Envision Topic 4 Review

Front

What is multiplication?

Back

Multiplication is a mathematical operation where a number is added to itself a certain number of times. For example, 4 × 3 means adding 4 three times: 4 + 4 + 4 = 12.

Front

What does it mean for a number to be even?

Back

An even number is any integer that can be divided by 2 without leaving a remainder. Examples include 0, 2, 4, 6, and 8.

Front

What does it mean for a number to be odd?

Back

An odd number is an integer that cannot be divided by 2 evenly, meaning it leaves a remainder of 1. Examples include 1, 3, 5, 7, and 9.

Front

What is an expression in mathematics?

Back

An expression is a combination of numbers, variables, and operators (like +, -, ×, ÷) that represents a value. For example, 4 × 6 is an expression.

Front

What is the value of 0 multiplied by any number?

Back

The value of 0 multiplied by any number is always 0. For example, 0 × 5 = 0.

Front

How do you find the total when dividing items into equal groups?

Back

To find the total when dividing items into equal groups, multiply the number of groups by the number of items in each group. For example, if there are 6 groups with 3 items each, the total is 6 × 3 = 18.

Front

What is a bar diagram?

Back

A bar diagram is a visual representation that uses bars to show quantities. It helps in understanding and solving problems involving division and multiplication.

Front

What is the relationship between multiplication and addition?

Back

Multiplication can be seen as repeated addition. For example, 3 × 4 is the same as adding 3 four times: 3 + 3 + 3 + 3 = 12.

Front

What is the result of dividing an odd number by 2?

Back

When you divide an odd number by 2, you get a quotient that is not a whole number, and there will be a remainder of 1. For example, 5 ÷ 2 = 2 R1.

Front

What is the expression for finding the same value as 5 × 7?

Back

An equivalent expression for 5 × 7 is (2 × 7) + (3 × 7), which also equals 35.