This is a group activity to review numbers in Spanish. The number is written out in Spanish, and the groups have to hold up the corresponding number (all you need is to write numbers 0-9 on index cards for each group you will have). The first group to hold up the correct number gets the point. There are also two slides to show how the number 1 changes depending on the noun following the number (i.e. "un" y "una" as opposed to "uno").
**Note: All of my powerpoints have blank backgrounds. Studies show that students with learning disabilities easily get distracted by images on slides. Also, adult students can have problems reading the slides if the font and color do not stand out.