1,420 prompts matching "When two matrices can be multiplied at all"
Practice set: Finding an unknown quantity from an inverse proportion
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Let me explain: Finding the hypotenuse with Pythagoras
I am in SS 1. I have just studied finding the hypotenuse with Pythagoras. Let me explain i
Spot my mistake: Using Pythagoras' theorem to find a shorter
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Practice set: The length of a line segment from its endpoints
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Let me explain: The midpoint of a line segment from its endpoints
I am in SS 1. I have just studied the midpoint of a line segment from its endpoints. Let m
Find my error: Reading the remainders of a base five conversion upward
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Teach me again: Why borrowing in base five carries a value of five
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Extra quiz: Checking a base eight product by converting to base ten
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Teach me again: The division law applied to an expression with several bases
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Find my error: A power of m over n as a root and a power together
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Teach me again: Deciding how many places to move the decimal point
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Check my understanding: Solving a mixed problem combining
I am in SS 1. I think I understand solving a mixed problem combining multiplication, divis
More WAEC practice: Simplifying algebraic expressions
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Another worked example: Describing a set by listing
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More WAEC practice: Describing a set using set-builder
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Teach me again: Why the empty set is a subset of every set
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Extra quiz: Disjoint sets, and how to tell them apart
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Teach me again: Predicting a value from a direct proportion constant
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Extra quiz: Predicting a value from an inverse proportion constant
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Check my understanding: Solving a word problem involving
I am in SS 1. I think I understand solving a word problem involving partial variation now.