1,447 prompts matching "Estimating an answer by rounding each quantity first"
Explain back: Substituting numbers into an expression
I have just studied substituting numbers into an expression in my SS1 Mathematics class. L
Worked example: Writing an expression from a described situation
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Spot My Mistake: Algebraic Manipulation (IGCSE)
I am a Year 10 pupil. I'll show you my working for a Cambridge IGCSE-style question on fac
Worked example: Simplifying an algebraic fraction
Act as my SS1 Mathematics tutor. Take me through one full worked example on simplifying an
Explain back: Primary data and secondary data
I have just studied primary data and secondary data in my SS1 Mathematics class. Let me ex
Worked example: Choosing a sample, and what makes it fair
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Explain back: Bisecting a given angle with compasses
I have just studied bisecting a given angle with compasses in my SS1 Mathematics class. Le
Explain back: Converting between units of area and of volume
I have just studied converting between units of area and of volume in my SS1 Mathematics c
Spot My Mistake: Units of Measure and Money (IGCSE)
I am a Year 10 pupil. I'll show you my working for a Cambridge IGCSE-style question on con
Worked example: Naira and kobo in a money calculation
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Explain back: The area of a parallelogram and of a trapezium
I have just studied the area of a parallelogram and of a trapezium in my SS1 Mathematics c
Spot My Mistake: Area and Perimeter (IGCSE)
I am a Year 10 pupil. I'll show you my working for a Cambridge IGCSE-style question on the
Worked example: The circumference and area of a circle
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Explain back: Lines of symmetry in a plane shape
I have just studied lines of symmetry in a plane shape in my SS1 Mathematics class. Let me
Spot My Mistake: Geometrical Terms and Symmetry (IGCSE)
I am a Year 10 pupil. I'll show you my working for a Cambridge IGCSE-style question on lin
Explain back: The mode, and data with more than one mode
I have just studied the mode, and data with more than one mode in my SS1 Mathematics class
Spot My Mistake: Averages and Measures of Spread (IGCSE)
I am a Year 10 pupil. I'll show you my working for a Cambridge IGCSE-style question on ran
Worked example: The range as a measure of spread
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Explain back: A pictogram and the key it needs
I have just studied a pictogram and the key it needs in my SS1 Mathematics class. Let me e
Spot My Mistake: Statistical Charts and Diagrams (IGCSE)
I am a Year 10 pupil. I'll show you my working for a Cambridge IGCSE-style question on dra