This is a memorization quiz of multiplication beyond the 18 × 18 table, up to 20 × 20 with some overlap of the lower tier. Thus time intentionally set low. If you know the answers by heart, there's ...
This is a memorization quiz of multiplication beyond the 15 × 15 table, up to 18 × 18 with some overlap of the lower tier. Thus time intentionally set low. If you know the answers by heart, there's ...
This extensive library hosts sets of math problems suitable for students PreK-12. The resources span multiple topics and members have access to the over 1,000 problems and supporting materials! Share ...
While this error–forgetting denominators–would be forgivable on a 4th-grade quiz and is rather trivial ... While Boaler seems to love diversity in methods of dividing fractions or long multiplication, ...
which is the idea that math exists as something that’s just—out there. We humans may invent the symbols for addition and multiplication, the digits we use to represent numbers, and so on.