Grade 5-2
45 problems
Count distinct arrangements up to rotation
Find the hidden rule, then place numbers
Fill the grid under row-column-region rules
Angles between segments drawn on a cube
Cross-sections cut from a cube
Top, front, and side views of drawn lines
Build a cuboid from six rectangles
Cut and fold edges of a net
Longest and shortest perimeter of a net
Fair games and comparing likelihoods
Permutations versus combinations
Addition and multiplication counting rules
Best and worst case draws for a pair
People needed for three shared birthdays
Pigeonhole applied to digit-card numbers
Two-coloring decides domino tiling
Decide odd or even without computing
Flip count parity pins down hidden faces
Recover a missing count from the mean
Move the mean by adding a value
Sum evenly spaced runs via the middle
Solve using lines with equal sums
Largest and smallest line sum
Solve using the sum of one line
Complete a 4 by 4 magic square
Magic sums on the edges of a cube
Magic star built from paired sums
Move a triangle onto its congruent twin
Cut an equilateral triangle into congruent triangles
Which conditions force two triangles congruent
Figures turned through 180 degrees
Line-symmetric and point-symmetric figures
Figures reflected in a mirror
Cut a point-symmetric figure into congruent halves
Shortest path that must touch a line
Symmetric numbers written in digital numerals
How many different cube nets exist
Draw cube nets inside a bounded grid
Find opposite faces on a cube net
Deduce the pattern on a hidden face
Slide a face to an equivalent net
Transfer segments from cube to net
Complete a die from several views
Greatest and least dice pip totals
Rolling a die along a path