help po for math estimate difference yan po yun pls help lahat yan dapat sagot

Answer:
ACTIVITY 1.
1. 5475 - 925 = 4550
2. 3584 - 256 = 3328
3. 4567 - 2569 = 1998
4. 8276 - 4567 = 3709
5. 4389 - 898 = 3491
ACTIVITY 2.
1. 634 - 324 = 310
2. 1857 - 987 = 870
3. 625 - 246 = 379
4. 5395 - 2641 = 2754
5. 4453 - 1752 = 2701
Step-by-step explanation:
Hope it helps.