Estimating Products

We can estimate the products whenever an exact product is not required

To estimate products, round the number to the highest place

To estimate 7 x 345, round 345 to the nearest hundred and multiply

We can estimate the products whenever an exact product is not required

To estimate products, round the numbers to their highest place

To estimate 57 x 421, round 57 to its highest place (tens) and 421 to its highest place (hundreds)and then find their product

We can estimate the products whenever an exact product is not required

To round money amounts with a decimal point, look at the number of cents

If the number of cents is 50 or more, round up to the next dollar. Else, round down to the previous dollar

To round money amounts without a decimal point, round the amount as with whole numbers and insert the dollar sign