Terms
Give an example of a variable.
What is a letter or unknown number?
Example: x, n, c, f, m
Solve using PEMDAS.
4/2 + (6 - 4)
What is 4?
A number decreased by 8.
What is n - 8?
The equivalent expression for 10(x - 3).
What is 10x - 30?
7f – 2f
What is 5f?
The price of a visit to the dentist is $50 and the dentist fills any cavities for an additional charge of $100 per cavity (c)
50 + 100c
What has to be broken before you can use it?
An egg
The definition of a term.
What is parts of expressions that are separated by addition or subtraction signs?
Solve using PEMDAS where a = 7 and b = 12.
6 x a + b/3
What is 46?
Four times a number.
What is 4n or 4 x n?
The equivalent expression for 6(7x - 8).
What is 42x - 48?
5c + 8c
What is 13c?
The garden club earned $15 per hour by weeding neighborhood gardens for t hours. A generous donor has agreed to double their earnings.
(15t)2
I’m tall when I’m young, and I’m short when I’m old. What am I?
A candle
The definition of PEMDAS.
What is Order of Operations, or Parentheses, Exponents, Multiplication, Division, Addition, Subtraction?
Solve using PEMDAS where k = 5, and f = 8.
(k + 9) + 3 x f
What is 38?
The product of 12 and t.
What is 12t or 12 x t?
The equivalent expression for 4(9x - 2).
What is 36x - 8?
7m – 5m – 6
What is 2m - 6?
Anna baked 3 batches of cookies with c cookies per each batch. She then ate 8 cookies!
3c - 8
A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?
He was bald
A number that is all by itself, not attached to a variable or anything.
What is a constant.
Solve using PEMDAS.
92 - (7 x 5) + 3
What is 49?
3 less than 5 times a number.
What is 5n - 3 or (5 x n) -3?
Turn 20x + 4 into a distributive problem.
What is 4(5x + 1)?
6m – 7 + 2m + 7
What is 8m + 0?
There were 32 volunteers to donate blood. Unfortunately, n of the volunteers did not meet the health requirements, so they couldn't donate. The rest of the volunteers donated 470 milliliters each.
(32-n)470
I shave every day, but my beard stays the same. What am I?
A barber
1. Quotient = ?
2. Sum = ?
3. Difference = ?
4. Product = ?
1. Divide
2. Add
3. Subtract
4. Multiply
Use parentheses to make this number sentence true.
102 - 10 x 3 = 270
What is (102 - 10) x 3 = 93?
6 more than a number squared.
What is n2 +6?
Turn 70x - 10 into a distributive problem.
What is 10(7x - 1)?
12y – 8 + 4y + y
What is 17y - 8?
Grandma Gertrude gave 13 pieces of jewelry and Grandma Fien gave y pieces of jewelry to the Carlson sisters to divide evenly among themselves. There are 5 Carlson sisters.
(13 + y) / 5
What do you buy to eat but is never eaten?
plates, bowls, and utensils