Estimate the Products: Single-digit by Large Numbers

The online quiz is based on estimating products. One factor is a single-digit number, and the other factor is a large number (hundreds, thousands or ten thousands). Round the large number to the nearest hundred, thousand or ten thousand (see the direction in the problem). Estimate the product. Do not use the calculator. Recommended Level: 4th grade and 5th grade.

Horizontal multiplication: 2-digit by single-digit

Vertical multiplication: 3-digit by single-digit

Vertical multiplication: 4-digit by single-digit

Multiplying large numbers by single-digit numbers

Multiplication across zeros

Long multiplication: Two-digit numbers

Estimating products: 2-digit by single-digit

Estimating products: Two-digit numbers