Extending the number line
Variables A and B are on a number line and are differential. A is on -1, B is on 8.
What is a 9 point differential?
Four plus five.
What is 9?
Five times two.
What is 10?
Variables C and D have a point differential. Variable C is at 2.5 and D is at 0.5.
What is a 2.0 point differential?
Negative six plus positive eight.
What is 2?
Negative five times three.
What is -15?
Variable F and E have a point differential. Variable F is at 2 1/4 and E is at 7 1/2.
What is a 5 1/4 point differential?
Negative three and a half plus one and a quarter.
What is -2.25?
Negative eight times negative six.
What is -48?
Variables G and H have a point differential. Variable G is at 4 1/2 and H is at 3.75.
What is a 1.25 point differential.
Negative seven plus three plus negative nine.
What is -13?
Negative twelve divided by three.
What is -4?
What is a 12 point differential.
Twelve plus negative one plus negative four plus two.
What is 9?
Negative twenty-five divided by negative two.
What is 12.5?