1,483 prompts matching "Telling an open statement from a closed one"
Real-life question: Manipulating directed (positive
Act as my SS1 Maths tutor. Set me a fresh word problem about a student saving allowance in
Extra quiz: Disjoint sets, and how to tell them apart
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Check my understanding: Two sets whose intersection is empty
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Another worked example: Using a Venn diagram with three sets
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Another worked example: Choosing sensible x values for a linear table
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More practice: Plotting a quadratic graph and identifying
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Find my error: Proving that the exterior angle of a triangle
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More WAEC practice: Applying the condition that two triangles
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Extra quiz: Why side-side-angle is not a congruence condition
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Another worked example: Using the equal intercept theorem to find a missing length
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More WAEC practice: Which sector of a pie chart the median falls in
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More practice: Using the special angles 30, 45 and 60 degrees
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Another worked example: Finding a shorter side with Pythagoras
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More practice: Finding the area and perimeter of a trapezium
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Find my error: Calculating the square and square root
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Real-life question: Calculating the cube and cube root
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More practice: Reading and interpreting a bus or train
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Check my understanding: Adding mixed numbers with unlike denominators
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More practice: Simplifying an expression by collecting
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Check my understanding: Expanding the product of two brackets
Act as my WAEC Mathematics tutor. I am in SS 1. Check whether I really understand expandin