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2. Base ten blocks - Wikipedia

   en.wikipedia.org/wiki/Base_ten_blocks

   Wooden Dienes blocks in units of 1, 10, 100 and 1000 Plastic Dienes blocks in use. Base ten blocks, also known as Dienes blocks after popularizer Zoltán Dienes (Hungarian: [ˈdijɛnɛʃ]), are a mathematical manipulative used by students to practice counting and elementary arithmetic and develop number sense in the context of the decimal place-value system as a more concrete and direct ...

3. Manipulative (mathematics education) - Wikipedia

   en.wikipedia.org/wiki/Manipulative_(mathematics...

   One of the ways of making a dodecagon with pattern blocks. Pattern blocks consist of various wooden shapes (green triangles, red trapezoids, yellow hexagons, orange squares, tan (long) rhombi, and blue (wide) rhombi) that are sized in such a way that students will be able to see relationships among shapes. For example, three green triangles ...

4. Virtual manipulatives for mathematics - Wikipedia

   en.wikipedia.org/wiki/Virtual_manipulatives_for...

   Base Ten blocks for math. Virtual manipulatives for mathematics are digital representations of physical mathematics manipulatives used in classrooms. [1] The goal of this technology is to allow learners to investigate, explore, and derive mathematical concepts using concrete models. [2] [3]

5. Duodecimal - Wikipedia

   en.wikipedia.org/wiki/Duodecimal

   The duodecimal system, also known as base twelve or dozenal, is a positional numeral system using twelve as its base.In duodecimal, the number twelve is denoted "10", meaning 1 twelve and 0 units; in the decimal system, this number is instead written as "12" meaning 1 ten and 2 units, and the string "10" means ten.

6. Unary numeral system - Wikipedia

   en.wikipedia.org/wiki/Unary_numeral_system

   The unary numeral system is the simplest numeral system to represent natural numbers: [1] to represent a number N, a symbol representing 1 is repeated N times. [2]In the unary system, the number 0 (zero) is represented by the empty string, that is, the absence of a symbol.

7. Blocked 10 - AOL

   www.aol.com/games/play/masque-publishing/blocked-10

   Blocked 10. Choose puzzle pieces and place them into the block grid. As you complete a row or column, that line of blocks disappears and awards points. By Masque Publishing. Advertisement.

8. Repeating decimal - Wikipedia

   en.wikipedia.org/wiki/Repeating_decimal

   If 10 is a primitive root modulo p, then the repetend length is equal to p − 1; if not, then the repetend length is a factor of p − 1. This result can be deduced from Fermat's little theorem, which states that 10 p−1 ≡ 1 (mod p). The base-10 digital root of the repetend of the reciprocal of any prime number greater than 5 is 9. [9]

9. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!