4th Grade enVision Topic 3 review

Front

What is multiplication?

Back

Multiplication is a mathematical operation that represents the repeated addition of the same number. For example, 3 x 4 means adding 3 four times: 3 + 3 + 3 + 3 = 12.

Front

What does the equation 6 x 22 = w represent?

Back

This equation shows that 'w' is the product of 6 and 22. It can be used to find the total when 6 groups of 22 items are combined.

Front

How do you calculate the total number of items sold over multiple weeks?

Back

To find the total sold over multiple weeks, multiply the number sold in one week by the number of weeks. For example, if 100 muffins are sold each week for 3 weeks, the total is 100 x 3 = 300.

Front

What is the result of 195 x 6?

Back

The result of 195 x 6 is 1,170.

Front

What does the expression 4 x 154 represent?

Back

This expression represents the total when 4 groups of 154 items are combined. It can be used to find the total number of items.

Front

What is a bar diagram?

Back

A bar diagram is a visual representation of data using bars of different lengths to show quantities. It helps in comparing different values easily.

Front

How do you find the total number of pancakes and waffles sold in 5 weeks?

Back

To find the total, first calculate the total sold in one week (602 pancakes + 482 waffles = 1,084). Then multiply by 5 weeks: 1,084 x 5 = 5,420.

Front

What is the purpose of using parentheses in mathematical expressions?

Back

Parentheses indicate which operations should be performed first in a mathematical expression. For example, in 4 x (100 + 4), you add 100 and 4 first, then multiply by 4.

Front

What is the difference between addition and multiplication?

Back

Addition combines quantities to find a total, while multiplication finds the total of equal groups. For example, 3 + 2 = 5 (addition) and 3 x 2 = 6 (multiplication).

Front

What does the term 'expression' mean in mathematics?

Back

An expression is a combination of numbers, variables, and operations (like +, -, x, ÷) that represents a value. For example, 3x + 2 is an expression.