Scroll:Mixed operations >> Estimate sums, differences, products and quotients: word problems >> saq (3420)


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)  

 Estimate the sum by rounding each number to the nearest hundred and then adding.

742 - 212

The sum is approximately: 



Answer:_______________




2)  

 Estimate the sum by rounding each number to the nearest hundred and then adding.

837 - 319

The sum is approximately: 



Answer:_______________




3)  

 Estimate the sum by rounding each number to the nearest hundred and then adding.

935 - 240

The sum is approximately: 



Answer:_______________




4)  

 Estimate the sum by rounding each number to the nearest hundred and then adding.

928 - 223

The sum is approximately: 



Answer:_______________




5)  

 Estimate the sum by rounding each number to the nearest hundred and then adding.

238 - 123

The sum is approximately: 



Answer:_______________




6)  

 Estimate the sum by rounding each number to the nearest hundred and then adding.

743 - 213

The sum is approximately: 



Answer:_______________




7)  

 Estimate the sum by rounding each number to the nearest hundred and then adding.

843 - 314

The sum is approximately: 



Answer:_______________




8)  

 Estimate the sum by rounding each number to the nearest hundred and then adding.

916 - 235

The sum is approximately: 



Answer:_______________




9)  

 Estimate the sum by rounding each number to the nearest hundred and then adding.

926 - 216

The sum is approximately: 



Answer:_______________




10)  

 Estimate the sum by rounding each number to the nearest hundred and then adding.

235 - 138

The sum is approximately: 



Answer:_______________




 

1)  

 Estimate the sum by rounding each number to the nearest hundred and then adding.

742 - 212

The sum is approximately: 

Answer: 500



2)  

 Estimate the sum by rounding each number to the nearest hundred and then adding.

837 - 319

The sum is approximately: 

Answer: 500



3)  

 Estimate the sum by rounding each number to the nearest hundred and then adding.

935 - 240

The sum is approximately: 

Answer: 700



4)  

 Estimate the sum by rounding each number to the nearest hundred and then adding.

928 - 223

The sum is approximately: 

Answer: 700



5)  

 Estimate the sum by rounding each number to the nearest hundred and then adding.

238 - 123

The sum is approximately: 

Answer: 100



6)  

 Estimate the sum by rounding each number to the nearest hundred and then adding.

743 - 213

The sum is approximately: 

Answer: 500



7)  

 Estimate the sum by rounding each number to the nearest hundred and then adding.

843 - 314

The sum is approximately: 

Answer: 500



8)  

 Estimate the sum by rounding each number to the nearest hundred and then adding.

916 - 235

The sum is approximately: 

Answer: 700



9)  

 Estimate the sum by rounding each number to the nearest hundred and then adding.

926 - 216

The sum is approximately: 

Answer: 700



10)  

 Estimate the sum by rounding each number to the nearest hundred and then adding.

235 - 138

The sum is approximately: 

Answer: 100