Subtraction Within 20 | Number Line Subtraction
by Diana Mathematics © 2026
Price: $3 USD
Subjects: math,mathElementary,operationsAndAlgebraicThinking,additionAndSubtraction
Grades: 1,2
Description
Make subtraction within 20 visual and interactive with these Frog Jump Number Line Boom Cards! Help students strengthen subtraction skills by using a number line to solve subtraction problems within 20. Students hop backward along the number line, draw their jumps, and type the correct answer. Perfect for 1st grade math centers, independent practice, review, intervention, and early finishers. _____________________________ These Subtraction Within 20 Boom Cards provide students with a visual, hands-on way to understand subtraction using number lines. Each card includes a subtraction equation and a number line to help students model the problem before finding the difference. Students practice: – Subtraction facts within 20 – Using a number line to subtract – Counting backward – Drawing backward jumps – Finding the difference – Building subtraction fluency and number sense The cards are interactive, self-correcting, and no prep, making them perfect for digital math practice. _____________________________ ⭐️ What’s Included: – 20 Boom Cards – Subtraction problems within 20 – Frog Jump themed activity – Interactive typing format – Self-checking digital task cards