Lesson Order and Timing - Strategies to Add and Subtract within 20

Step 1

Get Prepared (15 minutes):

Gather materials, copies, or computers. Review the lesson.

Materials:

• See Materials List
• Addition & Subtraction Presentation Slides

Step 2

Think: Pre-Lesson Knowledge Check! (10 minutes):

 Students complete this independently while the facilitator is noting strategies students exhibit during the assessment.

Materials:

• Materials: 
  • Readiness Check!  and Counting Tens-Frame

Step 3

Model & Think: Math Lesson ( 75 - 90 hour):

Review the Pre-Lesson Knowledge Check results together.  Engage in more lessons and practice time for students. 

Materials:

• Warm-Up: What’s My Number? 
• Addition & Subtraction Presentation Slides
• Addition Sets: Problems & Answers
• Subtraction Sets: Problems & Answers
• Counting Tens-Frames
• Addition Sets Progress Check
• Subtraction Sets Progress Check

Step 4

Connect: Closing the Lesson (5 minutes):

Time to celebrate success, review missed skills (use progress checks), and practice real-world application with games.  

Materials:

• Addition & Subtraction Presentation Slides 
• Counting Tens-Frames

Step 5

Post-Lesson Knowledge Check! (20 - 25 minutes):

Complete the post-lesson check of application of the skill. Confirm that the student can now solve addition and subtraction problems within 20 using strategies.

Materials:

• Post-Lesson Knowledge Check