G

graduated cylinder

A container with evenly marked quantities for measuring volume.

pages 555–557, 558–559, 562–565, 566–570

gram

The basic metric unit used to measure mass.

pages 44, 47–49, 276, 453, 573–576

grouping rule (associative property)

The associative property says that when there is a string of numbers to be multiplied or added, such as 4 × 5 × 6, the answer will not be affected by how the numbers are grouped, e.g.,
4 × 5 × 6 = (4 × 5) × 6 = 20 × 6 = 120.

The same problem can also be solved by grouping the 5 and 6 together first. Using either grouping results in the same answer, 120.
4 × 5 × 6 = 4 × (5 × 6) = 4 × 30 = 120