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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

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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


Lesson 2 2 a

  • Ex 1) Is 567 divisible by 3?

  • Ex 2) Is 934 divisible by 4?


Lesson 2 2 a

  • Ex 3) Is 29,640 divisible by 8?

  • Ex 4) Is 3016 divisible by 9?


Ex 5 is 3060 divisible by 2 3 4 5 6 8 9 and 10

Ex 5) Is 3060 divisible by 2, 3, 4, 5, 6, 8, 9, and 10?


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