Expressions and Equations
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Four times a number plus six is 30.
4x + 6 = 30
-10 ÷ 2 + (-7)
-12
Find the equivalent fraction of 16/20
4/5
It is the sum of all the lengths of the sides of a two-dimensional figure.
perimeter
Cheryl gets paid $8 per hour for her job at the record store. She made a total of $96 last week. Which equation models this situation?
8h = 96
Solve the equation:
5r + 2 = 27
5
-5 + 6 - (-9) - 1
9
Write the improper fraction as a mixed number 13/4
3 1/4
It is the total measurement of a space occupied by a two-dimensional figure.
area
Seven less than twice a number h, equals three.
2h - 7 = 3
Solve.
y/9 = 3
27
True or False: When you square a negative number, it becomes positive.
True
8/10 ÷ 2/5
2
surface area
Out of 40 students in a class, 25% passed. How many students passed ?
10
Solve:
- 2s = - 38
19
What is the correct order of operations?
Parentheses, Exponents, Multiply & Divide, Add & Subtract
There was 5/8 of a pie left in the fridge. Daniel ate 1/4 of the leftover pie. How much of a pie did he have?
5/32
What is the formula to find the area of a triangle?
A = 1/2bh
Cody's dog, Frisky, eats 242.4 pounds of dog food each year. How much dog food does Frisky eat each month?
20.2
Solve.
96=6(k+8)
8
Which problem has a solution of 24?
a) −6+6(3)
b) −8+4(9−1)
c) −10+2(2)
d) 7+1(11−8)
b) −8+4(9−1)
Brianna filled an bathtub with 6/8 gallon of water. Soon she realized that there was only 4/8 gallon of water. How much water leaked out of the tub?
2/8
What is the formula to find the surface area of a cube?
6s2
Jenny's classroom is in the shape of a square. The total perimeter of the classroom is 87.2 feet. To find the length of one wall, Jenny divides the total perimeter by the 4 walls. What is the length of one wall?
21.8