Multiplying 1 Digit x 2 Digit

When multiplying a 2-digit number by a 1-digit number, you should multiply

• multiply one digit and add the other digit

• multiply both digits by the single digit as they are written

• multiply only the value of the tens place digit

• multiply the value of both digits in the 2-digit number by the one-digit number then add both sums

Solve the following problem using partial products: 87 x 4

• 348

• 328

• 448

• 300

Solve the following using the box method: 45 x 9

• 36

• 456

• 78

• 405

Solve the following using partial products: 78 x 6

• 668

• 468

• 476

• 500

29 x 9 =

• 272

• 215

• 263

• 261

Multiplying is the same computation as

• repeated subtraction

• repeated addition

• diving each number by the number in front of it

• exponents

23 x 2 =

70 x 7 =

12 x 5 =

26 x 6

• 156

• 132

• 136

• 152