A chair has 4 legs. How many legs have 8 chairs? 5 chairs?
A fly has 6 legs. How many legs have 3 flies? 9 flies? 7 flies?
(Eight more of the same sort.)
In 1890 New York had 1,513,501 inhabitants, Milwaukee had 206,308, Boston had 447,720, San Francisco 297,990. How many had these cities together?
(Five more of the same sort.)
Milton was born in 1608 and died in 1674. How many years did he live?
(Several others of the same sort.)
The population of a certain city was 35,629 in 1880 and 106,670 in 1890. Find the increase.
(Several others of this sort.)
A number of others about the words in various inaugural addresses and the Psalms in the Bible.