column

Everyday

1. A column is a line of things going straight up and down, one under another. tree →
2. In a table, a column runs up and down and a row runs across. tree →
3. A column is a tall stone post that holds up a roof. tree →
4. A column is also a regular article in a newspaper, or a long line of marching people. tree →

In the lessons

maths: things set in columns and rows, as in arrays of chairs, desks or stamps; the number in each column times the number of columns gives the total; place-value columns (ones, tens, hundreds); column addition; tables and charts; history: Greek and Roman columns; everyday life: columns in a newspaper

Examples

• The chairs are in 6 columns with 5 chairs in each. tree →
• Each column of the table has 8 numbers. tree →
• Mia puts 4 stickers in each column. tree →
• How many columns of 3 can she make with 21 cards? tree →
• Write the tens in the tens column. tree →
• The old temple has tall stone columns. tree →
• Add the numbers in the column. tree →
• A column of soldiers marched past. tree →
• Then he saw the statue on the tall column. tree →

Note

Columns and rows point to multiplication (columns × things in each) or to division when the total is shared into columns. Trap: do not mix up rows and columns when the problem gives both: columns go up and down, rows go across. The n is silent: say «KOL-um».

In Jewish tradition

maths: things set in columns and rows, as in arrays of chairs, desks or stamps; the number in each column times the number of columns gives the total; place-value columns (ones, tens, hundreds); column addition; tables and charts; history: Greek and Roman columns; everyday life: columns in a newspaper

Examples

• He hewed, as it were, immense column or colossal pillars, out of the intangible air, and from the empty space. (Sefer Yetzirah, Westcott 1887) tree →
• ')) Some Pythagoreans used the strokes with the principle of |iosi- tion without a zero in the columns of an abacus i Ur. (Mordell, The Origin of Letters and Numerals according to Sefer Yetzirah (1914)) tree →

Note

Columns and rows point to multiplication (columns × things in each) or to division when the total is shared into columns. Trap: do not mix up rows and columns when the problem gives both: columns go up and down, rows go across. The n is silent: say «KOL-um».