Dividing Decimals: Key Concepts and Practice

Why does the student agree with making both the dividend and divisor 10 times larger when dividing 109.2 by 6?

• It makes the calculation faster.

• It keeps the quotient the same.

• It changes the value of the quotient.

• It makes the numbers easier to handle.

What is the quotient of 109.2 divided by 6?

• 18.4

• 18.3

• 18.1

• 18.2

How do you know that the numbers 52 and 55 in Han's method represent tenths?

• They are in the tenths column.

• They are in the hundredths column.

• They are in the units column.

• They are in the thousandths column.

What is the product of 2.43 and 13?

• 30.59

• 32.59

• 33.59

• 31.59

What is one equivalent division expression for 61.12 ÷ 3.2?

• 611.2 ÷ 320

• 61.12 ÷ 32

• 6112 ÷ 320

• 611.2 ÷ 32

What is the value of 61.12 divided by 3.2?

• 19.2

• 19.1

• 19.4

• 19.3

Approximately how many pennies are in a bag that weighs 5.1 kilograms if each penny weighs 2.5 grams?

• 2200

• 2100

• 2040

• 2000

What is the difference between 2.5 and 1.6?

• 0.8

• 0.9

• 0.6

• 0.7

How many students take public transit if 460 students walk to school and 20% of them take public transit?

• 94

• 95

• 93

• 92

How many students ride the school bus if 460 students walk to school and 110% of them ride the bus?

• 509

• 508

• 507

• 506