Calculating Decimals

Which of the following decimal numbers is the greatest?

• 3.45

• 3.405

• 3.4

• 34.05

Which of the following decimal numbers is the least?

• 23.08

• 23.01

• 2.80

• 20.01

Which of the following sets of decimal numbers are arranged from descending order?

• 0.34, 0.305, 0.45

• 1.5, 0.5, 0.23

• 1.7, 2.3, 3.4

• 9.0, 5.3, 7.6

Which set of decimal numbers is arranged in increasing order?

• 0.306, 0.35, 0.46

• 1.23, 0.56, 6.7

• 23.78, 12.9, 1.789

• 4.5, 0.341, 1.89

What is 3.56 rounded off to the nearest tenths?

• 3.7

• 3.6

• 3.8

• 4.0

What is 14.21 rounded off to the nearest whole?

• 15.0

• 13.0

• 14.0

• 14.20

Which of the following decimals will become 1.5 when rounded off to the nearest tenths?

• 1.49

• 1.59

• 1.15

• 1.72

Which of the following decimals will become 10 when rounded off to the nearest whole?

• 9.34

• 9.45

• 9.91

• 10.6

Which of the following statement is correct?

• 5.2 < 5.104

• 3.11 > 3.19

• 4.5 = 4.50

• 6.7 < 6.65

Which of the following is the best that you can you use when comparing decimals and even rounding them off correctly?

• Place Value

• Draw a model

• Algorithmic Solving

• Listing