All students 1S & 1H - please finish these homework during ChiNewYear holiday, tq :
1. Round off 2 839 to the nearest ten.
2. Given the five whole numbers, 1 234, 1 324, 1 423, 1 342, 1 432, what is the difference between the largest and the smallest number?
3. 275 375 becomes 275 000 after being rounded off to the nearest _____________
4. There are 9 632 based in a box. 4 760 of them are red, 1 327 are yellow and the rest are blue. How many blue beads are there?
5. Round off 37 774 to the nearest thousand.
6. State the place value of 8 in the number 8 320 179
7. There are 300 workers in a factory. The workers are divided equality into 12 teams. If 4 teams are on duty, how many workers are there on duty at night?
8. In a sport match, each team has 20 players. if 13 teams take part in that sports match, how many players are there?
9. Find the remainder when 3525 is divided by 6
10. Micheal has 264 toy cars in his collection. His younger brother has 80 more than him. What is the total number of toy cars collected by both of them ?