1 What are natural numbers (counting numbers
5 Min
2 What are natural numbers (counting numbers [Quiz]
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3 Writing numbers from words to figures
5 Min
4 Writing numbers from words to figures [Quiz]
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5 Writing numbers from figures to word
5 Min
6 Writing numbers from figures to word [Quiz]
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7 Representation of the set of natural numbers
5 Min
8 Representation of the set of natural numbers [Quiz]
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9 Elements in the set of natural numbers
5 Min
10 Elements in the set of natural numbers [Quiz]
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11 Uses of counting numbers
5 Min
12 Uses of counting numbers [Quiz]
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13 Symbols of =, ≠< and >
5 Min
14 Symbols of =, ≠< and > [Quiz]
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15 Powers and exponents
5 Min
16 Powers and exponents [Quiz]
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17 . Order of operation in ℕ-Meaning of BODMAS
5 Min
18 Order of operation in ℕ-Meaning of BODMAS [Quiz]
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19 Use of BODMAS in an example 1(BO)
5 Min
20 Use of BODMAS in an example 1(BO) [Quiz]
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21 Use of BODMAS in an example 2(DM)
5 Min
22 Use of BODMAS in an example 2(DM) [Quiz]
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23 Use of BODMAS in an example 3(AS)
5 Min
24 Use of BODMAS in an example 3(AS) [Quiz]
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25 Use of BODMAS in an example 4(BODMAS)
5 Min
26 Use of BODMAS in an example 4(BODMAS) [Quiz]
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27 Operations in ℕ(addition)
5 Min
28 Operations in ℕ(addition) [Quiz]
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29 Operations in ℕ(multiplication)
5 Min
30 Operations in ℕ(division)
5 Min
31 Operations in ℕ(zero)
5 Min
32 Multiplication and division as inverse operation
5 Min