| A | B |
|---|
| partial product | when ones, tens, hundreds, etc. are multiplied separately, and then the products are added together |
| regroup | to exchange amounts of equal value to rename a number |
| pattern | an ordered set of numbers or objects, helps you predict what comes next |
| compatible numbers | numbers that are easy to compute mentally |
| mental math | doing addition, subtraction, or division in your head |
| round | to replace a number with another number that tells about how many or how much |
| array | an arrangement of objects in rows and columns |
| product | the answer to a multiplication problem |
