4.NBT.5 Multiplying multi-digit numbers by a 1 digit number

Solve the following problem using standard algorithm. 417 x 4

• 1,668

• 1,688

• 1,268

• 1,272

Solve the following problem. 28 x 5

• 1,008

• 1,400

• 140

• 400

Express the following number in expanded form. 486

• 400 + 80 + 6

• 4,000 + 800 + 0+ 6

• 40, 000 + 80+ 6

• 40+ 86

Express the following number in expanded form 9,204

• 900 + 200 + 4

• 9,000 + 200 + 40

• 90,000 + 2,000 + 400

• 9,000 + 200 + 4

Express the following expression in standard form. 400 + 5

• 450

• 4,005

• 455

• 405

Solve the problem. 86 x 4

• 284

• 344

• 644

• 348

Rebecca is trying to complete her math homework. Her teacher told her solve the problem 387 x 8. She gets the answer 3,096. She stated that she multiplied 8 x 8= 64. Is she correct or incorrect and why?

• Rebecca is correct because 8x8 = 64

• Rebecca is incorrect because 8x8=56

• Rebecca is incorrect because it is 80x8=640

• Rebecca is correct because 3,096 is the correct answer.

Explain how to solve 96 x 3 using partial product.

• Multiply 9 x 3 plus 6x3 = 288

• Multiply 900 x 6 x 3= 16,200

• Multiply 90 x 3 + 6 x 3= 288

• Multiply 96 + 3= 99

Solve the following problem. 586 x 4

• 2,344

• 2,384

• 2,94

• 2,304

Solve the following problem. 106 x9

• 954

• 904

• 1,404

• 945