7th grade REVIEW 1
How do you find the PERIMETER of a rectangle?
Two times the sum of the length and width (2 x L + W)
or just add all four side lengths together
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+2.34
8.01
What is the first step in Order of Operations?
Groupings
How many sides does an HEXAGON have
SIX
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
Type of number with a numerator and denominator
fraction
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=6
2
how do you find the area of a triangle?
1/2 b*h
This shape has 4 congruent (equal) sides and 4 right angles
square
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 + 5?
-1
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
What is the area of a triangle with a base of 9 and a height of 10?
45 sq. ft.
one fourth of $300
$75
what value of x makes the expression 2x + 6 equal to 12
3
Calculate [10 x 202 + 2(3 x 50) + (-105/-5)]
4321