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Lesson 2-2 a. Divisibility Tests. Obj : To use rules for divisibility on a large number. HWK: p 73 1-7 all (on problems 1-5 add 6 to the directions) Vocab : 1) divisible. Divisibility Tests. Number Test for Divisibility 2 Number ends in 0, 2, 4, 6, or 8

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Lesson 2 2 a

Lesson 2-2 a

Divisibility Tests


Obj to use rules for divisibility on a large number
Obj: To use rules for divisibility on a large number

  • HWK: p 73 1-7 all

  • (on problems 1-5 add 6 to the directions)

  • Vocab: 1) divisible


Divisibility tests
Divisibility Tests

  • Number Test for Divisibility

  • 2 Number ends in 0, 2, 4, 6, or 8

  • 3 Sum of the digits is divisible by 3

  • 4 The number formed by the last two

  • digits is divisible by 4

  • 5 Number ends in 0 or 5

  • ** 6 Number is divisible by 2 and 3


Divisibility tests cont
Divisibility Tests (cont)

  • Number Test for Divisibility

  • 8 The number formed by the last

  • three digits is divisible by 8

  • 9 Sum of the digits is divisible by 9

  • 10 Number ends in 0





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