Kids · Math puzzles · Volume 1
Math Flow: Number Machine Puzzles
245+ Function Machine Puzzles for Kids Ages 7-9 | Input Output Practice, Grades 2-3
- Book language
- English
- Format (inches)
- 8.5 × 11″
- Children’s age
- Ages 7–9
- Grade range
- 2 - 3
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Book details
Math Flow: Number Machine Puzzles, by Elyas Oulma. Printed puzzle book in English. Read the edition details and check availability on Amazon.
Feed the machine — and let the outputs check your work! Each puzzle is a friendly number machine: values flow in on the left, travel through pipes that add and subtract, SPLIT down two paths and MERGE back together, and come out the right side. The output numbers are printed — reach them and you know every circle along the way was right. Function machines and input-output thinking, straight from the classroom, drawn the way kids love. • 245+ number machine puzzles (function machine practice) • Splits and merges taught with friendly one-line rules • A hard section where machines run BACKWARD • Every pipe uses a number from 1 to 9 — pure mental math • Big write-in circles, full solutions, 100% screen-free Book 1 of the Math Flow for Kids series.
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