April, 2020 - Effortless Math - Page 13

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Geometry Puzzle – Critical Thinking 18

Geometry Puzzle – Critical Thinking 18

The sum of more than two consecutive integers is 17. What is the LEAST number of integers? The clean answer is 17, the consecutive integers from -7 to 9 sum to 17, and the cancellations from pairing negatives with positives make this the smallest possible run. Key takeaways: Sum of \( n \) consecutive integers […]

Geometry Puzzle – Critical Thinking 17

Geometry Puzzle – Critical Thinking 17

This puzzle gives you a single condition: the volume of a cube equals one third of its total surface area. Translate that into algebra, V = (1/3) × SA, set up the cube formulas, and you can solve for the edge length in one short equation. Key takeaways: For a cube of edge \( s […]

Algebra Puzzle – Critical Thinking 15

Algebra Puzzle – Critical Thinking 15

Algebra Puzzle – Critical Thinking 14

Algebra Puzzle – Critical Thinking 14

Algebra Puzzle – Critical Thinking 12

Algebra Puzzle – Critical Thinking 12

Algebra Puzzle – Critical Thinking 13

Algebra Puzzle – Critical Thinking 13

Algebra Puzzle – Critical Thinking 11

Algebra Puzzle – Critical Thinking 11

Ratio, Proportion and Percentages Puzzle -Critical Thinking 10

Ratio, Proportion and Percentages Puzzle -Critical Thinking 10

Ratio, Proportion and Percentages Puzzle -Critical Thinking 9

Ratio, Proportion and Percentages Puzzle -Critical Thinking 9

How to Do Ratio, Proportion, and Percentages Puzzle -Critical Thinking 8

How to Do Ratio, Proportion, and Percentages Puzzle -Critical Thinking 8

How to Prepare for the CLEP College Mathematics Test?

How to Prepare for the CLEP College Mathematics Test?

Number Properties Puzzle – Challenge 15

Number Properties Puzzle – Challenge 15