Revising tables and multiplication

Doubling and halving is still a powerful way to work out answers mentally.

More mental arithmetic, doubling and halving multiples of 5. Should be a whizz if you are good at doubling!

A set of mental arithmetic questions aimed at multiplying numbers by 4 by doubling twice.

Using the grid method to multiply a 2-digit number by a single digit.

Using partitioning to help understand 11x and 12x tables.

Match the statements to the correct bar models.

Quick revision of multiplying by 10 and 100, including 5-digit answers.

These questions can all be done ?in your head? but they also ask for explanations of how they were done.