A video demonstration of using Dienes to multiply a 2-digit number by a 1-digit number.
Multiplication
Written Calculation (Abstract)
Grid Method for 2-digit x 1-digit
Year 3 National Curriculum Objectives
Recall and use multiplication and division facts for the 3, 4 and 8 multiplication tables
Write and calculate mathematical statements for multiplication and division using the multiplication tables that they know, including for two-digit numbers times one-digit numbers, using mental and progressing to formal written methods
Solve problems, including missing number problems, involving multiplication and division, including positive integer scaling problems and correspondence problems in which n objects are connected to m objects.