Scribepost for Oct. 14

Today in class, we were assigned to write definitions for these keywords:

• Two-term ratio.
• Three-term ratio.
• Part-to-part ratio.
• Part-to-whole ratio.

Two-term ratio

• Compares two quantities measured in the same units.
• Written as a:b or a to b. Blue:red is 6:4.

Three-term ratio

• Compares three quantities measured in the same units.
• Written as a:b:c or a to b to c. Blue:red:brown is 6:4:2.

Part-to-part ratio

• Compares different parts of a group to each other.
• 10:8 is the part-to-part ratio of brown to red beads.

Part-to-whole ratio

• Compares one part of a group to the whole group.
• 5:23 is the part-to-whole ratio of blue to total number of beads.