Dividing by 10s, 100s, 1000s
320 / 10
32
2 X 20,000
40,000
What numbers belong in the blanks?
420 X 103 = 420 X (___) X (___) X (___)
420 X 103 = 420 X (10) X (10) X (10)
Estimate the quotient only
1321 / 38
1200 / 40 = 30
There are 26 students in Ms. Woythaler's class. Each students has 7 erasers. About how many erasers are there in the classroom?
30 x 7 = 210 erasers
62,100 / 10
6,210
800 X 900
720,000
What numbers belong in the blanks?
298 X 102 = 298 X (___) X (___)
298 X 102 = 298 X (10) X (10)
Estimate the quotient only
2696 / 73
2800 / 70 = 40
There are 41 bags of beans. Each bag contains 70 beans. About how many beans are there in all?
2,800 beans
3,480,000 / _____ = 34,800
100
4,300 X 4,000
17,200,000
What number should replace the question mark?
46 X 10? = 4,600
2
Estimate the quotient:
61,876 / 68
63,000 / 70 = 900
Each correct answer on a game show is worth 57 points. Last night, a contestant answered 66 questions correctly. About how many points did the contestant earn?
60 x 70 = 4,200 points
What number belongs in the blank? Solve the problem
204,000 / 60 = (204,000 / _____) / 6
3,400
58,000 X 500
29,000,000
What number should replace the question mark?
98 X 10? = 98,000
3
Estimate the quotient
8,145,000 X 800
8,000,000/ 800 = 10,000
There are 14,678 candies in the pile of candy. If each student gets about 68 candies, about how many students are there?
14,000 / 70 = 200
24,640,000 / 700 = ?
35,200
899 X 900
809,100
What number should replace the question mark?
4,030 X 10? = 40,300,000
4
Estimate the quotient:
46,973,000 / 6,300
48,000,000 / 6,000 = 8,000
There are 8,027 erasers in the supply closet. If there are 85 students in the school, about how many erasers can each student get?
8,100 / 90 = 90