Addition problems
Subtraction problems
Estimation
Problem solving
100

479 + 1239 = 

1718

100

7362- 1288 = 

6074

100

Estimate:

7892 - 1238 = 

7000 

100

Josh had 427 pieces of pizza after his party. He gave James 241 pieces.

 How many pieces does Tyler have left? 

Tyler has 186 pieces of pizza left after giving some of James.

200

236 023 + 3532 = 

239 555

200

464 349 - 5053 = 

459 296 

200

Is this answer REASONABLE?

5682 + 3431 = 9070

YES! 

estimated answer= 9000 

200

Tyler has 5000 ml of water. His dog was thirsty so he gave him 2356 ml of water. Then his other dog got thirsty so he gave her 225 ml of water. 

How many ml of water does Tyler have left? 

Tyler has 2419 ml of water left.

300

231 123 + 432 982 = 

664 105

300

764,958 − 329,427 = 

435 531

300

Is this answer REASONABLE?

452 921 - 230 341 = 187 234

NO! 

Estimated answer: 300 000

300

Addy has $70167 in her bank account. She buys 70 doors for her mansion and in total it costed her $41  235. 

How much money does Addy have now?

Addy has $28932. 

400
198 334 + 346 238 = 

544 572

400

998,643 − 586,971 = 

411 672

400

Estimate:

673 234 + 320 123 - 123 455 = 

900 000

400
A store has 637 289 google gift cards, 35 873 Roblox gift cards and 2867 v-bucks gift cards. After a year, the store sold 234 678 gift cards in total.


How many gift cards are left in the store?

There are 441 351 gift cards left in the store.

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