Free 2nd Grade 2.4 A- Addition/ Subtraction Basic Facts Lesson Plan (Math)

Topic: Addition/Subtraction basic facts 2.4A

Objectives & Outcomes

• Students will be able to recall basic addition and subtraction facts within 20 automaticity.

Materials

• Whiteboard or board with markers
• List of basic addition and subtraction facts (e.g. 1+1=2, 2+2=4, 3+3=6, 4+4=8, 5+5=10, etc.)
• Index cards or small pieces of paper

Warm-up

• Review the list of basic addition and subtraction facts with the students. Ask them to say the answers out loud and encourage them to answer quickly and correctly.
• Draw a number line on the board or whiteboard and have the students place a sticker on the number line for each correct answer.
• As students make mistakes, encourage them to think about the answer and why their answer is incorrect.

Direct Instruction

• Review the list of basic addition and subtraction facts again with the students.
• Explain how to add and subtract using the basic facts, using the number line as a visual aid.
• Ask students to try some problems on their own using the basic facts, encouraging them to check their work and correct any mistakes.

Guided Practice

• Pass out a worksheet with addition and subtraction problems within 20 using the basic facts.
• Go over the answers as a class, asking students to explain how they solved each problem.
• Encourage students to try some problems on their own, using the basic facts to solve the problems.

Independent Practice

• Have students complete the worksheet, solving the problems using the basic facts.
• Encourage students to check their answers with a partner or the class before submitting their worksheets.

Closure

• Review the basic facts as a class.
• Ask students to share one thing they learned about adding and subtracting within 20 during today's lesson.

Assessment

• Observe students during independent practice to see if they are able to recall and use the basic facts to add and subtract within 20.
• Collect and review their written work to assess their understanding of the concept.