Change Unknown (Missing Subtrahend) Word Problems within 20

Change Unknown (Missing Subtrahend) Word Problems within 20
Change Unknown (Missing Subtrahend) Word Problems within 20
Change Unknown (Missing Subtrahend) Word Problems within 20
Change Unknown (Missing Subtrahend) Word Problems within 20
Change Unknown (Missing Subtrahend) Word Problems within 20
Change Unknown (Missing Subtrahend) Word Problems within 20
Change Unknown (Missing Subtrahend) Word Problems within 20
Change Unknown (Missing Subtrahend) Word Problems within 20
File Type

PDF

(2 MB|15 pages)
Product Rating
Standards
  • Product Description
  • StandardsNEW

When it comes to solving math problems where the change is unknown, students often need additional practice in order to fully grasp the concept. With these 24 task cards / word problems, students will  have fun while practicing and reinforcing the concept of solving a math problem where the change is unknown. The problem solving mat allows students to show a higher level of thinking by having them show their thought process through using ten frames, number bonds, and drawing pictures. All students have to do is choose a task card, solve the problem, and write their answer/equation on their recording sheets. 

Included inside are:

  • 24 Task Cards (5 x 4 inches) -  Word Problems where the change is unknown (Missing Subtrahend) 
  • Problem Solving Mat for students
  • Student Recording Sheets (2 versions)
  • Answer Keys


These task cards and problem solving mat can be used in many different ways including math centers, individual practice, a class game, test prep, or in a guided group. To help the cards last longer, you may choose to print them on cardstock or laminate them after printing. To store them, you could place them in a zip lock bag, a container, or punch a hole and attach it together with a ring. 


If you liked this product, make sure to check out my other products:

Multiples / Skip Counting Posters For Multiplication Facts 1-12

Cute and Easy Apple Themed Homework Passes 

Classroom Number Labels 1-36

Fall Themed Math Worksheets - Differentiated Addition, Subtraction, & Regrouping

Thank you so much for your support! I hope you find this product useful in your own classroom. If you have any questions, concerns, or feedback, please let me know as your feedback helps me improve my products!

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Log in to see state-specific standards (only available in the US).
Fluently add and subtract within 20 using mental strategies. By end of Grade 2, know from memory all sums of two one-digit numbers.
Use addition and subtraction within 100 to solve one- and two-step word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using drawings and equations with a symbol for the unknown number to represent the problem.
Use addition and subtraction within 20 to solve word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using objects, drawings, and equations with a symbol for the unknown number to represent the problem.
Total Pages
15 pages
Answer Key
Included
Teaching Duration
N/A
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