Scroll:Mental Sums >> Mental Sums >> saq (503)

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.

160 × 30 = 16 × 30 × _____


Answer:_______________




2)  

Solve the problem below.

1600 × 30 = 160 × 3 × _____


Answer:_______________




3)  

Solve the problem below.

1400 × 50 = 14 × 5 × _____


Answer:_______________




4)  

Solve the problem below.

7400 × 150 = 74 × 15 × _____


Answer:_______________




5)  

Solve the problem below.

140 × 30 = 14 × 30 × _____


Answer:_______________




6)  

Solve the problem below.

900 × 40 = 90 × 4 × _____


Answer:_______________




7)  

Solve the problem below.

2200 × 50 = 22 × 5 × _____


Answer:_______________




8)  

Solve the problem below.

5500 × 60 = 55 × 6 × _____


Answer:_______________




9)  

Solve the problem below.

130 × 50 = 13 × 50 × _____


Answer:_______________




10)  

Solve the problem below.

2500 × 20 = 250 × 2 × _____


Answer:_______________




 

1)  

Solve the problem below.

160 × 30 = 16 × 30 × _____

Answer: 10


SOLUTION 1 :

Step 1: 160 x 30 = 4800
Step 2: 16 x 30 = 480
Step 3: 4800 ÷ 480 = 10



2)  

Solve the problem below.

1600 × 30 = 160 × 3 × _____

Answer: 100


SOLUTION 1 :

Step 1: 1600 x 30 = 48000
Step 2: 160 x 3 = 480
Step 3: 48000 ÷ 480 = 100



3)  

Solve the problem below.

1400 × 50 = 14 × 5 × _____

Answer: 1000


SOLUTION 1 :

Step 1: 1400 x 50 = 70 000
Step 2: 14 x 5 = 70
Step 3: 70 000 ÷ 70 = 1000



4)  

Solve the problem below.

7400 × 150 = 74 × 15 × _____

Answer: 1000


SOLUTION 1 :

Step 1: 7400 x 150 = 1110 000
Step 2: 74 x 15 = 1110
Step 3: 1110 000 ÷ 1110 = 1000



5)  

Solve the problem below.

140 × 30 = 14 × 30 × _____

Answer: 10


SOLUTION 1 :

Step 1: 140 x 30 = 4200
Step 2: 14 x 30 = 420
Step 3: 4200 ÷ 420 = 10



6)  

Solve the problem below.

900 × 40 = 90 × 4 × _____

Answer: 100


SOLUTION 1 :

Step 1: 900 x 40 = 36000
Step 2: 90 x 4 = 360
Step 3: 36000 ÷ 360 = 100



7)  

Solve the problem below.

2200 × 50 = 22 × 5 × _____

Answer: 1000


SOLUTION 1 :

Step 1: 2200 x 50 = 110 000
Step 2: 22 x 5 = 110
Step 3: 110 000 ÷ 110 = 1000



8)  

Solve the problem below.

5500 × 60 = 55 × 6 × _____

Answer: 1000


SOLUTION 1 :

Step 1: 5500 x 60 = 330 000
Step 2: 55 x 6 = 330
Step 3: 330 000 ÷ 330 = 1000



9)  

Solve the problem below.

130 × 50 = 13 × 50 × _____

Answer: 10


SOLUTION 1 :

Step 1: 130 x 50 = 6500
Step 2: 13 x 50 = 650
Step 3: 6500 ÷ 650 = 10



10)  

Solve the problem below.

2500 × 20 = 250 × 2 × _____

Answer: 100


SOLUTION 1 :

Step 1: 2500 x 20 = 50000
Step 2: 250 x 2 = 500
Step 3: 50000 ÷ 500 = 100