893 prompts matching "Estimating an answer by rounding each quantity first"
Worked Example: Adding two numbers written in the same base (Show That / Hence Find)
I am in SS 2. I am revising for both my Cambridge IGCSE and my WAEC Mathematics papers. Wa
Spot My Mistake: Subtracting in modulo six (IGCSE Marking)
I am in SS 2. I am revising for both my Cambridge IGCSE and my WAEC Mathematics papers. Sh
Explain Back: The additive inverse in modular arithmetic (IGCSE/WAEC Revision)
I am in SS 2. Let me explain the additive inverse in modular arithmetic back to you in my
Explain Back: Multiplying two numbers using logarithms (IGCSE/WAEC Revision)
I am in SS 2. Let me explain multiplying two numbers using logarithms back to you in my ow
Real-World Word Problem: Dividing two numbers using logarithms (Exam Style)
I am in SS 2. Give me a real-world word problem on dividing two numbers using logarithms,
Spot My Mistake: Writing a bar number in logarithm work (IGCSE Marking)
I am in SS 2. I am revising for both my Cambridge IGCSE and my WAEC Mathematics papers. Sh
Worked Example: Adding logarithms that carry bar characteristics (Show That / Hence Find)
I am in SS 2. I am revising for both my Cambridge IGCSE and my WAEC Mathematics papers. Wa
Explain Back: Subtracting logarithms that carry bar characteristics (IGCSE/WAEC Revision)
I am in SS 2. Let me explain subtracting logarithms that carry bar characteristics back to
Worked Example: The quotient law of logarithms (Show That / Hence Find)
I am in SS 2. I am revising for both my Cambridge IGCSE and my WAEC Mathematics papers. Wa
Explain Back: The power law of logarithms (IGCSE/WAEC Revision)
I am in SS 2. Let me explain the power law of logarithms back to you in my own words, as i
Real-World Word Problem: Combining three logarithms into one (Exam Style)
I am in SS 2. Give me a real-world word problem on combining three logarithms into one, se
Worked Example: Treating like surds as though they were like terms (Show That / Hence Find)
I am in SS 2. I am revising for both my Cambridge IGCSE and my WAEC Mathematics papers. Wa
Spot My Mistake: Rationalising a denominator with a conjugate (IGCSE Marking)
I am in SS 2. I am revising for both my Cambridge IGCSE and my WAEC Mathematics papers. Sh
Worked Example: A logarithmic equation with a single logarithm (Show That / Hence Find)
I am in SS 2. I am revising for both my Cambridge IGCSE and my WAEC Mathematics papers. Wa
Explain Back: A logarithmic equation with logarithms on both sides (IGCSE/WAEC Revision)
I am in SS 2. Let me explain a logarithmic equation with logarithms on both sides back to
Spot My Mistake: The nth term of a geometric progression written as ar to the n minus one (IGCSE Marking)
I am in SS 2. I am revising for both my Cambridge IGCSE and my WAEC Mathematics papers. Sh
Worked Example: The condition for a sum to infinity to exist (Show That / Hence Find)
I am in SS 2. I am revising for both my Cambridge IGCSE and my WAEC Mathematics papers. Wa
Explain Back: The sum to infinity formula (IGCSE/WAEC Revision)
I am in SS 2. Let me explain the sum to infinity formula back to you in my own words, as i
Real-World Word Problem: A recurring decimal written as a geometric series (Exam Style)
I am in SS 2. Give me a real-world word problem on a recurring decimal written as a geomet
Explain Back: Reading a sum written in sigma notation (IGCSE/WAEC Revision)
I am in SS 2. Let me explain reading a sum written in sigma notation back to you in my own