1,365 prompts matching "WAEC past questions: Why casting out nines catches some errors and not others"
Explain back: Solving an equation with the unknown on both sides
I have just studied solving an equation with the unknown on both sides in my SS1 Mathemati
Explain back: Solving by elimination after multiplying one equation
I have just studied solving by elimination after multiplying one equation in my SS1 Mathem
Explain back: Solving a quadratic that is a difference of two squares
I have just studied solving a quadratic that is a difference of two squares in my SS1 Math
Explain back: Rounding to a given number of significant figures
I have just studied rounding to a given number of significant figures in my SS1 Mathematic
Explain back: Finding a quantity from one part and the ratio
I have just studied finding a quantity from one part and the ratio in my SS1 Mathematics c
Explain back: Recognising inverse proportion from a table
I have just studied recognising inverse proportion from a table in my SS1 Mathematics clas
Explain back: The longest diagonal of a cuboid
I have just studied the longest diagonal of a cuboid in my SS1 Mathematics class. Let me e
Explain back: The y-intercept and what it means
I have just studied the y-intercept and what it means in my SS1 Mathematics class. Let me
Explain back: The length of a line segment
I have just studied the length of a line segment in my SS1 Mathematics class. Let me expla
Explain back: Measuring a three-figure bearing
I have just studied measuring a three-figure bearing in my SS1 Mathematics class. Let me e
Teach Me (Cambridge Style): Multiplying in modulo five
I am in SS 1. Teach me multiplying in modulo five the way it would be explained for Cambri
Spot My Mistake: A multiplication table in modulo seven (IGCSE Marking)
I am in SS 1. I am revising for both my Cambridge IGCSE and my WAEC Mathematics papers. Sh
Real-World Word Problem: A clock problem solved in modulo twelve (Exam Style)
I am in SS 1. Give me a real-world word problem on a clock problem solved in modulo twelve
Real-World Word Problem: The power of a power law (Exam Style)
I am in SS 1. Give me a real-world word problem on the power of a power law, set in a Nige
Real-World Word Problem: Reading the denominator of a fractional index as the root (Exam Style)
I am in SS 1. Give me a real-world word problem on reading the denominator of a fractional
Spot My Mistake: An index that is both negative and fractional (IGCSE Marking)
I am in SS 1. I am revising for both my Cambridge IGCSE and my WAEC Mathematics papers. Sh
Real-World Word Problem: Spotting a quadratic sequence from its differences (Exam Style)
I am in SS 1. Give me a real-world word problem on spotting a quadratic sequence from its
Spot My Mistake: A sequence built from the triangular numbers (IGCSE Marking)
I am in SS 1. I am revising for both my Cambridge IGCSE and my WAEC Mathematics papers. Sh
Spot My Mistake: Factorising a quadratic whose leading coefficient is above one (IGCSE Marking)
I am in SS 1. I am revising for both my Cambridge IGCSE and my WAEC Mathematics papers. Sh
Teach Me (Cambridge Style): Choosing which letter to eliminate first
I am in SS 1. Teach me choosing which letter to eliminate first the way it would be explai