EDM: Unit 3 Review

Front

What is division?

Back

Division is the process of splitting a number into equal parts. For example, if you have 12 brownies and 3 children, each child gets 4 brownies.

Front

What does it mean to share equally?

Back

To share equally means to divide something into the same amount for each person. For example, if 12 brownies are shared equally among 3 children, each child gets 4 brownies.

Front

What is an estimate?

Back

An estimate is a rough calculation or an educated guess about a number. It is close to the exact answer but not necessarily precise.

Front

How do you estimate subtraction?

Back

To estimate subtraction, round the numbers to the nearest ten or hundred and then subtract. For example, for 385 - 49, you can estimate it as 390 - 50.

Front

What is the least favorite choice?

Back

The least favorite choice is the option that the fewest people like. For example, if 10 students like pizza and only 4 like submarine sandwiches, the submarine sandwich is the least favorite.

Front

What is a favorite pet?

Back

A favorite pet is an animal that someone likes the most. For example, if 10 students say their favorite pet is a cat, then cats are popular among those students.

Front

What is a problem-solving strategy?

Back

A problem-solving strategy is a method used to find a solution to a problem. For example, when faced with a math problem, you can use estimation to make it easier.

Front

What does it mean to round a number?

Back

Rounding a number means adjusting it to the nearest ten, hundred, or other place value. For example, rounding 47 to the nearest ten gives you 50.

Front

What is a mathematical operation?

Back

A mathematical operation is a calculation that combines numbers. The main operations are addition, subtraction, multiplication, and division.

Front

How do you find the total number of items?

Back

To find the total number of items, you can add the quantities together. For example, if you have 5 apples and 3 oranges, the total is 5 + 3 = 8.