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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. Numberblocks - Wikipedia

    en.wikipedia.org/wiki/Numberblocks

    Numberblocks is a British animated television series for preschoolers that debuted on CBeebies on 23 January 2017. The programme was created by Joe Elliot and produced by Alphablocks Ltd with Blue Zoo .

  4. Googolplex - Wikipedia

    en.wikipedia.org/wiki/Googolplex

    If each book had a mass of 100 grams, all of them would have a total mass of 10 93 kilograms. In comparison, Earth's mass is 5.97 × 10 24 kilograms, [5] the mass of the Milky Way galaxy is estimated at 1.8 × 10 42 kilograms, [6] and the total mass of all the stars in the observable universe is estimated at 2 × 10 52 kg. [7]

  5. List of numeral systems - Wikipedia

    en.wikipedia.org/wiki/List_of_numeral_systems

    "A base is a natural number B whose powers (B multiplied by itself some number of times) are specially designated within a numerical system." [1]: 38 The term is not equivalent to radix, as it applies to all numerical notation systems (not just positional ones with a radix) and most systems of spoken numbers. [1]

  6. Chicka Chicka 1, 2, 3 - Wikipedia

    en.wikipedia.org/wiki/Chicka_Chicka_1,_2,_3

    They furiously fly around the numbers, counting backwards, causing all of them to fall out of the tree - except for 10 who is hiding (but including 99 who falls out before the rest of the numbers). Some of the numbers are shown to have suffered certain injuries from the fall, including 11 being bent up, 8 being cracked, and 6 being twisted.

  7. Chisanbop - Wikipedia

    en.wikipedia.org/wiki/Chisanbop

    36 represented in chisanbop, where four fingers and a thumb are touching the table and the rest of the digits are raised. The three fingers on the left hand represent 10+10+10 = 30; the thumb and one finger on the right hand represent 5+1=6. Counting from 1 to 20 in Chisanbop. Each finger has a value of one, while the thumb has a value of five.

  8. Vigesimal - Wikipedia

    en.wikipedia.org/wiki/Vigesimal

    In a vigesimal place system, twenty individual numerals (or digit symbols) are used, ten more than in the decimal system. One modern method of finding the extra needed symbols is to write ten as the letter A, or A 20, where the 20 means base 20, to write nineteen as J 20, and the numbers between with the corresponding letters of the alphabet.

  9. Numberjacks - Wikipedia

    en.wikipedia.org/wiki/Numberjacks

    Numberjacks centres on the adventures of a group of anthropomorphic numbers. The main Numberjacks; Three, Four, Five, and Six, are the main protagonists of the series. They normally spend their everyday lives inside a sofa until a call comes in from real-life child Agents, who report problems that need solving.