2018_Solutions_Grades 3-4-2018_Solutions

2018_Solutions_Grades 3-4
Pdf Summary
The Math Kangaroo 2018 solution suggestions document provides detailed answers for a variety of math problems aimed at Levels 3 and 4. Here's a concise summary of the solutions:<br /><br />1. <strong>Problem 1</strong>: Count only different digits in the date, giving a total of 6 different digits.<br />   <br />2. <strong>Problem 2</strong>: The arrows path shows 6 balloons are hit.<br />   <br />3. <strong>Problem 3</strong>: Adding ages given as 6 years, results in an answer of 18.<br /><br />4. <strong>Problem 4</strong>: Screw 5 is the short screw, identified by its visibility compared to others.<br />   <br />5. <strong>Problem 5</strong>: Sophie's wing dot pattern is unique in option D.<br />   <br />6. <strong>Problem 6</strong>: Unfolded paper results in a circle having a half-circle pattern when folded.<br /><br />7. <strong>Problem 7</strong>: Diana scored 21 points, calculated by tallying her scored points over multiple turns.<br /><br />8. <strong>Problem 8</strong>: You perceive the table's right and left sides based on direction faced.<br /><br />9. <strong>Problem 9</strong>: A specific design can't be made suggesting an impossible pattern.<br />   <br />10. <strong>Problem 10</strong>: The ghost goes in the questioned spot to avoid duplicate items.<br /><br />11. <strong>Problem 11</strong>: Defines the use of three squares and three trapezoids to build a boat structure.<br /><br />12. <strong>Problem 12</strong>: Option (E) closely matches the correct number of dots.<br /><br />13. <strong>Problem 13</strong>: Back-calculates the days of the week to deduce the starting day as Friday.<br /><br />14. <strong>Problem 14</strong>: 8 cubes will be painted following a chain arrangement calculation.<br /><br />15. <strong>Problem 15</strong>: The number of butterflies must be divisible by two and calculated as 4.<br /><br />16. <strong>Problem 16</strong>: Calculation gives the Easter-Lake distance as 33 km.<br /><br />17. <strong>Problem 17</strong>: Identifies the correct choice for the given conditions.<br /><br />18. <strong>Problem 18</strong>: Deduction reveals ball C must weigh 30 after balancing considerations.<br /><br />19. <strong>Problem 19</strong>: Tightening the band by four holes results in a reduction of 8 cm in length.<br /><br />20. <strong>Problem 20</strong>: Represents numeric value assignment in a sequence, finding all symbols.<br /><br />21 to 24: Comprises logical deduction and basic arithmetic operations to find areas or numerical values in constraints.<br /><br />These problems blend basic arithmetic, logical reasoning, and visual-spatial skills, emphasizing number manipulation, sequence identification, and contextual problem-solving within geometry and pattern puzzles.
Keywords
Math Kangaroo 2018
solution suggestions
Levels 3 and 4
math problems
arithmetic
logical reasoning
visual-spatial skills
geometry puzzles
pattern puzzles
number manipulation