3rd Math December Math Test

Front

What is standard form in math?

Back

Standard form is a way of writing numbers using digits. For example, the number 329 is in standard form.

Front

How do you add numbers in standard form?

Back

To add numbers in standard form, align the numbers by place value and add each column, carrying over if necessary.

Front

What is the result of 300 + 20 + 9?

Back

329

Front

What does it mean to subtract in math?

Back

Subtracting means taking one number away from another. It shows how much is left.

Front

What is 842 - 193?

Back

649

Front

How do you combine two groups of items?

Back

To combine two groups, you add the quantities together.

Front

David had 250 Legos and Jesse had 189 Legos. How many Legos do they have together?

Back

439 Legos.

Front

What is the process to find out how many items were used?

Back

To find out how many items were used, subtract the number left from the total number.

Front

Mrs. Jones & Mrs. Bush made 95 brownies. If 17 were left, how many were eaten?

Back

78 brownies were eaten.

Front

What does it mean to round a number?

Back

Rounding a number means adjusting it to the nearest value based on its place value.