Convenient calculation, word problems, unit review, multiplying by 10 / 100 / 1 000
Answers are for parents and teachers.
1
Calculate conveniently: 8 316 + 475 + 1 684 + 525.
11000
2
Calculate conveniently: (54 200 + 19 800) − 14 200.
59800
3
4 000 × 90 = ?
360000
4
36 000 : 100 = ?
360
5
How many so‘m are 6 notes of 50 000 so‘m and 20 notes of 5 000 so‘m?
400000