5827906
Descripción
Fichas por Blake Slight, actualizado hace más de 1 año
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Creado por Blake Slight
hace más de 9 años
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| Pregunta | Respuesta |
| Define Median, Find the median of 5,8,100,4,10,3,20 | Median is the middle value. 3,4,5,8,10,20,100 Place numbers in increasing order to find middle Value |
| Define Mean ? | Mean is the total of numbers divided by how many there are. |
| Name 3 Rules for Bearings ? | - Measure from North - Always measure degrees clockwise - Give bearings in three figures. |
| What are Prime Numbers ? | Prime Numbers are only divisible by 1 and themselves. "Is it in a times table apart from it's own?" |
| Give some examples of Prime Numbers ? | 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31 |
| Divide a quantity into a given ratio. 35$ in the ratio 4:1 ?? | 4+1 = 5 35/7 35 is the given quantity 7-35 = 28 28:7 |
| SOH CAH TOA | SOH CAH TOA |
| What are Factors ? | Factors are whole numbers that divide exactly into another. " What divides into it exactly ? " |
| What is BODMAS or BIDMAS ? | Brackets, Indices, Division, Multiplication, Addition, Subtraction. Basically the order of Operations. |
| The number of pupils in the school rises by 8%. There are now 891 pupils. How many pupils used to be there ?? | Find the starting value. X x1.08 = 891 X = 891/1.08 X = 825 |
| How do you decrease 109 by 74% ?? | As it is a decrease, (100-74) = 26% 26% = 0.26 109 x 0.26 = 28.34 |
| How do you increase 70$ by 12% ?? | As it is an increase it is 112$ (100 + 12) 112% = 1.12 70 x 1.12 = 78.4 |
| Share 200$ in the ratio 2:3 ? | - This means share the money into 5 equal parts and give 2 to one person and 3 to the other. - So 200/5 = 40, one person gets 2 x $40 = 80 and the other 3 x $40 = $120 |
| A pile of 12 identical encyclopedias weighs 48 kg. How much would the full set of 27 weigh ? | 48 / 12 = 4 4 x 27 = 108 kg |
| HCF | Product of intersection (middle) |
| LCM | product of union (all) |
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