Scroll:Operations with decimals >> Add and subtract decimals >> saq (3911)

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:

6.62
-      5.31
------------------

 


Answer:_______________




2)  

 Add:

0.29
+      0.81
------------------

 


Answer:_______________




3)  

 Add:

84.92
-      41.28
------------------

 


Answer:_______________




4)  

 Subtract.

0.8
0.1
-------------
.

 


Answer:_______________




5)  

 Add:

6.91
-      2.23
------------------

 


Answer:_______________




6)  

 Add:

0.50
+      0.90
------------------

 


Answer:_______________




7)  

 Add:

64.89
-      22.26
------------------

 


Answer:_______________




8)  

 Subtract.

0.7
0.5
-------------
.

 


Answer:_______________




9)  

 Add:

6.76
-      3.17
------------------

 


Answer:_______________




10)  

 Add:

0.24
+      0.76
------------------

 


Answer:_______________




 

1)  

 Add:

6.62
-      5.31
------------------
Answer: 1.31

 


SOLUTION 1 :

 Remember to line up the decimal points.

6.62
-      5.31
------------------

 

Subtract as you would subtract whole numbers. Remember to write the decimal point in the answer.

6.62
-     5.31
------------------
1.31
 

The sum is 1.31.

 



2)  

 Add:

0.29
+      0.81
------------------
Answer: 1.1

 


SOLUTION 1 :

 Remember to line up the decimal points.

0.29
+      0.81
------------------

 

Add as you would add whole numbers. Remember to write the decimal point in the answer.

0.29
+      0.81
------------------
1.1
 

The sum is 1.1.

 



3)  

 Add:

84.92
-      41.28
------------------
Answer: 43.64

 


SOLUTION 1 :

 Remember to line up the decimal points.

84.92
-      41.28
------------------

 

Subtract as you would subtract whole numbers. Remember to write the decimal point in the answer.

84.92
-     41.28
------------------
43.64
 

The sum is 43.64.

 



4)  

 Subtract.

0.8
0.1
-------------
Answer: 0. Answer: 7

 


SOLUTION 1 :
 
0.8
0.1
-------
0.7
 


5)  

 Add:

6.91
-      2.23
------------------
Answer: 4.68

 


SOLUTION 1 :

 Remember to line up the decimal points.

6.91
-      2.23
------------------

 

Subtract as you would subtract whole numbers. Remember to write the decimal point in the answer.

6.91
-     2.23
------------------
4.68
 

The sum is 4.68.

 



6)  

 Add:

0.50
+      0.90
------------------
Answer: 1.4

 


SOLUTION 1 :

 Remember to line up the decimal points.

0.50
+      0.90
------------------

 

Add as you would add whole numbers. Remember to write the decimal point in the answer.

0.50
+      0.90
------------------
1.4
 

The sum is 1.4.

 



7)  

 Add:

64.89
-      22.26
------------------
Answer: 42.63

 


SOLUTION 1 :

 Remember to line up the decimal points.

64.89
-      22.26
------------------

 

Subtract as you would subtract whole numbers. Remember to write the decimal point in the answer.

64.89
-     22.26
------------------
42.63
 

The sum is 42.63.

 



8)  

 Subtract.

0.7
0.5
-------------
Answer: 0. Answer: 2

 


SOLUTION 1 :
 
0.7
0.5
-------
0.2
 


9)  

 Add:

6.76
-      3.17
------------------
Answer: 3.59

 


SOLUTION 1 :

 Remember to line up the decimal points.

6.76
-      3.17
------------------

 

Subtract as you would subtract whole numbers. Remember to write the decimal point in the answer.

6.76
-     3.17
------------------
3.59
 

The sum is 3.59.

 



10)  

 Add:

0.24
+      0.76
------------------
Answer: 1

 


SOLUTION 1 :

 Remember to line up the decimal points.

0.24
+      0.76
------------------

 

Add as you would add whole numbers. Remember to write the decimal point in the answer.

0.24
+      0.76
------------------
1
 

The sum is 1.