🦘 Math Kangaroo Grade All Felix 1-2 Ecolier 3-4 Benjamin 5-6 Kadett 7-8 Junior 9-10 Student 11-12 ⇄ switch contest
2012 Math Kangaroo

Problem 1

Problem 1 · 2012 Math Kangaroo Easy
Spatial & Visual Reasoning area-fractionsequence-of-figures
Figure for Math Kangaroo 2012 Problem 1
Show answer
Answer: E
Show hints
Hint 1 of 2
In each square, decide whether the shaded part covers more or less than half.
Still stuck? Show hint 2 →
Hint 2 of 2
You want the picture where the white (unshaded) part is the bigger half.
Show solution
Approach: compare shaded vs unshaded halves
  1. In four of the squares the grey region is at least half of the square.
  2. Look for the one square where the grey takes up less than half, so the white part is the larger.
  3. That happens only in picture E.
Mark: · log in to save