Problem of the Week

Every week, a "problem of the week" is made available. There is one problem set for Grades 4 & 5, and another one for Grades 6 & 7. The best solution in each grade is awarded a packet of smarties.

All problems can be solved without needing High School algebra! In particular,

Gr 4 & 5 problems can be solved without any algebra.

2026 Problems

Solutions 2026

23 to 26 March

Gr 4 & 5_2026_10

Gr 6 & 7_2026_10

Winning entries

Number of entries in brackets

#1 (120)

Kierah Wilson 3.2, Selina Banda 4.3, Carter Botha 5.1, Layyah Essop 6.4, Sophie Marshall 7.3

#2 (158)

Katie Sharples 4.3, Noah Boom 5.2, Ella Goldschmidt 6.3, Kate Lowry 7.3

#3 (112)

Ashley Morrison 3.1, Arnold Ashley 4.1, Lily Bosman 5.2, Julie Browne 6.2

#4 (97)

Chloe Scorgie 3.2, Harry Mullins 7.4, Ben Scaife 5.2, Mia Scholtz 6.2, Seth Peterson 7.4

#5 (98)

Grayson Heyns 3.1, Raffa Stipinovich 4.4, Liam Narun 5.4, Alastair Mullins 6.2

#6 (60)

Scarlett Scorgie 3.4, Zach Burnstone 4.2, Sam Klaasen 5.2, Jack Hampton 6.4, Seth Peterson 7.4

#7 (62)

Olivia Young 3.3, Joshua Kruger 4.2, Augustus Lennard 5.2, Max Revington 6.4, Kaitlin Adams 7.1

#8 (70)

Scott Ackerman 3.3, Madison Eccles 4.1, Philip Spruyt 5.3, Sophie Nixon 6.3, Katie Wates 7.3

#9 (93)

Chloe Scorgie 3.2, Luke Adams 4.2, Lucy van der Watt 5.4, Cameron Starke 6.1, Seth Peterson 7.4