4th Grade enVision Topic 2 Review

Front

What is subtraction?

Back

Subtraction is the mathematical operation of finding the difference between two numbers. It involves taking one number away from another.

Front

What is the total number of parking spaces if Lot A has 1,200, Lot B has 1,900, and Lot C has 2,800?

Back

The total number of parking spaces is 5,900 (1,200 + 1,900 + 2,800).

Front

How do you estimate a sum by rounding to the nearest hundred?

Back

To estimate a sum by rounding to the nearest hundred, round each number to the nearest hundred and then add the rounded numbers together.

Front

What is the missing number in the equation 33,529 - ? = 16,347?

Back

The missing number is 17,182.

Front

How do you find the difference between two numbers?

Back

To find the difference, subtract the smaller number from the larger number.

Front

What is the meaning of 'estimate' in mathematics?

Back

An estimate is an approximate calculation or judgment of a number, often used when exact numbers are not necessary.

Front

If a store sold 875 gift cards in 2014 and 259 in 2013, how many more were sold in 2014?

Back

616 more gift cards were sold in 2014 (875 - 259 = 616).

Front

What is rounding?

Back

Rounding is the process of adjusting a number to the nearest specified value, such as the nearest ten or hundred.

Front

What is the purpose of using a table to organize data?

Back

A table helps to organize data in a clear and concise manner, making it easier to read and analyze.

Front

What is the definition of 'difference' in mathematics?

Back

The difference is the result of subtracting one number from another.