Decimal Fractions

tenths to hundredths

100

8/10= ?/100

80/100

200

13/10 = ?/100

130/100 

300

4/10 = ?/100

40/100

400

18/10= ?/100

180/100

500

5/10 = ?/100

50/100

Decimals on a number line

100

Identify the decimal number that is associated with point A. 

<--l---l---l---l---l---l---*---l---l---l---l---l---l---l---l-->      0               0.5      A            1                    1.5

0.7

200

<--l---l---l---l---l---l---l---l---l---l---l---l---B---l---l-->      0               0.5                    1                    1.5

Identify the decimal that is associated with point B.

1.3

300

Identify the decimal number associated with point C.

<--l---l---l---C---l---l---l---l---l---l---l---l---l---l---l->   4.25                  4.3                  4.35                    

4.28

400

<--l---l---l---l---l---l---l---l---l---l---l---D---l---l---l->   4.25                  4.3                  4.35                    

Identify the decimal number associated with point D.

4.36

500

Identify the decimal number associated with point E.

<--l---l---l---l---l---l---l---l---E---l---l---l---l---l---l->   4.25                  4.3                  4.35                    

4.33

Comparing Decimals

100

0.03       0.34

0.03 < 0.34

200

0.1       0.10

0.1 = 0.10

300

13 tenths         0.13

13 tenths > 0.13

400

1.06       1 6/10

1.06 < 1 6/10

500

4 tenths + 3 hundredths      1 tenth + 15 hundredths

4 tenths + 3 hundredths  > 1 tenth + 15 hundredths

Adding tenths and hundredths

100

5/10 + 3/100 =

53/100

200

7/10 + 40/100= 

110/100= 1 10/100 = 1 1/10

300

14/100 + 14/10

154/100 = 1 54/100

400

2/10 + 14/100 + 6/10

94/100

500

4/10 + 50/100 + 7/10

160/100 = 1 60/100 = 1 3/5

Word Problems

100

Ms. McCartney has 2 dollars, 3 dimes, and 4 pennies. Mr. Johnson has 1 dollar and 5 quarters. How much money do the two have altogether? 

$4.59

200

Mrs. Isaac and Ms. Mason ran in a relay race. Mrs. Isaac had a time of 7.8 seconds. Ms. Mason had a time of 8.34 seconds. Together, how long did it take them to complete the race. Record you answer as a decimal. 

16.14 seconds

300

Rosa mailed 182 invitations for her quinceañera. Her cousin mailed 34 more invitations than Rosa.

Rosa: 182
Cousin: 182 + 34 = 216
Total: 398

400

Mrs. Hudleton and Ms. Allen each have a water bottle. They mark their bottles to show tenths. They each fill their bottle to show 0.9 units of water. However, Mrs. Hudleton has more water in her container. How is this possible?

They have different size containers so the units of tenths are not the same size. 

500

Jevon and Amira competed in a community track meet.

Jevon jumped 4.8 meters.

Amira jumped 0.95 meters less than Jevon.

What is the total height of their jumps in meters?

Amira: 4.8 − 0.95 = 3.85
Total: 4.8 + 3.85 = 8.65 meters