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 ...
Consider the following rule: Start with any two-digit number, then repeatedly multiply the digits together until the result is a one-digit number. For example: 84 ⇨ 32 ⇨ 6, or 97 ⇨ 63 ⇨ 18 ⇨ 8. What ...