1,464 prompts matching "Cancelling h before the limit has been taken"
WAEC pitfalls: Reducing to a residue outside the permitted range
Act as my SS1 Mathematics tutor. Show me the mistake candidates most often make on reducin
Practice set: The empty set and the universal set
Act as my SS1 Mathematics tutor. Give me five practice questions on the empty set and the
Worked example: The number of elements in a set
Act as my SS1 Mathematics tutor. Take me through one full worked example on the number of
Practice set: The difference of two sets
Act as my SS1 Mathematics tutor. Give me five practice questions on the difference of two
Worked example: The formula for the number in a union
Act as my SS1 Mathematics tutor. Take me through one full worked example on the formula fo
WAEC pitfalls: Counting the overlap twice in a union
Act as my SS1 Mathematics tutor. Show me the mistake candidates most often make on countin
Explain back: Disjunction, and the inclusive sense of or
I have just studied disjunction, and the inclusive sense of or in my SS1 Mathematics class
Worked example: The converse, inverse and contrapositive
Act as my SS1 Mathematics tutor. Take me through one full worked example on the converse,
Practice set: The truth table for conjunction and disjunction
Act as my SS1 Mathematics tutor. Give me five practice questions on the truth table for co
Explain back: The truth table for an implication
I have just studied the truth table for an implication in my SS1 Mathematics class. Let me
Practice set: Changing the subject when the letter is inside a bracket
Act as my SS1 Mathematics tutor. Give me five practice questions on changing the subject w
Explain back: Changing the subject when the letter is in a denominator
I have just studied changing the subject when the letter is in a denominator in my SS1 Mat
Spot my mistake: Changing the subject when the letter is under a root
Act as my SS1 Mathematics tutor. Work a question on changing the subject when the letter i
Worked example: Changing the subject when the letter occurs on both sides
Act as my SS1 Mathematics tutor. Take me through one full worked example on changing the s
Spot my mistake: Finding the constant from one pair of values
Act as my SS1 Mathematics tutor. Work a question on finding the constant from one pair of
Worked example: Using the constant to predict a further value
Act as my SS1 Mathematics tutor. Take me through one full worked example on using the cons
Practice set: Factoring out the leading coefficient first
Act as my SS1 Mathematics tutor. Give me five practice questions on factoring out the lead
Explain back: Reading the turning point from the completed square
I have just studied reading the turning point from the completed square in my SS1 Mathemat
Spot my mistake: Deriving the quadratic formula
Act as my SS1 Mathematics tutor. Work a question on deriving the quadratic formula with on
Worked example: Substituting into the quadratic formula carefully
Act as my SS1 Mathematics tutor. Take me through one full worked example on substituting i