Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Schedule: TableTable ofof Contents Contents Add to your Table of Contents: Multiplication Division Divisibility Rules Pg. 3 Pg. 4 Pg. 5 “Divisible by” means: It goes into the other number without a remainder! Examples: 12 ÷ 6 = 2 15 ÷ 5 = 3 Number: 2 A number is divisible by 2 if the digit is even. Examples: last (0, 2, 4, 6, 8) 8 7 0 347 Now You Try: IS NOT divisible by 2? 572 1464 249 Which number Need More Practice: Numbers Divisible by 2 Number: 3 *Hint add the digits and see if you can divide that number by 3 Examples: 7 + 5 = 12 75 12 ÷ 3 = 4 Number: 5 A number is divisible by 5 if the digit is a 0 or 5. Examples: 5 1480 61 ends in a 5 ends on a 0 last Now You Try: Which number IS NOT divisible by 5? 9820 779 560 Number:10 A number is divisible by 10 is if it ends in a ZERO . Example: 0 ends in a zero 0 ends in a zero 763 41 Now You Try: Find the number that 56,920 IS NOT 7537 divisible by ten. 870 Number: 4 A number is divisible by 4 if the last two digits are divisible by 4. Examples: 13 6 20 72 20 ÷ 4 = 5 72 ÷ 4 = 18 Now You Try: Which number IS NOT divisible by 4? 524 4101 116 Need More Practice: Numbers Divisible by 4 Number: 6 A number is divisible by 6 when it is 2 AND 3. Examples: divisible by 408 ends in an even number (2 rule) sum of the digits is divisible by 3 Now You Try: Which number IS NOT divisible by 6? 8700 523 7602 Number: 9 A number is divisible by 9 if the sum of the digits is divisible by 9. Example: 963 9 + 6 + 3 = 18 18 ÷ 9 = 2 Number Theory What does that mean? What is an even number? • Can be divided by 2 • Unit digit is 0, 2, 4, 6, or 8 • Is a multiple of 2 • 782,444 •4 • 608 What is an odd number? •Cannot be divided by 2 •Unit digit is 1, 3, 5, 7, or 9 •Is not a multiple of 2 •782,333 •5 •607 EVEN + EVEN = ? 12 + 4 ODD + ODD = ? 11+9 EVEN + ODD = ? 8+7 Number Theory…