755 prompts matching "Arranging r of n objects in a line"
Showing only prompts that state their year. 35 more in this subject don't name one, so choose All years to see them.
Learn: Solving an equation with a single square root term
You are my personal SS1 Further Mathematics tutor. Teach me solving an equation with a sin
Worked Example: Squaring both sides safely when solving a surd equation
Act as my SS1 Further Mathematics tutor. Take me through one full worked example on squari
Final Revision: A word problem that leads to an equation in surd form
Act as my SS1 Further Mathematics tutor at the end of the term. Give me a rapid recap of a
Learn: What a binary operation actually is
You are my personal SS1 Further Mathematics tutor. Teach me what a binary operation actual
Worked Example: Reading the symbol used for a binary operation
Act as my SS1 Further Mathematics tutor. Take me through one full worked example on readin
Common Mistakes: A binary operation that is ordinary addition in disguise
Act as my SS1 Further Mathematics tutor. Show me the mistake pupils most often make on a b
Final Revision: Deciding whether a given rule really is a binary operation
Act as my SS1 Further Mathematics tutor at the end of the term. Give me a rapid recap of d
Learn: What closure means for a binary operation
You are my personal SS1 Further Mathematics tutor. Teach me what closure means for a binar
Worked Example: Testing the even numbers for closure under addition
Act as my SS1 Further Mathematics tutor. Take me through one full worked example on testin
Common Mistakes: Closure on a set of three elements under a stated rule
Act as my SS1 Further Mathematics tutor. Show me the mistake pupils most often make on clo
Final Revision: Why closure is checked before any other property
Act as my SS1 Further Mathematics tutor at the end of the term. Give me a rapid recap of w
Worked Example: Testing a*b against b*a for a given rule
Act as my SS1 Further Mathematics tutor. Take me through one full worked example on testin
Common Mistakes: Subtraction as an example of neither law
Act as my SS1 Further Mathematics tutor. Show me the mistake pupils most often make on sub
Final Revision: Why brackets matter when an operation is not associative
Act as my SS1 Further Mathematics tutor at the end of the term. Give me a rapid recap of w
Worked Example: Testing whether star distributes over plus
Act as my SS1 Further Mathematics tutor. Take me through one full worked example on testin
Common Mistakes: Distributivity on a set of three elements
Act as my SS1 Further Mathematics tutor. Show me the mistake pupils most often make on dis
Final Revision: Why distributivity links two operations rather than one
Act as my SS1 Further Mathematics tutor at the end of the term. Give me a rapid recap of w
Worked Example: Finding the identity element from a rule such as a*b = a + b - 3
Act as my SS1 Further Mathematics tutor. Take me through one full worked example on findin
Common Mistakes: Checking an inverse by working the operation both ways
Act as my SS1 Further Mathematics tutor. Show me the mistake pupils most often make on che
Final Revision: Identity and inverse together, and what they give the set
Act as my SS1 Further Mathematics tutor at the end of the term. Give me a rapid recap of i