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.

2025 Problems

26 to 29 May

Gr 4 & 5_2025_15

Gr 6 & 7_2025_15

Winning entries

#1 (91)

Thomas Dietrich 4.1, Ryan Beukes 5.4, Aidan Hermanus 6.4, Keith Kustner 7.1

#2 (78)

Katie Sharples 3.4, Philip Spruyt 4.1, Jack Hampton 5.3, Sophie Marshall 6.1, Kian Botha 7.1

#3 (64)

Sofaa Abrahams 3.3, Lucy van der Watt 4.2, Max Cowan 5.2, Grayson Jeuschenak 6.4, Ivy Williams 7.3

#4 (145)

Zach Burnstone 3.4, Liam Narun 4.2, Thomas Collen 5.4, Sierra Hawke 6.1, Haley Cowan 7.1

#5 (86)

Luke Adams 3.1, Lily Bosman 4.2, Alexander Gibbs 5.3, Addison Fazakerley 7.1

#6 (134)

Cole Fazakerley 3.1, Anna van As 4.3, Jaxon Williams 5.1, Parker Johnson 6.2, Lika Odendaal 7.3

#7 (105)

Dean Horn 3.3, Ethan Brown 4.4, Sophie Nixon 5.2, Paige Cronje 6.1, Caleb Palmer 7.2

#8 (85)

Sara Craig 3.1, Sasha Stringer 4.4, Jack Hampton 5.3, Christopher Wates 6.1, Mwawi Mkwakwata

#9 (64)

Cole Fazakerley 3.1, Ben Scaife 4.2, Elijah Rea 5.1, Luke Small 7.4

#10 (44)

Zach Burnstone 3.4, Jessica Malan 4.1, Charlie-Jane Jacobs 5.1, Ivy Williams 7.3

#11 (50)

Arlo Hayward 3.2, Adam Robinson 4.2, Eli Vossgatter 5.1, Lloyd Gillett 6.4, David Sessions 7.3

#12 (65)

Raffa Stipinovich 3.1, Lucy van der Watt 4.2, James Morrison 5.3, Elian Kadar 6.2, Caleb Palmer 7.2

#13 (101)

Harlow Knipe 3.2, Emily Elsworth 4.2, Ella Goldschmidt 5.1, Paige Cronje 6.1, Ivy Williams 7.3

#14 (73)

Ethan Dobes 3.1, Noah Boom 4.2, Alastair Mullins 5.4, Sarah van Zyl 7.2