Scroll:Mental Sums >> Mental Sums >> saq (1051)


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)  

Add 25 to the product of 6 and 5.



Answer:_______________




2)  

Add 45 to the product of 9 and 4.



Answer:_______________




3)  

Add 15 to the product of 8 and 10.



Answer:_______________




4)  

Add 29 to the product of 6 and 3.



Answer:_______________




5)  

Add 17 to the product of 10 and 3.



Answer:_______________




6)  

Add 11 to the product of 10 and 4.



Answer:_______________




7)  

Add 33 to the product of 10 and 9.



Answer:_______________




8)  

Add 38 to the product of 2 and 7.



Answer:_______________




9)  

Add 30 to the product of 9 and 6.



Answer:_______________




10)  

Add 27 to the product of 8 and 9.



Answer:_______________




 

1)  

Add 25 to the product of 6 and 5.


Answer: 55


SOLUTION 1 :

Step 1: 6 x 5 = 30
Step 2: 30 + 25 = 55



2)  

Add 45 to the product of 9 and 4.


Answer: 81


SOLUTION 1 :

Step 1: 9 x 4 = 36
Step 2: 36 + 45 = 81



3)  

Add 15 to the product of 8 and 10.


Answer: 95


SOLUTION 1 :

Step 1: 8 x 10 = 80
Step 2: 80 + 15 = 95



4)  

Add 29 to the product of 6 and 3.


Answer: 47


SOLUTION 1 :

Step 1: 6 x 3 = 18
Step 2: 18 + 29 = 47



5)  

Add 17 to the product of 10 and 3.


Answer: 47


SOLUTION 1 :

Step 1: 10 x 3 = 30
Step 2: 30 + 17 = 47



6)  

Add 11 to the product of 10 and 4.


Answer: 51


SOLUTION 1 :

Step 1: 10 x 4 = 40
Step 2: 40 + 11 = 51



7)  

Add 33 to the product of 10 and 9.


Answer: 123


SOLUTION 1 :

Step 1: 10 x 9 = 90
Step 2: 90 + 33 = 123



8)  

Add 38 to the product of 2 and 7.


Answer: 52


SOLUTION 1 :

Step 1: 2 x 7 = 14
Step 2: 14 + 38 = 52



9)  

Add 30 to the product of 9 and 6.


Answer: 84


SOLUTION 1 :

Step 1: 9 x 6 = 54
Step 2: 54 + 30 = 84



10)  

Add 27 to the product of 8 and 9.


Answer: 99


SOLUTION 1 :

Step 1: 8 x 9 = 72
Step 2: 72 + 27 = 99