2017_Solutions_Grades 1-2-2017_Solutions_Levels

2017_Solutions_Levels_1&2
Pdf Summary
The document provides detailed solutions for Math Kangaroo's 2017 competition for Levels 1 and 2. Each problem is addressed methodically with concise explanations for how to arrive at the correct answer, accompanied occasionally by visual aids.<br /><br />1. In problem 1, it's determined David caught a fish by following the line from the fish back to him.<br />2. Problem 2 identifies four stars with only five points.<br />3. Problem 3 involves dividing a pie equally among four children.<br />4. Problem 4 shows how a rope is cut into five parts using scissors.<br />5. Problem 5 allows for constructing a butterfly using given stickers; only configuration (A) works.<br />6. Problem 6 counts six missing bricks in an igloo.<br />7. Problem 7 corrects the position of a necklace after untangling.<br />8. Problem 8 analyzes number equality, concluding number 4 is unused.<br />9. Problem 9 examines a trading scenario, finding two rubies trade for twelve flowers.<br />10. Problem 10 maps positions after people move in seats.<br />11. Problem 11 tallies triangles in a house design picture.<br />12. Problem 12 involves turning a shape back to its earlier configurations after several rotations.<br />13. Problem 13 counts fruits and vegetables in pictures meeting specific conditions.<br />14. Problem 14 explains line placement in a sequence by counting forward and recognizing patterns.<br />15. Problem 15 uses Roman numerals to deduce a math competition year.<br />16. Problem 16 analyzes resource needs for crown creation.<br />17. Problem 17 derives unknown numbers in a grid using pattern recognition.<br />18. Problem 18 involves adding cows to balance animal counts.<br />19. Problem 19 uses limited pieces to replicate shapes.<br />20. Problem 20 calculates a kangaroo's jump routine with rest breaks.<br />21. Problem 21 requires reversing a picture to match a stamp's appearance.<br />22. Problem 22 translates 'GAG' in a lock system using numbers.<br />23. Problem 23 positions symbols using stated spatial rules.<br />24. Problem 24 explores card flipping to reveal a preferred color order.<br /><br />The document wisely combines reasoning and sometimes drawing to guide how one should think about and solve each problem, reinforcing mathematical concepts and logic.
Keywords
Math Kangaroo 2017
Levels 1 and 2
problem solutions
visual aids
math concepts
logic reasoning
pattern recognition
Roman numerals
geometry
number equality