REVIEW
decimals and operations / Name: ______
Date: ______
Period: ______ / Math +
HW #6
Section A: Place and value.
1)34,209.53What place is the underlined digit in?______
What is the value of the underlined digit? ______
2)8,043.1What place is the underlined digit in?______
What is the value of the underlined digit? ______
3)71,064,294What place is the underlined digit in?______
What is the value of the underlined digit? ______
4)83.653What place is the underlined digit in?______
What is the value of the underlined digit? ______
5)1,407.32What place is the underlined digit in?______
What is the value of the underlined digit? ______
6).00005What place is the underlined digit in?______
What is the value of the underlined digit? ______
7)345.677What place is the underlined digit in?______
What is the value of the underlined digit? ______
8)73,295What place is the underlined digit in?______
What is the value of the underlined digit? ______
Section B: Adding Decimals. Follow the rules! Show all work neatly in this space!
9.) 70.1 + 35410.) 9012.5 + 133.73
11.) 0.43 + 12.90512.) 25.25 + 14.8
Section C: Subtracting Decimals. Follow the rules! Show all work neatly in this space!
13.) 90,503 - 80114.) 1,703 - 88.5
15.) 9.054 - 2.316.) 950 - 18.43
17.) 83.56 - 10.1218.) 5.64 - 1.002
Section D: Multiplying Decimals. . Follow the rules! Show all work neatly in this space!
19.) 135 x 20320.) 219.1 x 0.5
21.) 121.85 x 4.222.) $32 x 0.12
23.) 35.4 x 2.1224.) 9.0723 x 4.1
Section E: More on place value.
19.) Write the number: seventy-two thousand, nine hundred fifty four, and one tenth
20.) Write the number: six thousand, and three thousandths
21.) Write the number: two hundred, sixty-eight, and two millionths
22.) Circle/highlight the digit in the tens place: 438,174.23
23.) Circle/highlight the digit in the tenths place: 438,174.23
24.) Circle/highlight the digit in the ten thousands place: 438,174.23
Section F: OPERATION MIX-UP! Careful!
25.) 15.2 + 8.5427.) $900.98 - 12.02
28.) 872.01 + 1429.) 12.3 x 7.2
30.) 4.27 x .0131.) 10 - 6
Section G: Story Problems.
Add? Subtract? Multiply? Be careful!Underline the key word(s) that indicate what operation you will use. Read carefully. Show all work neatly. Write a sentence to answer the question from each problem.
32.) AJ is doing drills for football practice. His coach is 18.5 yards away. He has to sprint from the goal line to the coach 12 times. How many yards is AJ going to run?
Show work:
Answer (sentence): ______
______
33.) Kecher is using a homemade rain gauge to measure precipitation. On Monday he recorded 4.4 inches of rainfall. On Tuesday he recorded 11.2 inches of rainfall. How much more rain was there on Tuesday then Monday?
Show work:
Answer (sentence): ______
______
34.) Eli is listening to some songs on his MP3 player. One song is 3.8 minutes long. The next song is 2.25 minutes long. How much time passes when Eli listens to these two songs?
Show work:
Answer (sentence): ______
______
35.) Logan and Angel are letting their hair grow long so that they can donate some to the Locks of Love foundation. Logan’s hair grows to be 24.75 inches long. Angel’s is 29.5 inches long.
PART A: Who’s hair is longer, and by how much?
Show work:
Answer (sentence): ______
______
PART B: Both girls donate 10 inches of hair. What are their new hair lengths?
Show work:
Answer (sentence): ______
______
36.) Rylie is putting a yellow ribbon around the edges of this picture frame. If the frame is 8.75 cm long and 6.2 cm wide. How much ribbon will she need?
Show work:
Answer (sentence): ______
______