
Identify two points...
What point...
Write the ratio...

What is the actual when the photo is 12 cm?
What is the actual when the photo is 10 cm?
Is Ana correct? Explain.

Change after one year?
After 7 years?
Explain.
Create...

Which problem...
The sum of a...
What number...
Explain the movement.
Solve...
How much...