680 prompts matching "Explain-back: my understanding of Cramer's rule"
Showing only prompts that state their year. 35 more in this subject don't name one, so choose All years to see them.
Simplifying a fraction of two bracketed index terms
I am in SS 1. I'm going to explain simplifying a fraction of index expressions down to a s
Estimating the value of a surd
I am in SS 1. I'm going to explain estimating the approximate value of a surd such as root
Union and intersection of two number sets
I am in SS 1. I'm going to explain finding the union and intersection of two given sets of
Power set of a three-element set
I am in SS 1. I'm going to explain listing the full power set of a three-element set, incl
Finding the nth term of an arithmetic sequence
I am in SS 1. I'm going to explain finding the nth term formula of an arithmetic sequence,
Sum of the first n terms of a geometric series
I am in SS 1. I'm going to explain using the formula Sn = a(r^n - 1)/(r - 1) to find the s
Finding a term given the sum of a series
I am in SS 1. I'm going to explain finding a specific term of a sequence by first finding
Area of a triangle from three coordinates
I am in SS 1. I'm going to explain finding the area of a triangle given the coordinates of
Finding the equation of a line parallel to the x-axis or y-axis through a point
I am in SS 1. I'm going to explain finding the equation of a line through a given point th
Gradient as a rate of change interpretation
I am in SS 1. I'm going to explain interpreting the gradient of a straight-line graph as a
Expanding a product of three brackets
I am in SS 1. I'm going to explain expanding a product of three linear brackets, such as (
Final Revision: Checking a conjugate answer by multiplying back
Act as my SS1 Further Mathematics tutor at the end of the term. Give me a rapid recap of c
Explaining why we rationalise denominators
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi
Reviewing every surd rule before a test
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on a st
Subsets of a given set
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on list
Working backwards from Venn diagram totals
I am in SS 1. I'm going to explain a Venn diagram question where I am given some regions a
Number of elements in a set from a Venn diagram region count
I am in SS 1. I'm going to explain counting n(A only), n(B only) and n(A and B) separately
Explaining the difference between an expression and an equation
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on expl
Worked Example: Why the square root of a non-square whole number is irrational
Act as my SS1 Further Mathematics tutor. Take me through one full worked example on why th
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