Grade 4-2
45 problems
Find a fraction from sum and difference
Fraction sequences and their tenth terms
Find the numbers the symbols stand for
Tessellating with several different shapes
One interior angle of a regular polygon
Tessellating with a single shape
Count handshakes in a group
Count games in a knockout tournament
Fill a bracket from win-loss clues
Cross every bridge exactly once
Draw a figure in one stroke
Shortest route covering every road
Count shortest routes on a grid
Shortest edge routes on a solid
Shortest routes through a required stop
Move first or second in a blocking game
Which marbles you must take to win
Mirror the opponent to keep piles equal
Change the shape by moving coins
Move one matchstick to fix an equation
Clues that reduce trial and error
Complete a decimal subtraction from digit cards
Final score after dropping highest and lowest
Group decimals to simplify a long sum
Cut a hexagon with two straight lines
Move one piece to reshape an assembly
Shape of the overlap of two figures
Count quadrilaterals sorted by type
Count figures that contain a marked cell
Count all squares in a grid
Count segments and triangles from marked points
Counting equilateral and isosceles triangles
Draw parallelograms from a given side
Equal sides force equal base angles
Perimeter after cutting equilateral corners
Find the hidden isosceles triangle
Draw an auxiliary parallel through the bend
Chase angles using a rectangle's parallel sides
Prove triangle angle sum with a parallel line
Angles of a star built from rhombuses
Equilateral triangle inside a regular pentagon
Why a parallelogram's opposite angles are equal
Folding a rectangle makes an isosceles triangle
Angles where overlapped figures share a vertex
Angle where a rotated figure meets the original