2020_Solutions_Grades 1-2-2020_Solutions_Levels

2020_Solutions_Levels_1&2
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The document provides suggested solutions for the Math Kangaroo competition for Levels 1 and 2, held on March 19, 2020. It details the problem-solving process for a series of math problems, providing step-by-step explanations and the reasoning behind each solution.<br /><br />1. <strong>Problem 1</strong>: The solution determines when the kangaroo and the rabbit meet on a staircase by analyzing their movement patterns, concluding they meet on step 6.<br /><br />2. <strong>Problem 2</strong>: Discusses determining the correct castle selfie view by comparing the proportions and positions of the towers and walls.<br /><br />3. <strong>Problem 3</strong>: The problem is unspecified, but choice (A) is correct.<br /><br />4. <strong>Problem 4</strong>: Solving a pattern recognition puzzle related to a magician pulling animals from a hat.<br /><br />5. <strong>Problem 5</strong>: Aligning stars on two cards based on provided constraints highlights transformations.<br /><br />6. <strong>Problem 6</strong>: Determines unseen gray cubes using subtraction and given constraints.<br /><br />7. <strong>Problem 7</strong>: Identify the right diagram containing a specific number of triangles and squares through elimination.<br /><br />8. <strong>Problem 8</strong>: Assigns colors to numbers based on a pattern, choosing option D.<br /><br />9. <strong>Problem 9</strong>: Rotating a piece to fit a specific shape, selecting solution C.<br /><br />10. <strong>Problem 10</strong>: Using the criteria of a circular road without three houses, Point C is identified as a valid location for an additional house.<br /><br />11. <strong>Problem 11</strong>: Exploring cube visibility and necessity to determine the total used, revealing figure E uses the most cubes.<br /><br />12. <strong>Problem 12</strong>: Uses basic arithmetic to find hidden digits on a flower, leading to choice C.<br /><br />13. <strong>Problem 13</strong>: Analyzes shaded areas of squares for maximum shading.<br /><br />14. <strong>Problem 14</strong>: Finds numbers that compile to form given sums, suggesting numbers in yellow and blue boxes.<br /><br />15. <strong>Problem 15</strong>: Flipping and rotating shapes to determine final positions, settling on choice B.<br /><br />The document follows a structured approach to tackling each mathematical puzzle, ensuring clarity in explanations and fostering understanding of elementary mathematical concepts.
Keywords
Math Kangaroo
competition
problem-solving
step-by-step
solutions
patterns
geometry
arithmetic
puzzles
reasoning