1,447 prompts matching "Estimating an answer by rounding each quantity first"
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
Spot My Mistake: Linear Equations and Formulae (IGCSE)
I am a Year 10 pupil. I'll show you my working for a Cambridge IGCSE-style question on sol
Worked example: Solving an equation containing a fraction
Act as my SS1 Mathematics tutor. Take me through one full worked example on solving an equ
Explain back: Solving by elimination after multiplying one equation
I have just studied solving by elimination after multiplying one equation in my SS1 Mathem
Spot My Mistake: Direct and Inverse Proportion (IGCSE)
I am a Year 10 pupil. I'll show you my working for a Cambridge IGCSE-style question on set
Worked example: The equation and graph of inverse proportion
Act as my SS1 Mathematics tutor. Take me through one full worked example on the equation a
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
Spot My Mistake: Linear Graphs and Gradient (IGCSE)
I am a Year 10 pupil. I'll show you my working for a Cambridge IGCSE-style question on dra
Spot My Mistake: Scale Drawing and Bearings (IGCSE)
I am a Year 10 pupil. I'll show you my working for a Cambridge IGCSE-style question on usi
Worked Example: The inverse of an element under modulo multiplication (Show That / Hence Find)
I am in SS 1. I am revising for both my Cambridge IGCSE and my WAEC Mathematics papers. Wa
Explain Back: The multiplication and division laws of indices used together (IGCSE/WAEC Revision)
I am in SS 1. Let me explain the multiplication and division laws of indices used together
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
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
Worked Example: A quadratic that must be rearranged before factorising (Show That / Hence Find)
I am in SS 1. I am revising for both my Cambridge IGCSE and my WAEC Mathematics papers. Wa
Worked Example: Finding the constant of a direct variation from one pair of values (Show That / Hence Find)
I am in SS 1. I am revising for both my Cambridge IGCSE and my WAEC Mathematics papers. Wa
Explain Back: Finding the constant of an inverse variation from one pair of values (IGCSE/WAEC Revision)
I am in SS 1. Let me explain finding the constant of an inverse variation from one pair of
Real-World Word Problem: Joint variation with three quantities (Exam Style)
I am in SS 1. Give me a real-world word problem on joint variation with three quantities,
Real-World Word Problem: Representing an inequality on a number line (Exam Style)
I am in SS 1. Give me a real-world word problem on representing an inequality on a number
Real-World Word Problem: A height found from an angle of elevation (Exam Style)
I am in SS 1. Give me a real-world word problem on a height found from an angle of elevati
Explain Back: Finding the radius from an arc length and its angle (IGCSE/WAEC Revision)
I am in SS 1. Let me explain finding the radius from an arc length and its angle back to y