4180370
Descripción
Fichas por Ella Ivanovici, actualizado hace más de 1 año
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Creado por Ella Ivanovici
hace más de 8 años
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| Pregunta | Respuesta |
| what is the divisibility rule for 2? | it has to be even |
| what is the divisibility rule for 3? | it is the sum of the digits of the number and that # has to by divisible by 3 |
| what is the divisibility rule for 4? | last 2 digits divisible by 4 ex: 324: *24 are the last 2 digits |
| what is the divisibility rule for 5? | the last digit is either 0 or 5 |
| what is the divisibility rule for 6? | it has to be divisible by 2 and 3 |
| what is the divisibility rule for 9? | The sum of all digits is divisible by 9 |
| what is the divisibility rule for 10? | the last digit is 0 |
| what is the divisibility rule for 12? | it is divisible by 4 and 3 |
| what is the divisibility rule for 25? | the last two digits are divisible by 25 |
| is 297 324 divisible by 5 | no |
| is 297 324 divisible by 2 | yes |
| explain relatively prime | Two numbers are "relatively prime" when they have no common factors other than 1 |
| is 297 324 divisible by 6 | yes |
| is 297 324 divisible by 3 | yes |
| is 297 324 divisible by 12 | yes |
| is 297 324 divisible by 9 | yes |
| do this operation using BEDMAS 2+ [5+3x(10-6➗2)] -4 | the answer is 24 *(see notes for explanation)* |
| explain how to calculate an average | firs you add all the numbers then you divide the answer by the number or number you added ex: 2 + 2 + 4 + 2 = 8 8 ➗ 4 = 2 *that is the average* |
| find the average of 35, 60, 85, 40 and 35 | 35 + 60 + 85 + 40 + 35 = 255 255 ➗ 5 = 51 |
| explain how to calculate the rang/mean | First you find the highest number and the lowest number and then subtract them ex: 1*, 2, 4*, 3, 4 - 1 = 3 *that is the range* |
| explain the perimeter | the perimeter is the distance around a two-dimensional shape |
| explain the area | Area is a measure of how much space there is on a flat surface |
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