Decimal Review!!!

Decimal Place Value

100

What is the value of the 6 in the number 1,398.056?

0.006

200

What number is in the hundredths place in the number 3,418.913?

1

300

Write the number 143.801 in expanded form.

100 + 40 + 3 + 0.8 + 0.001

400

What is the value of the number 2 in the number 8,387.264?

0.2 or 2 tenths

500

Write the number 654.031 in expanded notation.

(6 X 100) + (5 X 10) + (4 X 1) + (3 X 0.01) + (1 X 0.001)

Comparing Decimals

100

Compare the following 2 numbers using <, >, or =.

26.2 and 26.23

26.2 < 26.23 or 26.23 > 26.2

200

Compare the following 3 numbers using <, >, or =.

34.514, 34.5, 34.51

34.514 > 34.51 > 34.5 OR 35.5 < 34.51 < 34.514

300

Put the following numbers in order from greatest to least.

14.3, 14.45, 14.451, 14.32

14.451, 14.45, 14.32, 14.3

400

Put the following numbers in order from least to greatest.

121.4,122.4, 121.3, 121.32

121.3, 121.32, 121.4, 122.4

500

Which comparison is NOT true?

A.        4.475 > 4.275

B.     8.775 < 8.8

C.    4.24 > 4.265

D.        6.895 < 6.95

C.    4.24 > 4.265

Rounding Decimals

100

What is 154.341 rounded to the nearest tenth?

154.300 or 154.3

200

What is 243.457 rounded to the nearest hundredth?

243.460 or 243.46

300

what is 134.619 rounded to the nearest whole number?

135.000 or 135

400

What is 145.672 + 243.431 rounded to the nearest tenth? 

389.1

500

Annie had $165.32. She spent $56.53 dollars. Rounding to the nearest whole number, about how much money does Annie have now?

About $108

Decimal GEMDAS

100

15.483 + 48.317

63.8

200

67.89 - 34.147

33.743

300

86 - (12 X 5) + 12.45

38.45

400

[(22 ÷ 2) + 5.48] - 3.241

13.239

500

[(80 ÷ 5) + 13.412] - 5.4

24.012

Adding & Subtracting Decimal Word Problems

100

Melany used a ten dollar bill to buy an ice cream for $4.56. How much money does Melany have left?

$5.44

200

Diana's dog weighs 4.071 pounds. Gabby's dog weighs 8.5 pounds. How much more does Gabby's dog weigh than Diana's?

4.429 pounds

300

Valeria uses 45.3 milliliters of red paint for a project. She also uses 50 milliliters of yellow paint and 16.045 milliliters of white paint. How many total milliliters of paint does Valeria use?

A.    111.345 mL

B.     489.045 mL

C.    111.75 mL

D.    101.345 mL

A.    111.345 mL

400

Reagan purchased one pet carrier that cost $21.89 and 2 bags of cat food that cost $16.49 each. What was the total cost of these items?

A.     $54.87

B.      $38.38

C.     $43.67

D.      $32.98

A.     $54.87

500

Anabelle took a $10 bill to the movies. She spent $5 on her ticket, $1.75 on popcorn, and $1.65 on a soda. How much money did Anabelle have when she left the movie?

A.     $8.40

B.      $1.50

C.     $1.60

D.     $8.30

C.     $1.60