Lesson 14: Multiply Decimal Fractions with Tenths

What is the correct product of 43 × 2.4?

• 80.2

• 90.2

• 103.2

• 112.2

How can the area model be used to solve decimal multiplication problems?

• By decomposing the decimal into expanded form

• By multiplying the whole numbers and then adjusting for the decimal

• By dividing the decimal into smaller parts

• By estimating the product using rounding

What is the product of 3.5 x 42?

• 140

• 147

• 154

• 161

What is the correct product of 15.6 x 73?

• 1,128

• 1,232

• 1,336

• 1,440

How can the standard algorithm be used to solve decimal multiplication problems?

• By multiplying the decimal by 10 and then dividing by 10

• By multiplying the whole numbers and then adjusting for the decimal

• By estimating the product using rounding

• By decomposing the decimal into expanded form

What is the product of 6.3 x 44?

• 277.2

• 288.2

• 299.2

• 310.2

What is the correct product of 8.2 x 34?

• 248.2

• 258.2

• 268.2

• 278.2

What is the area of Mr. Jansen's ice rink that measures 8.4 meters by 22 meters?

• 184.8 square meters

• 184.2 square meters

• 185.2 square meters

• 185.8 square meters

What is the correct product of 3.5 × 2.4?

• 7.4

• 8.4

• 9.4

• 10.4

What is the product of 7.2 x 55?

• 396

• 405

• 414

• 423