Estimation, Addition, Subtraction

Front

What is estimation in math?

Back

Estimation is a way of finding an approximate value that is close to the actual number, often used to make calculations easier.

Front

What does it mean to round a number?

Back

Rounding a number means adjusting it to the nearest specified place value, such as the nearest ten or hundred.

Front

Round 752 to the nearest ten.

Back

750

Front

What is addition?

Back

Addition is the process of finding the total or sum by combining two or more numbers.

Front

What is subtraction?

Back

Subtraction is the process of taking one number away from another.

Front

How do you find the total number of items sold over multiple months?

Back

Add the number of items sold in each month together.

Front

What is the sum of 253 and 212?

Back

465

Front

Round 156 to the nearest ten.

Back

160

Front

What is the difference between two numbers?

Back

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

Front

If Bella has 156 pine cones and wants to collect 749, how many more does she need?

Back

593 pine cones