Math Mysteries: The Triplet Threat

by Aaron Starmer, Marta Kissi (Illustrations)

Math The Triplet Threat―where solving crimes means solving equations!

It's the first day of fourth grade at Arthimos Elementary, and things are already off to a strange start―poisonous cookies, a zipline disaster, a missing iPad, and what are those strange sounds coming from the school custodian's wheelbarrow? Luckily the Prime Detectives―Abby "the Abacus" Feldstein, Cameron "Cam" McGill, and Gabriel "Gabe" Kim―are on the case!

Using arithmetic, geometry, and logic, the Prime Detectives are sure to figure out who did what, when, and why! This page-turning mystery by author Aaron Starmer brims with lighthearted intrigue and essential middle-grade math skills that will have readers on the edge of their seats. Perfect for kids who love puzzles, riddles, brain teasers, and adventure stories!

Each book in this gripping series contains multiple, interlinked mysteries that readers help solve using math. Includes answers showing step-by-step solutions―ideal for grades 4–8.


Also from the MATH MYSTERIES
The Fall Festival Fiasco

Genres: Mystery, Middle Grade

192 pages, Paperback

Published September 26, 2023

Reviews

[Shankar B. · Rating 2 out of 5]

I gave it two stars because there were was too much math in it.

[Lara · Rating 4 out of 5]

My 9yo says: It was so good. It was mathy and that is why I liked it. And I liked the plot. It doesn’t get 5 stars because it’s not my favorite book I ever read but I really really liked it. You should read it.

[Beth Anne · Rating 4 out of 5]

This is the first book in a middle grade series that features math prominently! I was really impressed with all the different math facts and real life examples that were incorporated, even more so because the main characters are all 4th graders and the math skills were perfect for 4th grade. The illustrations were throughout and the math solutions were all in colorful fonts and boxes to make them easy to follow.

From a pure plot perspective the story was simple, but the way it used math in a real story made up for those weaknesses in my estimation.

Definitely recommend this for ages 6-10, and it would make a fun read aloud because there are a lot of opportunities to participate in the math as it unfolds.

[Kayla Falkenholt · Rating 3 out of 5]

Engaging, easy to follow story interspersed with step-by-step calculations. I'm going to enjoy figuring out how to use this book in the classroom.

[Aiyana Nesbitt · Rating 5 out of 5]

The book was excellent and very like good because I like math and to me like math books makes me want to read the book.