break down (partition) a number using your understanding of place value recall times-tables up to 9 x 9 multiply by multiples of powers of ten Multiply each of these numbers by the 1-digit number and ...

Aww do you wish you had more balloons? You know, you have four balloons there. If you multiply that by ten you’d have 40. Because to multiply anything by ten, you just move the number one place to the ...