Subtract Using Decomposition: Make a New Equation #1

Solve double-digit subtraction problems with ease in this second- and third-grade worksheet! In each problem, students will use decomposition to break the subtrahend into tens and ones. From there, learners are able to solve the equation by using mental math.

Decomposing numbers is a great way to solve multi-digit subtraction problems. Challenging equations can be broken up into more manageable parts, allowing students to strengthen their knowledge of place value and sharpen their mental math skills. 

Find the next two worksheets in this series here: Subtract Using Decomposition: Make a New Equation #2 and Subtract Using Decomposition: Make a New Equation #3. For more practice, try out Subtracting Multiples of 10 Using Decomposition or Subtract Using Decomposition: Make a Number Line Model #1.