1075 results for "number".
-
Question in Rachel's workspace
Simple questions on square numbers, square roots, cube number, cube roots and prime numbers.
-
Question in Ahmed's workspace
No description given
-
Exam (2 questions) in Lyn's workspace
Addition and Subtraction by hand questions, whole numbers and decimals. Fully worked solutions in feedback.
-
Question in Lyn's workspace
Addition calculations to be carried out by hand, full worked solutions in feedback.
-
Question in Demos
Demonstration of adaptive marking: the student must first add up the number of apples to buy, then work out how much that would cost. Adaptive marking carries an incorrect number of apples into the cost calculation.
-
Question in DemosThe student is asked to add two four-digit numbers. Alternative answers are set up with progressively expanding ranges of accepted values, so the student gets more marks for getting closer to the true answer.
-
Question in Standard Maths
A bill (for a random amount) is divided equally between a number of people.
Students evaluate the per-person cost for a random number of people.
They then complete a table showing the cost per person for various numbers of people.
Finally they are asked to identify the shape of the graph that represents this function. They are given 2 exponentials, a hyperbola and a line to choose from.
-
Question in Algebra 1 - 2020
Given some random finite subsets of the natural numbers, perform set operations $\cap,\;\cup$ and complement.
-
Question in Adelle's workspace
Round random numbers to the closest whole number, 1 to 3 decimals places. Also rounding that could show common misunderstandings.
-
Question in Bill's workspace
Given a sum of logs, all numbers are integers,
$\log_b(a_1)+\alpha\log_b(a_2)+\beta\log_b(a_3)$ write as $\log_b(a)$ for some fraction $a$.
Also calculate to 3 decimal places $\log_b(a)$.
-
Question in Bill's workspace
The derivative of $\displaystyle \frac{ax^2+b}{cx^2+d}$ is $\displaystyle \frac{g(x)}{(cx^2+d)^2}$. Find $g(x)$.
Contains a video solving a similar quotient rule example. Although does not explicitly find $g(x)$ as asked in the question, but this is obvious.
-
Question in Bill's workspace
Application of the Poisson distribution given expected number of events per interval.
Finding probabilities using the Poisson distribution.
-
Question in Bill's workspace
Reducing fractions to their lowest form by cancelling common factors in the numerator and denominator. There are 4 questions.
-
Question in Bill's workspace
Given a table of the number of days in which sales were between £x1000 and £(x+1)1000 find the relative percentage frequencies of these volume of sales.
-
Question in Bill's workspace
Express $\log_a(x^{c}y^{d})$ in terms of $\log_a(x)$ and $\log_a(y)$. Find $q(x)$ such that $\frac{f}{g}\log_a(x)+\log_a(rx+s)-\log_a(x^{1/t})=\log_a(q(x))$.
There is a video included explaining the rules of logarithms by going through simplification of logs of numbers rather than algebraic expressions.
-
Question in Bill's workspace
Find a regression equation.
-
Question in Bill's workspace
Find $\displaystyle \int \frac{a}{(bx+c)^n}\;dx$
-
Question in Bill's workspace
Find $\displaystyle \int ae ^ {bx}+ c\sin(dx) + px ^ {q}\;dx$.
-
Question in Bill's workspace
Find $\displaystyle \int ax ^ m+ bx^{c/n}\;dx$.
-
Question in Bill's workspace
Find $\displaystyle \int\cosh(ax+b)\;dx,\;\;\int x\sinh(cx+d)\;dx$
-
Question in Bill's workspace
The derivative of $\displaystyle \frac{ax+b}{\sqrt{cx+d}}$ is $\displaystyle \frac{g(x)}{2(cx+d)^{3/2}}$. Find $g(x)$.
-
Question in Bill's workspace
The derivative of $\displaystyle \frac{ax+b}{cx^2+dx+f}$ is $\displaystyle \frac{g(x)}{(cx^2+dx+f)^2}$. Find $g(x)$.
-
Question in Bill's workspace
Calculate the Pearson correlation coefficient on paired data and comment on the significance.
-
Question in Bill's workspace
Calculate the Pearson correlation coefficient on paired data and comment on the significance.
-
Question in Bill's workspace
Spearman rank correlation calculated. 8 paired observations.
-
Question in Bill's workspace
Spearman rank correlation calculated. 10 paired observations.
-
Question in Bill's workspace
Elementary examples of multiplication and powers of complex numbers. Four parts.
-
Question in Bill's workspace
Inverse and division of complex numbers. Four parts.
-
Question in Bill's workspace
Multiplication of complex numbers. Four parts.
-
Question in Julia's workspace
Product of one of 2, 3, 5, 9, or 10 by a number up to 10. With hints to learn calculation rather than memorisation.