Standard Algorithm Practice

2-Digit x 1-Digit

100

37x3

111

200

74x3

222

300

67x8

536

400

95x6

570

500

99x9

891

2-Digit x 2-Digit

100

24x10

240

200

32x12

384

300

58x14

812

400

75x27

2,025

500

95x29

2,755

3-Digit x 1-Digit

100

108x9

972

200

250x9

2,250

300

468x7

3,276

400

568x8

4,544

500

995x9

8,955

3-Digit x 2-Digit

100

150x12

1,800

200

262x15

3,930

300

468x34

15,912

400

587x76

39,329

500

987x92

90,804

Steps for solving?

100

What do you first?  

1: Multiply ones

2: Multiply tens

1: Multiply ones

200

What do you next?

1:Add

2: Times the tens

2: Times the tens 

300

What do you do when you carry a number but you mess up on your equation what did you do wrong?

Did you forget to cross off the carry number. Or did you Mess up on your multiplication.

The answer was you forgot to cross off your carry number so you mess up on adding the carry number again.

400

What do you do when you add the numbers and forget to add the zero?

1.You add them without the zero

2.You remember to add the zero

2.You remember the zero!

500

What do you do when you timesing by three digit by three digit what do you do?

1.You times the 1 by 1

2.You times the 10 by1

You times the one by one.