Addition & Subtraction within 100 Secret Code Activities

Looking for some fun year end activities on Double Digit Addition and Subtraction within 100?

Grab this Math Secret Code activity on Addition and Subtraction up to 100 and solve themed word problems with your 1st Grade / 2nd Grade students. This resource contains 15+ problem based puzzles. Each puzzle is numbered and presented on individual slides. These puzzles consist of several questions that test on different set of skills and outcomes. For every puzzle solved, your students get to discover new vocabs and fun discoveries. This unit also comes with an answer sheet template for your students to write down their answers and make your gradings a little easier. It is suitable for morning work, spiral review, homework, activity for sub and more.

Below are the target mastery:

• Differentiating addition and subtraction symbols
• Adding by counting on
• Adding from the larger number
• Adding by the place values
• Subtracting by counting back
• Subtracting by counting on
• Subtracting by the place values
• Identifying smallest and largest numbers
• Comparing and ordering numbers
• Identifying missing values
• Logical thinking