Add & Subtract Within 1000 — Answer Key
Part A: Multiple Choice
Circle the best answer for each question.
1. Ben had 450 baseball cards. He bought 175 more, then gave 120 to his brother. How many cards does Ben have now?
A) 395
B) 475
C) 505
D) 625
450+175=625. Then 625-120=505. Ben has 505 cards now.
2. A store had 620 hats. On Monday 148 hats were sold. On Tuesday 95 new hats arrived. How many hats are there now?
A) 377
B) 472
C) 567
D) 577
620-148=472. Then 472+95=567 hats in the store now.
3. A class collected 328 cans in April and 265 cans in May, then donated 180 cans. How many cans are left?
A) 383
B) 413
C) 443
D) 473
328+265=593. Then 593-180=413 cans left in the class.
4. A farm had 800 apples. They sold 236 apples, then picked 150 more. How many apples does the farm have now?
A) 564
B) 614
C) 714
D) 786
800-236=564. Then 564+150=714 apples on the farm now.
Part B: Fill in the Blank
Write the correct answer on each line.
1. Sara saved 325 coins, then added 148 more, then spent 97. Coins left: 376
325+148=473. Then 473-97=376. Sara has 376 coins left.
2. A library had 540 books, lent out 165, then received 120 new books. Books now: 495
540-165=375. Then 375+120=495. The library has 495 books now.
3. A bakery made 430 cookies and 275 muffins, then sold 180 items. Items left: 525
430+275=705. Then 705-180=525. The bakery has 525 items left.
4. A zoo had 612 visitors on Saturday, 278 on Sunday, and 145 left before closing Sunday. Visitors still inside end of Sunday: 133
On Sunday, 278 arrived and 145 left, so 278-145=133 visitors stayed until closing.
5. A school printed 750 flyers, used 325 for an event, then printed 180 more. Flyers now: 605
750-325=425. Then 425+180=605 flyers available now.