 x 69) + (80 x 69) - ( ___ x 69)



Answer:_______________




10)  

Solve the problem below.

136 x 13 = (100 x 13) + (20 x 13) + ( ___ x 13)



Answer:_______________




 

1)  

Solve the problem below.

933 x 83 = (900 x 83) + (40 x 83) - ( ___ x 83)


Answer: 7


SOLUTION 1 :

Step 1: 900 + 40 = 940  

Step 2: 940 - 933 = 7



2)  

Solve the problem below.

848 x 79 = (800 x 79) + (30 x 79) + ( ___ x 79)


Answer: 18


SOLUTION 1 :

Step 1: 800 + 30 = 830  

Step 2: 848 - 830 = 18



3)  

Solve the problem below.

487 x 44 = (400 x 44) + (90 x 44) - ( ___ x 44)


Answer: 3


SOLUTION 1 :

Step 1: 400 + 90 = 490  

Step 2: 490 - 487 = 3



4)  

Solve the problem below.

256 x 94 = (200 x 94) + (40 x 94) + ( ___ x 94)


Answer: 16


SOLUTION 1 :

Step 1: 200 + 40 = 240  

Step 2: 256 - 240 = 16



5)  

Solve the problem below.

156 x 84 = (100 x 84) + (60 x 84) - ( ___ x 84)


Answer: 4


SOLUTION 1 :

Step 1: 100 + 60 = 160  

Step 2: 160 - 156 = 4



6)  

Solve the problem below.

841 x 79 = (800 x 79) + (30 x 79) + ( ___ x 79)


Answer: 11


SOLUTION 1 :

Step 1: 800 + 30 = 830  

Step 2: 841 - 830 = 11



7)  

Solve the problem below.

502 x 36 = (500 x 36) + (10 x 36) - ( ___ x 36)


Answer: 8


SOLUTION 1 :

Step 1: 500 + 10 = 510  

Step 2: 510 - 502 = 8



8)  

Solve the problem below.

334 x 72 = (300 x 72) + (20 x 72) + ( ___ x 72)


Answer: 14


SOLUTION 1 :

Step 1: 300 + 20 = 320  

Step 2: 334 - 320 = 14



9)  

Solve the problem below.

375 x 69 = (300 x 69) + (80 x 69) - ( ___ x 69)


Answer: 5


SOLUTION 1 :

Step 1: 300 + 80 = 380  

Step 2: 380 - 375 = 5



10)  

Solve the problem below.

136 x 13 = (100 x 13) + (20 x 13) + ( ___ x 13)


Answer: 16


SOLUTION 1 :

Step 1: 100 + 20 = 120  

Step 2: 136 - 120 = 16