Standard Algorithm

Fast facts word problem

100

Suzi has 5 boxes of toys with 5 toys in each. How many toys does she have in all?

25 toys

200

Mr. Mumin has 8 busses that can hold 5 people. How many people will be on the bus in all?

40 Students 

300

There is 8 fifth grade classes and 9 people in each class. How many will be in all?

72 students

400

There is 9 private schools and 9 people in each school. How many people will be there in all?

81 people

500

There is 7,200 students at ICS and there is 9 teachers. How many students will be in each classroom

800 students

Word form

100

1,012

one thousand twelve 

200

12,329

twelve thousand three hundred twenty nine 

300

106,237

one hundred six thousands two hundred thirty seven

400

938.8

Nine hundred thirty eight and eight tenths

500

2,746.7

Two thousand seven hundred forty six and seven tenths

Powers of 10

100

What is 10³?

1,000

200

what is 10⁵?

100,000

300

1,239.82 X 10⁴

12,398,200

400

what is 10¹⁰?

10,000,000,000

500

1728.8379 X 10⁹

1,728,837,900,000

Multiplication

100

20x7

140

200

82 X 9

738

300

293 X 9

2,637

400

832 X 18

14,976

500

327 X 23

7,521

Expanded

100

19.6

10+9+(6x1/10)

200

192.23

100+90+2+(2x1/10)+(3x1/100

300

283.98

200+80+3+(9x1/10)+(8x1/100)

400

329.908

300+20+9+(9x1/10)+(8x1/1000)

500

9,283.934

9,000+200+80+3+(9x1/10)+(3x1/100)+(4x1/1000)