Math Review Units 4-6

Fractions

100

Louis had 7/9 cup of milk. He used 3/9 cup to make pancakes and 2/9 to make muffins. How much did he have left after making both?

4/9

3/9+2/9=5/9

7/9-5/9=4/9

200

Draw a model to show 2/4. Then show 8 equal parts and write the equivalent fraction.

4/8

300

Lucy spent 2 and 1/4 hours riding her bike. She spent 3 and 3/4 hours playing video games. How much more time did she spend playing video games?

1 and 2/4

3-2=1

3/4-1/4=2/4

combine them to get 1 and 2/4

400

Maria takes guitar lessons that last 4/5 of an hour. She had 4 lessons last week. How much time did she spend at her guitar lessons last week?

Your final answer should be a mixed number.

3 and 1/5 hours.

4X4/5= 16/5

16/5=3 and 1/5

500

Tell whether the following 2 inequalities are true or false

A. 5/8 < 1/3

B 4/5 > 3/6

hint: draw a picture, cross multiply, or use benchmarks to help you

A=false

B=True

Decimals

100

Write these fractions as a decimal

A. 34/100

B 6/10

A= 0.34

B= 0.6

200

Carol's hair grew 2.45 centimeters since her last haircut. Delilah's hair grew 2.03 centimeters since her last hair cut. Whose hair grew less? Explain.

Delilah's 

2.03< 2.45 because the whole number parts are the same but 3 hundredths is less than 45 hundredths. 

300

Which is greater

0.25 or 0.3

hint: line up your decimals

0.3

400

Write of the following decimals are between 0.4 and 0.65. Choose ALL that apply.

A 0.06

B 0.76

C 0.41

D 0.37

E 0.5

C 0.41 and E 0.5

500

A pound of grapes cost $2.49. Jake buys 2 pounds and gives the clerk a $20.00 bill. How much change does Jake get?

$15.02

$2.49+2.49=$4.98

$20.00-$4.98=$15.02

Measurement

100

The community center has a a back deck with a length of 18 feet and a width of 12 feet. Workers are going to install a side deck that is half the length and half the width of the back deck. What is the perimeter of the side deck?

hint: perimeter= L+L+W+W

30 feet

9+9+6+6

18+12=30

200

Name each type of angle from the description below

A. 90 degrees

B. less than 90 degrees

C. greater than 90 degrees.

A=right angle

B=acute angle

C=obtuse angle

300

Which is less: an angle showing through 1/5 of a circle or 1/6 of a circle?

explain your answer

1/6 of a circle. 

If you draw a circle and divide it into 6 parts the parts will be smaller than when you divide a circle into 5 parts.

400

Mr. Simmons has a rope that is 16 feet long. He cuts off 12 feet of rope. He decides to measure the remaining length of rope in inches. How many inches are in the remaining rope?

hint: 1 foot= 12 inches.

48 inches

16-12=4

4x12-48

500

Logan adds 6 minutes of music to his playlist. He listens to 1 song that is 3 minutes and 20 seconds. How much time is left on his playlist in seconds?

Hint 1 minute= 60 seconds.

total time   6x60=360

3x60=180

180+20=200

360-200=160 seconds

Data

100

Imagine you have a line plot showing the weights of different watermelons. How could you find the difference between the heaviest and lightest watermelon?

Answers will vary

possible explanation: Look for the greatest value number that you put an X on and the least value number you put an X on. Then subtract the least from the greatest.

200

Imagine you have a line plot that shows shoe sizes: How could you find out which size shoe was bought the most?

Look at the size that has the most Xs above it. This will show it was bought the most.

300

Create a bar graph to show common shoe sizes that are bought at the local shoe store.

size        number sold

6                 10 shoes

6 1/2            5 shoes

7                 20 shoes

7 1/2          18 shoes

8                 7 shoes

Teacher will check graps

400

Create a pictograph to show pizzas sold each day of the week. Make sure you label all parts of your graph and include a key.

Monday-12

Tuesday-8

Wednesday-6

Thursday-4

Friday-10

Teacher will check your graph.

500

Mr. Jay took a survey of how many pets students have in his class. He collected the following data. Create a line plot with the data and make sure to write a title and label your line.

2, 6, 8, 4, 2, 10, 7, 4, 2, 6

Teacher will check your line plot

Shapes and Angles

100

Draw a right, isosceles triangle

Teacher will check

200

Draw a 4 sided shape that has 2 lines of symmetry and a 4 sided shape that always has 4 lines of symmetry. 

Answers will vary: look at students pictures. 

300

Draw and label each of the following

ray, line, line segment

Look at students' work

400

Name the triangle by angles and sides that is being described below. 

3cm, 3cm, 3cm

Draw the triangle if you need to. 

acute, equilateral

500

Draw a 4 sided shape that has both parallel and perpendicular lines. Label the lines to show you know what parallel and perpendicular mean. 

Teacher will check