Keep It Real
Hip to Be Square
Fractions and Decimals and Such
Ratios
Evaluating Expressions
100
This type of number can be written as a fraction, or more accurately, a ratio of two integers.
What is a rational number?
100
This is the square root of 36.
What is 6?
100
1/10 expressed as a decimal would be this.
What is 0.1?
100
The ratio of students who walk to school is 1:5. If there are 325 students in the school, this is the total number of students who walk.
What is 65?
100
If x = 4, this is the value of the expression: x^2 + x - 16.
What is 4?
200
The counting numbers are also known by this term.
What is "Natural Numbers"?
200
This is the square root of 64.
What is 8?
200
123,000 expressed in scientific notation looks like this.
What is 1.23 x 10^5?
200
If four of every 100 people have ever run a marathon, this is the number out of 2,125 people that you you can expect to have run a marathon.
What is 85?
200
This is the value of 3x^3 + x^2 + 2 when x=2.
What is 30?
300
0, 1, 2, 3, 4...are examples of this subset of the real number system.
What is "Whole Numbers"?
300
11 squared is equal to this number.
What is 121?
300
This is the greater of the following two numbers: 1/8 or 0.13.
What is 0.13?
300
3 is to 27 as 27 is to this number.
What is 243?
300
This is the value of x/3 + 4x - 27 when x=9.
What is 12?
400
The whole numbers and their negative opposites are known by this term.
What is "Integers"?
400
13 squared is equal to this number.
What is 169?
400
If you convert 2.45 x 10^-2, you get this.
What is 0.0245?
400
14 is to 196 as 2 is to this number.
What is 28?
400
This is the value of x + 5 - 12 + 5x + 1 when you combine like terms.
What is 6x - 6?
500
Pi is one of the most well-known examples of this subset of the real number system.
What is "Irrational Numbers"?
500
This is the square root of 225.
What is 15?
500
5.76% is this number when written in standard form?
What is 0.0576?
500
The amount of sodium in a snack food is reduced from 700 mg per serving to 630. This is the ratio it is reduced compared to the original.
What is 1/10?
500
This is the value of 5x^2 + 9x - 72 when x=3.
What is 0?
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