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Division… what do you remember!

Understand divisibility rules and short division techniques. Practice with examples to master dividing numbers and determining remainders. Use the post-it activity and CCCS lesson for further learning.

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Division… what do you remember!

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  1. Division… what do you remember! Lori Perona Sadlier 3-1 & 3-3 CCCS:6.NS.2

  2. Divisibility Rules A number is divisible by: 2 if it is an even number; 3 if the sum of its digits is divisible by 3; 4 if the last 2 digits is divisible by 4; 5 if the last digit is a 0 or a 5; 6 if it is divisible by both 2 and 3; 9 if the sum of the digits is divisible by 9; 10 if the last digit is 0; 12 if it is divisible by both 3 and 4 To predict if a quotient has a remainder.

  3. Parts of a Division Problem Dividend Divisor Quotient Remainder Remainder 274 R 1 Quotient 2 549 1 Divisor Dividend

  4. 2 Divide Multiply Subtract Bring Down Check 2 548 Divide 5 into two equal groups There are 2 in each circle, meaning 5 into two groups is 2 with one left over Remainder

  5. Divide Multiply Subtract Bring Down Check 2 2 548 4

  6. 2 Divide Multiply Subtract Bring Down Check 2 548 4 14

  7. Repeat… 274 2 548 Divide Multiply Subtract Bring Down Check 4 14 14 08 8

  8. Short Division when my divisor is 1 digit… Will I have a remainder? Do mentally… Divide Multiply Subtract Bring Down Check 2 544

  9. Will I have a remainder? Divide Multiply Subtract Bring Down Check 3 965

  10. Will I have a remainder? Divide Multiply Subtract Bring Down Check 5 2,254,330

  11. Will I have a remainder? Divide Multiply Subtract Bring Down Check 3 710,625

  12. Will I have a remainder? Divide Multiply Subtract Bring Down Check 9 585

  13. Will I have a remainder? Divide Multiply Subtract Bring Down Check 4 12,636

  14. Can you figure these? Use Divisibility to help you… 7,489 R3 2891 ? 67,404 ? 5782 1966 7,915 R7 ? 5898 ? 63,327

  15. Use Long Division 54 1073 Divide Multiply Subtract Bring Down Check

  16. 43 86,129 Divide Multiply Subtract Bring Down Check

  17. 72 72,072 Divide Multiply Subtract Bring Down Check

  18. Divide Multiply Subtract Bring Down Check Now try Post It Activity then CCCS Lesson 11 pgs. 98-104

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