these are a series of colored wooden "rods" - really, blocks - used to teach basic number theory and math skills. They were invented by Georges Cusinaire, a Belgian math and music teacher, in the 1950s. There are ten different "rods", all of which are the same height and width but they differ in length. Each one is one "unit" longer than the previous one, and each has a different color.
There are old rods, good rods, and super rods, and super is the best.
In 160 rods, there are 160 rods. This is a funny question.. ha ha ha. not.
fuel rods and control rods
There are a variety of rods, such as curtain rods, lightning rods, stirring rods, etc. They are generally made from metal or wood, but stirring rods can be made of glass or plastic.
20-rods x 80-rods = 1,600 square rods = 10 acres = 435,600 square feet
40 rods equals one furlong">">
rods are used for fishing
There are many brands of fly fishing rods available. Some of the most popular brands of fly fishing rods are G. Loomis Fly Rods, Sage Fly Rods, and Albright Fly Rods. Other popular brands of fly fishing rods are Redington and Cabela's.
66 feet is 2 rods.
There are 320 Rods in One Mile
The number of steel rods in a ton will depend on the size and diameter of the rods. Typically, a ton of steel rods can range from around 540 to 650 rods, assuming they are standard size and weight.
rods do