102
100
652 x 24
700 x 20 = 14000
256 x 100
25,600
832 x 7
5,824
John's bus can hold 64 students, he makes 253 trips with a full bus. How many students did he drive?
64 x 253 = 16,192
103
1000
812 x 66
800 x 70 = 56000
6589 x 1000
6,589,000
564 x 45
25,380
There are 14 classroom and each class has 21 students.
14 x 21 = 294
6 x 103
6 x 1000 = 6000
5426 x 62
5000 x 60 = 300,000
598 x 80
(598 x 8) x10
4784 x 10
47840
8954 x 6
83,724
June has 23 containers of paper clips and each one has 6524 paper clips in it. How many does she have?
156 x 105
156 x 100,000 = 15,600,000
1564 x 55
2000 x 60 = 120,000
598 x 500
(598 x 5) x 100
2990 x 100
299,000
623 x 59
36,757
You buy a tablet for $235 you also buy a game system for three times that about. How much money do you need to buy these items?
235 + (235 x 3)
235 + 705
940
7952 Multiple the number in the hundreds place value by 103
9 x 1000 = 9000
What is a reasonable estimate for 88,951 x 652
90,000 x 700 = 63,000,000
8976 x 7000
(8976 x 7) x 1000
62,832 x 1000
62,832,000
7523 x 74
556,702
You are selling food on a food truck. Hot dogs are $12 and chicken nachos are $34. You sell hot dogs to 294 people and chicken nachos to 56 people. How much money did you make?
12 x 294 =3528
34 x 56 = 1904
3528 + 1904 = $5432