Early Years Mathematics - Addition and Subtraction

Objective: To teach children about addition and subtraction.

Materials:

• A set of manipulatives (e.g. blocks, counters, etc.)
• Whiteboard and markers
• A set of addition and subtraction problems written on index cards

Procedure:

1. Introduction (5 minutes)
   • Greet the students and explain the purpose of the lesson.
   • Ask the students if they know what addition and subtraction are.
   • Write the words "addition" and "subtraction" on the whiteboard.
2. Addition demonstration (10 minutes)
   • Show the students a set of addition problems written on index cards and ask them to solve each problem using the manipulatives.
   • Encourage the students to explain their thinking and to use the manipulatives to visualize the addition.
   • Repeat the activity several times, using different problems each time.
3. Subtraction demonstration (10 minutes)
   • Show the students a set of subtraction problems written on index cards and ask them to solve each problem using the manipulatives.
   • Encourage the students to explain their thinking and to use the manipulatives to visualize the subtraction.
   • Repeat the activity several times, using different problems each time.
4. Closing (5 minutes)
   • Summarize what the students learned during the lesson.
   • Encourage the students to continue practicing addition and subtraction at home.
   • Dismiss the students and thank them for their participation.