Worked examples
Two examples
Example 1
A bar reaches halfway between the lines for 30 and 40. What value is it?
- Halfway between 30 and 40 is 35.
Answer: 35
Example 2
One bar is at 45 and another at 20. How many more is the first?
- 45 − 20.
Answer: 25
Where this is taught: Quiz 38: Reading Graphs, “Bar graphs: comparing separate things”
The drill
Ten problems
This drill also has challenge problems. They use the same skill, set up the way the GED test sometimes sets up a problem, so that it looks new at first.
How many:
Type each answer, then press Check my answers at the bottom. Commas in large numbers are fine.Write each answer on the line. The answer key, with the reasoning, is on the last page.