7th grade REVIEW 1
What is the vocabulary word that means the distance from 0?
absolute value
-3.24 + -2.7 =
-5.94
2 rabbits and 2 giraffes were found walking in the zoo. How many legs do they have in all?
16 legs
add: -5.67+2.4
-3.27
A jacket is marked down from $25 to $20. What is the markdown percent?
20%
Target sells a jewelry box for $30. They decide to mark up the price by 10% because of inflation. What is the new price?
$33.00
Sarah wanted to buy a shirt for $30. She earns $10 an hour babysitting. How many hours will she have to babysit to earn enough money to buy the shirt?
3 hours
10 x 3.67
36.7
What is the constant of proportionality in the equation y = 1.5x ?
k=1.5
True or False:
You would calculate the sum of 10 and 5 before you find the quotient of -75 and 5. Explain your answer
False:
Sums are addition and quotients are division, and Order of Operations says to do all multiplication or division BEFORE you add or subtract
Which number is less? 8.67 or 8.438
8.438
Solve for y: 3y + 1=7
2
Solve for n:
3n + 12 = 6
n = -2
45 people helped box supplies at the charity event. That was just 15% of the people. How many people were at the charity event?
300
How much is 100 - 20 - (3 x 3)2 + 2 - 1?
ZERO
Gracie is buying apples. They cost $1.35 per pound, and she purchased 12 pounds. How much did the apples cost her?
$16.20
A Salt March Harvest Mouse ran a 200 centimeter straight course race in 9 seconds. How long would it take to run 400 centimeters?
18 seconds
Solve using the DISTRIBUTIVE PROPERTY!
5 (9 - 3)
30
What is the sum of -6 + 15?
What does 20 x 100 + 30 x 10 + 80/2 + 5 equal?
2345
Solve: Joe had 9 baseball cards. Jack had 3 times as many, then he gave Jill 2. How many does Jack have now?
25
80% of people at a party eat pizza. There are 160 people at the party. How many people eat pizza?
200 people
one fourth of $300
$75
what value of x makes the expression 2x + 6 equal to 12
3
How can you tell on a graph if an equation is linear and proportional?
It makes a straight line and goes through the origin.