Decimals

Decimals

What is a Decimal?

In algebra, a decimal number can be defined as a number whose whole number part and the fractional part is separated by a decimal point. The dot in a decimal number is called a decimal point. The digits following the decimal point show a value smaller than one.

Multiple Choice

7.87 + 3.6 = 

• 11.47
• 4.27
• 8.23
• 10.93

Multiple Choice

5.0 + 3.2 

• 5.9
• 6.8
• 10.9
• 8.2 

Multiple Choice

12.9 + 2.9

• 15.8

• 12.8

• 15.0

• 7.9999

Multiple Choice

What is 3.8 - 3.19?

• 0.61

• 1.45

• 0.79

• 2.45

Multiple Choice

What is 4.09 - 2.27?

• 1.82

• 6.36

• 2.40

• 2.02

Multiple Choice

What is 2.14 - 1.04?

• 1.89

• 1.1

• 3.18

• 0.76

Multiple Choice

0.91 x 8.4

• 764.4

• 76.44

• 7.644

• 7,644

Multiple Choice

3.8 x 7.5

• 28.5

• 2.85

• 0.285

• 285

Multiple Choice

2.7 x 46

• 124.2

• 12.42

• 1.242

• 1,242

Multiple Choice

20.4 ÷ 3

• 68

• 59

• 6.8

• 5.9

Multiple Choice

What is 63.2 divided by 5?

• 12.63

• 12.87

• 12.64

• 12.65

Multiple Choice

A florist sells a dozen roses for $29.88. What is the cost of one rose?

• $2.41

• $2.49

• $2.40

• $2.08

Multiple Choice

A carpenter bought a piece of wood that was 0.69 meters long. Then he sawed 0.54 meters off the end. How long is the piece of wood now?

• 1.23 meters

• 0.15 meter

• 1 meter

• 0.14 meter

Multiple Choice

What is 7.398 rounded to the nearest hundredth?

• 7.40

• 7.30

• 7.39

• 7.00

Multiple Choice

What is 8.72 rounded to the nearest tenth?

• 8.8

• 8

• 8.7

• 9

Multiple Choice

Which sign makes the statement true?

1.563_____1.536

• >

• <

• =

Multiple Choice

In 1.283, what digit is in the thousandths place?

• 1

• 2

• 3

• 8

Multiple Choice

What is nine hundredths in standard notation?

• 900

• 0.9

• 0.09

• 0.90