101 results authored by Lois Rollings - search across all users.
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Question in Arithmetic
Testing -(-3) +(-2) etc. One part.
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Question in Number systems questions
Converting integers from one base to another. Includes binary to decimal.
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Question in Algebra 1 - 2020
No description given
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Question in Algebra 1 - Possibilities
Introduces students to the floor and ceiling functions
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Question in Algebra 1 - 2020
Find the inverse of a composite function by finding the inverses of two functions and then the composite of these; and by finding the composite of two functions then finding the inverse. The question then concludes by asking students to compare their two answers and verify they're equivalent.
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Question in Algebra 1 - 2020
No description given
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Question in Algebra 1 - 2020
No description given
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Question in Algebra 1 - 2020
This question summarizes the definitions of surjective and injective, and applies them to prove the existance of an inverse.
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Question in Algebra 1 - 2020
Slightly harder introductory exercises about the power set.
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Question in Algebra 1 - 2020
Given some random finite subsets of the natural numbers, perform set operations ∩,∪ and complement.
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Question in Calculus
A question to test basic differentiation of functions, including powers of x, trig, log and exponential functions.
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Question in Algebra 1 - Possibilities
Introductory exercise about power sets.
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Question in Algebra 1 - Possibilities
No description given
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Question in Lois's workspace
Drug Calculations
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Question in Lois's workspace
Drug Calculations
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Question in Lois's workspace
Question on drug calculations
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Question in Lois's workspace
No description given
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Question in Lois's workspace
A really simple question which asks the student to multiply two matrices.
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Question in Algebra 1 - Possibilities
No description given
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Question in Algebra
Find c and d such that x2+ax+b=(x+c)2+d.
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Question in Algebra 1 - Possibilities
Composite functions.
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Question in Algebra 1 - Possibilities
No description given
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Question in Algebra 1 - Possibilities
Introductory exercise about subsets using custom grading code.
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Question in Algebra 1 - Possibilities
Simple exercises introducing the fundamental set operations, and NUMBAS syntax for sets.
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Question in Lois's workspace
Using Jsxgraph to draw the vector field for a differential equation of the form dydx=f(x,y)=x2−y2, and also by moving the point (x0,y0) you can see the solution curves going through that point.
If you want to modify f(x,y) simply change the definition of f(x,y) and that of the variable str in the user defined function testfield in Extensions and scripts. You have to use javascript notation for functions and powers in the definition of f(x,y).
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Question in Numeracy Questions
Compute the weighted average salary in a department, given four salary levels and the percentages of staff earning them.
(Added to calculator test.)
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Question in Numeracy Questions
Using three -part ratio and amounts of each colour available, calculate how much of a particular shade of paint can be made.
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Question in Numeracy Questions
Income tax
rebelmaths
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Question in Numeracy Questions
This question asks you to work out one value as a percentage of another. You are expected to do these without the help of a calculator.
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Question in Numeracy Questions
Given the ratio of ingredients and the total amount of ingredients work out how much of one of the ingredients is needed.