Scholastic Products - Scholastic - Number Line, 34 ft x 4 1/2", 1 set - Sold As 1 Set - Teach simple and complex math concepts with colorful number line. - Set emphasizes the tens place. - Includes number words for each numeral, 34 foot number line with negative numbers to -20 and positive numbers to 100, two number line signs, and four ordering signs. - Seven pieces. - Teach simple and complex math concepts with colorful number line. Set emphasizes the tens place. Seven pieces. Includes number words for each numeral, 34 foot number line with negative numbers to -20 and positive numbers to 100 Two number line signs, and four ordering signs.