Yes. I can multiply coefficients of any variables so I can multiply 7a and 3b together to get 21ab.
Oops!
Check
Okay!
Check
25
Everytime Kyle and Leah play basketball, Kyle makes 1/3 as many shots as Leah does. Write an expression to show how many shots Kyle makes.
x/3
Oops!
Check
Okay!
Check
25
Solve the expression: (4 x 7)^2 + 3(7-5)
778
Oops!
Check
Okay!
Check
20
Solve the expression: 3(4+7) - 2(3-1)
29
Oops!
Check
Okay!
Check
eraser
Reset score!
Oops!
fairy
Take points!
5
10
15
20
25
gift
Win 5 points!
Okay!
lifesaver
Give 20 points!
Oops!
20
Are these expressions equivalent? 5ab + 7b + 3a - 5ab = 10ab
No. You can only add coefficients of variables that are the same. I cannot add 7a and 3b but I can subtract 5ab from 5ab.
Oops!
Check
Okay!
Check
boom
Lose 50 points!
Oops!
seesaw
Swap points!
Okay!
rocket
Go to first place!
Okay!
thief
Give points!
5
10
15
20
25
25
Solve the exponent 4^4
256
Oops!
Check
Okay!
Check
15
Write the exponent 3^5 in expanded form.
3 x 3 x 3 x 3 x 3
Oops!
Check
Okay!
Check
10
What is a variable? Give an example
A variable is a letter that represents any given number (This is something we do not know in a problem.) Example: 3x + 5 with the x being the variable.
Oops!
Check
Okay!
Check
20
Jane needs to pay her parents $300. She already has $125 and earns $15 a week. Write an expression to show how many weeks it will take her to save up all of the money.
125 + 15x
Oops!
Check
Okay!
Check
20
Are these expressions equivalent? 3n - n = n - 3n
No. If you make n=1 the left side would be 3-1 and the right side would be 1-3. Therefore these are not equivalent.
Oops!
Check
Okay!
Check
25
Simplify the Expression: 3x(x + 3y)
3x^2 +9xy
Oops!
Check
Okay!
Check
banana
Go to last place!
Oops!
shark
Other team loses 20 points!
Okay!
shark
Other team loses 25 points!
Okay!
banana
Go to last place!
Oops!
10
What is an operation? Give an example.
An operation is a symbol (+,-,x,/) that tells us what to do in a math problem. An example would be addition.
