Conjectures
Subtraction problems can be rewritten as...
adding its opposite
Solve for the variable:
x + 16 = 12
x = -4
Is the product of this expression positive or negative?
(-3) x (-14) x (-9)
Negative
As a percent, what is the probability of landing on heads when flipping a coin?
50%
Simplify:
1/2 x 4/5
2/5
The result after multiplying two numbers together.
Product
Evaluate:
3x - 23 = 76
x = 33
Simplify the expression:
-14 + (-37) + 64
13
What are the three different ways that a probability can be represented?
Percent, Decimal, Reduced Fraction
Simplify:
2/5 ÷ 3/4
8/15
The result after dividing two number.
Quotient
Solve for g:
(-21) + g/3 + 14 = 47
Simplify the expression:
x + x + 7 + x + (-x) + (-8.5)
2x + (-1.5)
Mr. Asaro makes 18 out of 26 free throws while Mr. Walsh makes 14 out of 22. Who has a better free throw percentage and by how much?
Mr. Asaro is the better free throw shooter by 0.05 or 5%
Mr. Asaro - 0.69
Mr. Walsh - 0.64
Simplify:
2/4 + 2/5
9/10
Unknown values can be represented with a...
Variable
Solve for x:
3x + 9 + (-5x) + 7 = 64
x = -24
Aaron is $16 in debt. He borrows $4 more dollars from his sister. He then earns $10 babysitting and pays off some of his debt. Create an expression and determine how much money Aaron has.
-16 + (-4) +10
-10
Jose is going to conduct a probability experiment of tossing a coin and seeing how many times it lands on heads. Using the idea of theoretical probability predict how many times Jose can expect the coin to land on heads if he conducts 10, 50, or 192 trials.
10 trials
50 trials
192 trials
10 trials - 5 times
50 trials - 25 times
192 trials - 96 times
Simplify:
2/4 x 6/8 ÷ 1/2
3/4
A pair of two numbers that when multiplied together will always equal 1.
Reciprocal
Determine the values of x:
-3x - 15 < 45
x > -20
Simplify the expression:
3n - 4(n - 1/2)
-n + 2
Sarah spins a spinner with equal sections labeled A, B, C, and rolls a six-sided die. What is the total number of outcomes in her experiment?
3 outcomes (Spinner)
6 outcomes (Die)
3 x 6 = 18 total outcomes
Simplify:
24 x 1/2 ÷ 3/4 + 1/3
16 1/3