Miscellaneous
What does NWS stand for?
Name, Write, & Solve
h ÷ 3 = 24
Solve.
h = 72
Are the two equations equivalent?
50p = 8,500
8,500 ÷ p = 50
Yes
MaKayla needs to swim a total of 8 miles this week. So far, she's swam 53/8 miles. Use the equation
53/8 + m = 8 to find how many more miles she needs to swim.
25/8 miles
What is the inverse operation of division?
Multiplication
3/4 x = 3
Solve.
x = 4
Ms. Woods has a box of 120 cookies and she wants to give them away equally between herself and 4 students. Write an equation to represent how many cookies each person will get.
5x = 120
Colin is a math tutor. He charges the same amount, s, for every tutoring session. After 21 sessions he has earned $1,575. How much does Collin charge for one tutoring session?
1,575 ÷ 21 = s
s = $75
What are the operations of Math?
Addition, Subtraction, Multiplication, and Division
156 ÷ w = 12
Solve.
w = 13
Teddy is 7 years older than Bella. If Teddy is 24, what is Bella's age, b? Write an equation to represent Bella's age.
24 - b = 7
There are 45 houses in Grey's Lake subdivision. Each house uses 400 gallons of water each day. Write and solve an equation to represent the total number of gallons of waters used daily in Grey's Lake.
w ÷ 45 = 400
w =18,000
Explain how to isolate the variable in the following equation:
81=2m
Divide both sides of the equation by two
3/8y = 9
Solve.
y = 24
Sam needs 71/2 cups of water to make lemonade. She can only find her two-cup measuring cup. Write an equation to represent how many times, m, she will have to fill her measuring cup to make lemonade.
2m = 71/2
One box of pasta will cost the same at each store! It just depends if you want to buy 10 boxes!
How do you 'undo' the multiplication of a fraction?
Multiply by the fraction's reciprocal
This has nothing to do with Math but...
What is Mrs. Scott's baby's full name?
Mckenna Carlene Scott
DOUBLE POINTS!!
In a chess club, 75% of the members are boys. Of the boys, half of them have blue eyes. If 6 boys have blue eyes, how many people are in the chess club?
Write an equation to solve.
0.75(x) = 6(2)
Where x represents the number of people in the chess club.
Can any equation that is written using addition be written as an equivalent equations using subtraction? Explain and show an example.
Yes, addition and subtraction are inverse operations.
Ex. 3 + x = 4
x = 4 - 3 are equivalent equations