7G1 Math Exam Review First Semester

Solve the inequality. -1.6y < -32

y < 20

Solve the inequality. y-17 ≥ -12

y ≥ 5

Complete the statement using < > or =. |-5| _______ -9

|-5| > -9

Find the unit rate. $28 for 7 people

$4/1

Ch. 1 Find the absolute value of |15|

15

How many 3/4 pound burgers can be made with 12 pounds of hamburger?

16

Ch. 4, Write the word sentence as an inequality. A number y added to 2 is greater than 7

2 + y > 7

Factor out the coefficient of the variable. 2.2x + 4.4

2.2 (x + 2)

Ch. 5, Write the ratio as a fraction in simplest form. 18 girls to 9 boys

2/1

Find the absolute value of |-20|

20

Complete the statement using < > or =, 3______|-10|

3 < |-10|

An RV park receives $300 per month from each residential site that is occupies as well as $2000 from their overnight sites. Write and solve an inequality to find the number of residential sites that must be occupied to make al leats $14000 in revenue each month

300x + 2000 ≥ 14000. X ≥ 40

Write the decimal as a fraction or mixed number in simplest form. 4.18

4 9/50

Add or subtract. Write fractions in simplest form. 5.6 + (-1.3)

4.3

Write the decimal as a fraction or mixed number in simplest form. -0.43

43/100

Divide if possible, -65 ÷ (-13)

5

Tell whether the given value is a solution of the inequality. p + 1.6 ≤ 4 ; p = 5

No

Tell whether the ratios form a proportion. 124/98, 315/225

No

Ch. 2, Write the rational number as a decimal. -13/22

-.590 ( if you put the line over the number in the study guide you are right because I cant find it on a chromebook)

Complete the statement using < > or =. -1 2/9______ -5/4

-1 2/9 > -5/4

Order the numbers from least to greatest. 4/3, -0.3, -1/3, 1.2, 3/2.

-1.3, -0.3, 1.2, 4/3 , 3/2.

Multiply or divide. Write fractions in simplest form. 2/3 ÷ (-14)

-1/21

Find the sum or difference (3x + 8) -6(2.5x-3)

-12x + 26

Evaluate the expression (-114) + 32 + (-74)

-156

Add or subtract. Write fractions in simplest form. -12.41 - (-9.95)

-2.46

Multiply, -3 x (-13) x (-6)

-234

Evaluate the expression, 88 + (-123) + 0

-35

Find the mean of the integers, -54, -32, -70, -25, -65, -42

-48

Add or subtract. Write fractions in simplest form. -3 1/2 - 1 5/6

-5 1/3

Evaluate. - 2 2/3 ÷ 1 5/6 + 2

-6/11

On a mountain, the temperature decreases by 18°F every 5,000 feet. What integer represents the change in temperature at 20,000 feet?

-72°F

Order the values from least to greatest |-5|, 9, -3, -8, |-12|

-8, -3, |-5|, 9, |-12|

Complete the statement using < > or =. 0.13 _____ 1/8

0.13 > 1/8

Multiply or divide. Write fractions in simplest form. -0.72 ÷ (-0.9)

0.8

Your video game scores are 73, -15, 62, -25, amd 32. 1. What were your lowest scores and highest scores? 2. What was the mean of your score?

1. -25 and 73. 2. -25.4

Write the word sentence as an equation. Then solve. A number multiplied by 1/2 is -5/12

1/2m = -5/12. M = -5/6

Add or subtract. Write fractions in simplest form. 3/5 + (-4/15)

1/3

Multiply or divide. Write fractions in simplest form. -5.7 x (-2.06)

11.742

Multiply, -11 x 4 x (-3)

132

Write the rational number as a decimal, 5 1/6

5.16 ( if you put the line over the number in the study guide you are right because I cant find it on a chromebook)

Your dog's water bowl is 3/4 full. After taking a drink, the water bowl is 1/3 full. What fraction of the bowl did your dog drink.

5/12

Multiply or divide. Write fractions in simplest form. -3/4 x (-10/9)

5/6

Find the unit rate. 360 miles in 6 hours

60/1

You are in a room with other students and are asked to get in groups of 3. When you finished, there are 21 groups of 3. How many students are in the room?

63 Students

Find the sum or difference 1/2 (6x - 10) + 1/3 (6 + 9x)

6x-3

The total cost of football tickets varies directly with the number of the tickets purchased. Four tickets cost $32. How many tickets can you buy using $56?

7 tickets

Write the ratio as a fraction in simplest form. 32 players : 4 teams

8/1

The temperature in St. Louis Missouri, is 25°F. The temperature in Duluth, Minnesota is -27°F. Is the temperature in St. Louis or Duluth closer to 0°F?

St Louis

Ch. 3, Identify the terms and like terms in the expression. -4y + 7 + 9y -3

Terms: -4y, 7, 9y, -3. Like terms: -4y, 9y~-3~7

Divide if possible, -16 ÷ 0

Undefined

Solve the equation. y + 10.5= -8.32

Y=-18.82

Solve the inequality. -13 ≥ -5c + 2

c ≥ 3

Solve the proportion. d/6 = 72/48

d = 9

Solve the equation 12 = 2f + 3.2

f = 4.4

Write the word sentence as an inequality. A number m minus 1.5 is no less than 2

m - 1.5 ≥ 2

Solve the equation m - 1/3 = 5/6

m = 7/6

Solve the proportion. 4/7 = 44/m

m = 77

Solve the inequality. r ÷ 5 < 2

r < 10

Solve the equation -3v = -4.2

v = 1.4

Solve the equation x ÷ 2.1 = -6.8

x = -14.28

Write the word sentence as an equation. Then solve. The quotient of a number and 0.2 is -2.6

x ÷ 0.2 = -2.6. X = -0.52