How many tens are there in 2,630? Scholars solve this and 35 other place value problems, working with numbers from two digits to eight digits. First, they determine the number of tens in 12 numbers. Next, learners examine six numbers to figure the value of the seven in each. They repeat these exercises with slight variations, including finding how many hundreds there are in a set of numbers. Consider numbering these problems before copying to make review simpler.