1,447 prompts matching "Estimating an answer by rounding each quantity first"
Explain Back: Adding both circular ends to the sloping face of a frustum (IGCSE/WAEC Revision)
I am in SS 1. Let me explain adding both circular ends to the sloping face of a frustum ba
Real-World Word Problem: Finding the height of the cone that was removed (Exam Style)
I am in SS 1. Give me a real-world word problem on finding the height of the cone that was
Explain Back: The surface area of a composite solid (IGCSE/WAEC Revision)
I am in SS 1. Let me explain the surface area of a composite solid back to you in my own w
Real-World Word Problem: The volume of a solid with a hole bored through it (Exam Style)
I am in SS 1. Give me a real-world word problem on the volume of a solid with a hole bored
Worked Example: The midpoint formula (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 product of the gradients of two perpendicular lines (IGCSE/WAEC Revision)
I am in SS 1. Let me explain the product of the gradients of two perpendicular lines back
Real-World Word Problem: The perpendicular bisector of a line segment (Exam Style)
I am in SS 1. Give me a real-world word problem on the perpendicular bisector of a line se
Worked Example: The mode of a list 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
Worked example: Converting a number with a fractional part to base ten
Act as my SS1 Mathematics tutor. Take me through one full worked example on converting a n
WAEC pitfalls: Treating the digits of a base number as base ten digits
Act as my SS1 Mathematics tutor. Show me the mistake candidates most often make on treatin
Worked example: Multiplying two numbers in base five
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WAEC pitfalls: Carrying as though the base were ten
Act as my SS1 Mathematics tutor. Show me the mistake candidates most often make on carryin
Worked example: Deriving the negative index from the division law
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WAEC pitfalls: Applying a law to bases that are not the same
Act as my SS1 Mathematics tutor. Show me the mistake candidates most often make on applyin
WAEC pitfalls: Equating indices when the bases have not been matched
Act as my SS1 Mathematics tutor. Show me the mistake candidates most often make on equatin
Worked example: A two-step problem needing two ratios
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Worked example: Using the power law to simplify a logarithmic expression
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WAEC pitfalls: Treating the logarithm of a sum as the sum of logarithms
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Worked example: The shape of a logarithmic graph
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WAEC pitfalls: A negative characteristic written the wrong way
Act as my SS1 Mathematics tutor. Show me the mistake candidates most often make on a negat