Addition and subtraction

This task combines spatial awareness with addition and multiplication.

This challenge combines addition, multiplication, perseverance and even proof.

What happens when you add a three digit number to its reverse?

By selecting digits for an addition grid, what targets can you make?

Can you crack these cryptarithms?

Can you find six numbers to go in the Daisy from which you can make all the numbers from 1 to a number bigger than 25?

Throw the dice and decide whether to double or halve the number. Will you be the first to reach the target?

This dice train has been made using specific rules. How many different trains can you make?

Use the differences to find the solution to this Sudoku.