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

2. © 2010 MOE CPDD
Story Problem 1
Mr Lim sold 24 buns on Monday.
He sold 65 buns on Tuesday.
How many buns did he sell altogether?
24 + 65 =
He sold buns altogether.
H T O
2 4
+ 6 5
8 9
89

3. © 2010 MOE CPDD
Mr Lim sold 124 buns on Monday.
He sold 65 buns on Tuesday.
How many buns did he sell altogether?
Story Problem 2
Buns sold on Monday
Buns sold on Monday

4. © 2010 MOE CPDD
Hundreds OnesTens
•How many ones are there altogether?
•How many tens are there altogether?
•How many hundreds are there altogether?
1 8 9

5. © 2010 MOE CPDD
Story Problem 2
Mr Lim sold 124 buns on Monday.
He sold 65 buns on Tuesday.
How many buns did he sell altogether?
124 + 65 =
He sold buns altogether.
H T O
1 2 4
+ 6 5
981
189

6. © 2010 MOE CPDD
Story Problem 3
243 + 36 =
Weili has stickers now.
H T O
2 4 3
+ 3 6
Weili has 243 stickers.
His friend gives him 36 more.
How many stickers does he have now?
972
279

7. © 2010 MOE CPDD
Story Problem 4
312 + 45 =
Weili has stickers now.
Weili has 312 stickers.
His friend gives him 45 more.
How many stickers does he have now?
H T O
3 1 2
+ 4 5
753
357

8. © 2010 MOE CPDD
Spot the mistake!
Are the answers correct?
If they are wrong, what should the correct answer be?
1) 354 + 42 = 396
2) 21 + 274 = 484
3) 506 + 23 = 509
4) 85 + 112 = 197