Exam - Multiplication by a one-digit number

Complete all exercises and submit them at the end.

Problem 1

Multiplying a round number by the same digit

Work out the product of the round number and its leading digit.
20 × 2 =

Problem 2

Multiplying a round number by a one-digit number

Work out the product of the round number and the one-digit number.
20 × 3 =

Problem 3

Column multiplication up to 10,000

Work out the problem in columns and fill in the result.
× =