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1. Add   62+ 37

 

2. Add  85+ 30

3. Add 95 and 46

4. Find the sum of 603  and 72  

5. Find the sum of 874 and 39

6. Add the following 

a.  364  + 325

b.  407 + 390

a.   

b. 

7. Addition of  three -digit numbers without  carry over.

 

Ans.

Steps:

(i)   Add the  ones; 3+1+2=6  ones

Write  6  in the  ones column.

(ii) Add the  tens;  2+4+3= 9 tens

Write   9  in the  tens column.

(iii) Add the  hundreds;  4+3+1= 8 hundreds

Write   8  in the  hundreds  column.

8. Add the following numbers.

Ans.

Steps:

(i)  Add the  ones ; 2+5= 7 ones

Write  7 in the ones column.

(ii)  Add the  tens; 1+2= 3 tens

Write 3 in the  tens column.

(iii) Add the hundreds; 4+2= 6 hundreds

Write  6  in the hundreds  column.

9. Add the following numbers

Ans.

Steps:

(i) Add the  ones; 4+2+2= 8 ones

Write   8 in the  ones column.

(ii)  Add the   tens; 3+3+1= 7 tens

Write  7 in the tens column.

(iii) Add the  hundreds; 2+5+2= 9 hundreds

Write   9  in the  hundreds column.

 

10.  There are 872 students in a school. After it was reopened in June, 52 students joined.  How many students are there in the school now? 

Total number of students in a school= 872

Number of new students joined  in a school =  52

 Now,  total number of students  in the school = 872+ 52 

11. Mr. Raman bought new grill and picnic table for his back yard.  He spent Rs. 178 on the grill and Rs. 538 on the picnic table.  How much did he spend in all? 

The Money spent for grill = Rs. 178
The money spent for picnic table = Rs. 538
Total money he spend = Rs. 178 + Rs. 538
                                    = Rs. 716.

12. Sudha had 387 marbles. Her brother had 419 marbles. How many marbles did they have in all ?

Number of marbles of  Sudha = 387
Number of marbles her brother had = 419
Total number of marbles = 387 + 419
                                              = 806.

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