In 3the On the note addition worksheet we will solve how to get 3-digit numbers without regrouping, addition of three 3-digit numbers without regrouping, addition of 3-digit numbers with regrouping, addition of three 3-digit numbers with regrouping, addition properties, guessing the sum and word tasks for the 3-digit addition.

1,600 + 100

2. 111 + 222

3. 416 + 532 = ……………… + 416

4. 304 + ……………… = 408 + 304

5. 347 + 0 = ………………

6. 247 + (123 + 51) = (……………… + 123) + 51

7. Successor to 299 is ………………

8. Predecessor of 301 is ………………

9. There are 200 brown rabbits and 50 white rabbits. How many rabbits are there in total in the jungle?

10. When zero is added to a number, the sum is ………………

11. There were 243 blue birds and 145 black birds in the park. How many birds are there in the park?

Let’s revise:

I. Write the numbers, then add:

(i) seven hundred fifty-five and one hundred and sixty-six

(ii) five hundred and eighty, two hundred forty-four, and one hundred and seventeen

(iii) Two hundred twenty-five and one hundred ninety-seven

(iv) three hundred sixteen, two hundred twenty-eight and two hundred forty-one

(i) 267 + 32

(ii) 193 + 578

(iii) 245 + 500

(iv) 241 + 261

(v) 403 + 89

(vi) 298 + 567 + 132

(i) 198 + 461 + 100

(ii) 213 + 167 + 533

(iii) 521 + 124 + 104

(iv) 492 + 273 + 163

(v) 605 + 154 + 212

(vi) 226 + 30 + 135

(vii) 606 + 150 + 102

(viii) 156 + 203 + 411

IV. Solve the following word problems:

1. 233 people attended a meeting in State A and 746 people attended a meeting in State B. How many people attended the meeting in total?

2. It took a builder 369 days to complete Building A, 213 days to complete Building B, and 367 days to complete Building C. How many days did it take a builder to build all three buildings?

3. In a garden there are 416 green grapes on a vine, 209 apples on an apple tree and 327 mangoes on a mango tree. Calculate the total number of fruits in the garden.

4,273 boys took part in the parade. 100 girls more than the boys took part in the parade. How many children took part in the parade in total?

5. 358 cold drink bottles were loaded onto a truck. 603 more bottles were loaded the next day. How many bottles were loaded in total?

6. Jane is reading a book. When it’s 287 pages and it has to read 154 pages more. How many pages is the book?

7. A clothing store sold 578 shirts and 397 pants in October. How many dresses were sold in total?