Multiplication 2-digit

Front

What is the process of rounding numbers to the nearest ten?

Back

To round a number to the nearest ten, look at the digit in the ones place. If it is 5 or greater, round up; if it is 4 or less, round down.

Front

What is the product of 15 and 12?

Back

The product of 15 and 12 is 180.

Front

How do you represent multiplication using a model?

Back

Multiplication can be represented using arrays, area models, or number lines, showing how many groups of a certain size are combined.

Front

What is the product of 234 and 21?

Back

The product of 234 and 21 is 4,914.

Front

How do you calculate the total distance run over multiple days?

Back

To calculate the total distance run, multiply the daily distance by the number of days.

Front

What is the difference in total miles run over two different periods?

Back

To find the difference, calculate the total miles for each period and subtract the smaller total from the larger total.

Front

What is the formula for multiplication?

Back

The formula for multiplication is a × b = c, where 'a' and 'b' are the factors and 'c' is the product.

Front

What is an area model in multiplication?

Back

An area model visually represents multiplication by dividing a rectangle into smaller sections that correspond to the factors being multiplied.

Front

How do you estimate the product of two numbers?

Back

To estimate the product, round each number to a convenient value (like the nearest ten) and then multiply the rounded numbers.

Front

What is the significance of using models in multiplication?

Back

Models help visualize the multiplication process, making it easier to understand and solve problems.