Representing and solving problems involving multiplication of multi-digit whole numbers

What place value units can you use for 400 x 80?

• 4 ones x 8 ones

• 4 tens x 8 tens

• 4 hundreds x 8 tens

• 40 tens x 80 tens

Which multiplication equations are ways to show 420? Select ALL that applies.

• 60 x 7

• 7 x 60

• 7 x 70

• 70 x 60

.

• a
• b
• c
• d

What is the right order of steps for multiplication with the Area model?

• Step 1.Add up all the partial products,

  
  

  Step 2.Break the numbers into expanded form,

  
  

  Step 3.Multiply to find the partial products.

• Step 1.Break the numbers into expanded form,

  
  

  Step 2.Multiply to find the partial products,

  
  

  Step 3.Add up all of the partial products.

Find the product. Use the areas shown in the model to help.

Which Partial Product belongs in the yellow box

• 210

• 2100

• 21

• 12

What is the final product?

• 32,812

• 3,292

• 3,282

Use area model or partial product to solve: 81 x 25

What multiplication problem is represented by the model?

• 30 x 50

• 58 x 30

• 50 x 38

• 50 + 38

What multiplication statement matches the set model shown?

• 2 x 3 =6

• 2 x 6 =12

• 6 x 1 =6

• 3 x 6 = 18