11838037
Descripción
Fichas por Zoe Jackson, actualizado hace más de 1 año
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Creado por Zoe Jackson
hace casi 7 años
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| Pregunta | Respuesta |
| Area and Perimeter: What is the equation to find the area of a shape? | LxW / 2 (Length x Width divided by two |
| A right angled triangle has a base of 15cm and a height of 10cm. What is the area? Explain how you would work this out. | Create an identical triangle to form a rectangle. You then multiply the two numbers together and divide them by two, ending up with an area of 75cm squared |
| What is the equation to find the area of a trapezium? | a+b 2 (a plus b divided by 2) |
| Using the Chinese method, work out 2.32 x 0.7 | The answer would be 1.624 |
| What is the difference between and expression and an equation? | equation: 5x+6 (it has no equals sign) expression: y=5x+6 (it has an equals sign) |
| The bottom row of the table goes: x | -8 | -5 | -2 | 0 | 4 | 7 Plot y= 3x +1 | The table should now read: y | -3 | -2 | -1 | 0 | 1 | 2 x | -8 | -5 | -2 | 0 | 4 | 7 |
| Just note: The equation of a linear graph is written in the form y=mx+c. M tells us the gradient of the line. We call this the coefficient of x. C tells us where the graph crosses the y axis. We call this the y intercept | The more you know :D |
| Prefixes for powers of 10 By the way, # means to the power of .... tera - T - 10#12 - 1 000 000 000 000 giga - G - 10#9 - 1 000 000 000 mega - M - 10#6 - 1 000 000 kilo - k - 10#3 - 1000 | deci - d - 10#-1 - 0.1 centi - c - 10#-2 - 0.01 milli - m - 10#-3 - 0.001 micro - ? - 10#-6 - 0.000 0001 nano - n - 10#-9 - 0.000 000 001 pico - p - 10#-12 - 0.000 000 000 001 Search on google 'scale of the universe' to find out how big 10#12 is! |
| Round these numbers to 3 s.f 1.) 6.3528 2.) 34.026 3.) 0.005708 4.) 150.932 5.) 0.00007835 | 1.) 35 2.) 34.0 3.) 0.oo571 4.) 151 5.) 0.0000784 |
| a.) 4-6= b.) 5-7= c.) 2-4 d.) -1-1= e.) -3-2= f.) -4-(-1)= g.) 3-(-4)= | a.) -2 b.) -2 c.) -2 d.) -2 e.) -5 f.) -3 g.) -1 |
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