Doodle Math

Simple Interest

Students can practice simple interest calculations using I = Prt with this print-and-go Doodle Math activity. Includes four levels to practice simple interest, ending balance, rates, and investment time, with 36 questions total.

$3.00 · Buy NowTeachers Pay Teachers

Why you'll love this

As students solve the levels, they unlock patterns they can doodle in designated spaces to complete cute hedgehog and forest images. At the end of class, their solutions become a math masterpiece that's easy to spot-check at a distance. If your students love color by number or color by code, they’ll love Doodle Math!

Includes…

✅ Level 1: Calculate simple interest. (1 page, 9 questions)

✅ Level 2: Calculate ending balance after simple interest is added. (1 page, 9 questions)

✅ Level 3: Calculate rates when given ending balance, initial deposit, and investment time. (1 page, 9 questions)

✅ Level 4: Calculate investment time when given simple interest, rates, and ending balance. (1 page, 9 questions)

✅ Hedgehog image sheet for Level 1 & Level 2 with designated sections for doodling. (1 page)

✅ Forest image sheet for Level 3 & Level 4 with designated sections for doodling. (1 page)

✅ Answer key. (6 pages) 

✅ Optional student formula sheet. (1 page)

Great for…

⭐ Back-to-School, Spiral Review Lessons

⭐ Emergency Sub Plans

⭐ Homeschool Activities

⭐ Homework & Independent Practice

⭐ Learning Centers & After School Math Programs

Reviews for other Doodle Math products…

⭐⭐⭐⭐⭐ Micaela F. - “Great resource and activity!”

⭐⭐⭐⭐ Megan F. - “My kids loved being able to combine their love of art with our current math skill. It was challenging and fun at the same time.”

⭐⭐⭐⭐⭐ Teachertom (TpT Seller) - “My students loved this and the timing was perfect!”

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Want to try before you buy?

We'll send you 6 activities (66 pages!) — for free.

Engaging3rd - 7th GradeLow-or-No-Prep