Week 15- Warm Up # 68- 12/12

Front

What is a ratio?

Back

A ratio is a relationship between two numbers that shows how many times the first number contains the second. It is often expressed as 'a:b'.

Front

How do you calculate the total number of toy cars?

Back

To find the total number of toy cars, add the number of each color together: 2 (black) + 3 (red) + 5 (white) = 10 toy cars.

Front

What is the ratio of red toy cars to all toy cars if there are 3 red cars out of 10 total cars?

Back

The ratio is 3:10.

Front

What does it mean to evaluate an expression?

Back

To evaluate an expression means to calculate its value by performing the operations indicated.

Front

What is 5 raised to the power of 4?

Back

5^4 = 625.

Front

Back

The result is 12.

Front

Back

The simplification gives -19.

Front

What is the result of subtracting a negative number, such as 5 - (-9)?

Back

Subtracting a negative number is the same as adding its positive counterpart, so 5 - (-9) = 5 + 9 = 14.

Front

What is the definition of a negative number?

Back

A negative number is a number that is less than zero, often used to represent a loss or a decrease.

Front

What is the principle of order of operations in mathematics?

Back

The order of operations is a set of rules that dictates the sequence in which calculations are performed: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).