1. © 2010 MOE CPDD
Addition Stories 2
Adding two 3-digit numbers
without renaming

2. © 2010 MOE CPDD
Story Problem 1
There are 262 boys and 324 girls in a school.
How many children are there?
Number
of girls
Number
of boys

3. © 2010 MOE CPDD
Hundreds OnesTens
•How many ones are there altogether?
•How many tens are there altogether?
•How many hundreds are there altogether?
5 8 6

4. © 2010 MOE CPDD
There are 262 boys and 324 girls in a school.
How many children are there?
Story Problem 2
262 + 324 =
There are children.
H T O
2 6 2
+ 3 2 4
685
586

5. © 2010 MOE CPDD
Story Problem 3
Jane has 630 stamps.
Her friend gives her 313 more.
How many stamps does she have now?
630 + 313 =
She has stamps now.
H T O
6 3 0
+ 3 1 3
349
943

6. © 2010 MOE CPDD
Story Problem 4
Jane has 650 stamps.
Her friend gives her 243 more.
How many stamps does she have now?
550 + 243 =
She has stamps now.
H T O
5 5 0
+ 2 4 3
397
793

7. © 2010 MOE CPDD
Spot the mistake!
Are the answers correct?
If they are wrong, what should the correct answer be?
1) 543 + 242 = 735
2) 333 + 264 = 597
3) 560 + 318 = 870
4) 175 + 714 = 889