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Divisibility by 4

Divisibility by 4. Review of Divisibility. A number can be divided by… ÷ 2 when… … ending digit is EVEN (2, 4, 6, 8, 0) ÷ 5 when… … ending digit is 5 OR 0 ÷ 10 when… … ending digit is 0 ÷ 3 when … … digits add up (sum) to a # ÷ 3 ÷ 9 when…

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Divisibility by 4

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  1. Divisibility by4

  2. Review of Divisibility A number can be divided by… ÷ 2 when… … ending digit is EVEN (2, 4, 6, 8, 0) ÷ 5 when… … ending digit is 5 OR 0 ÷ 10 when… … ending digit is 0 ÷ 3 when… … digits add up (sum) to a # ÷ 3 ÷ 9 when… … digits add up (sum) to a # ÷ 9 ÷ 6 when… … a) last digit is EVEN (2, 4, 6, 8, 0) b) digits add up (sum) to a # ÷ 3

  3. Divisibility by 4 We can ÷ “4” …when the last two digits equal a number that can be ÷ 4 Example: 528? Last two digits = 28 28 ÷ 4? yes, so… 528 ÷ 4 = yes

  4. Divisibility by 4 Can we ÷ 4?? 308 ÷ 4 9136 ÷ 4 14,722 ÷ 4 Last two digits = 08  08 ÷ 4 = yes Last two digits = 36  36 ÷ 4 = yes Last two digits = 22  22 ÷ 4 = no

  5. Divisibility What can the number be divided by?? • 7632 ÷ ? • 1740 ÷ ? • 30,216 ÷ ?

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