Objective: Students are able to add two-digit numbers within 20

Materials: White board or chalk board, white board markers or chalk; worksheets

Warm-up:

Ask students: Can we add two-digit numbers? Give them a few examples to work out on the whiteboard/chalkboard.

Review:

Review the basic math skills needed to add two-digit numbers within 20. Give examples on the whiteboard/chalkboard to make sure the students understand these basic skills.

Development:

Give the students a worksheet to complete by adding two-digit numbers within 20. Show them simple examples to help them understand the worksheet.

Consolidation:

Ask the students questions based on the worksheet they just completed. Give them the opportunity to explain their answers.

Evaluation:

Have the students complete a written assessment focusing on adding two-digit numbers within 20. Give them the opportunity to correct their mistakes.