3.NBT.3

Front

What is subtraction?

Back

Subtraction is the process of taking one number away from another. For example, 10 - 3 = 7.

Front

What does it mean to multiply?

Back

Multiplication is a way of adding a number to itself a certain number of times. For example, 4 x 3 means 4 added together 3 times: 4 + 4 + 4 = 12.

Front

What is the result of 74 - 28 - 9?

Back

The result is 37. Carrie has 37 necklaces left.

Front

What is the order of operations in math?

Back

The order of operations is a set of rules that tells you the sequence to follow when solving math problems: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Front

What is the value of 10 x (3 + 5)?

Back

The value is 80. First, solve the parentheses: 3 + 5 = 8, then multiply: 10 x 8 = 80.

Front

What does the equation 70 x 3 equal?

Back

The equation 70 x 3 equals 210.

Front

What is the product of 3 and 80?

Back

The product of 3 and 80 is 240.

Front

How do you add two numbers together?

Back

To add two numbers, you combine their values. For example, 431 + 511 = 942.

Front

What is a number line?

Back

A number line is a straight line with numbers placed at equal intervals along its length, used to represent numbers visually.

Front

What is a digit?

Back

A digit is any of the ten symbols used to write numbers: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9.