Addition with Ten Frames

Standards

Grade Level: 1st Grade
Area: Mathematics
Standards Alignment:

• CA Math Standard 1.NBT.B.2: Understand that the two digits of a two-digit number represent amounts of tens and ones.
• CA Math Standard 1.OA.A.1: Use addition to represent and solve situations.

Objective

By the end of this lesson, students will be able to use ten frames and simple addition equations to add numbers up to 50 accurately.

Materials Needed

• Ten frames (enough for pairs)
• Counters (at least 50 per pair)
• Whiteboard and markers
• Laminated number cards (0-50)
• Flashcards with simple addition equations (like 5 + 3, 12 + 8)
• Worksheets with addition problems

Lesson Outline

Introduction (10 minutes)

1. Warm-Up Activity:
   • Greet students and have them sit in a circle on the floor.
   • Ask a few friendly math questions to activate prior knowledge (e.g., "What's 2 + 2?", "How many fingers am I holding up?").
   • Show a number (e.g., 15) using ten fingers and ask students to find out how many more are needed to make 20.

Direct Instruction (10 minutes)

1. Explaining Ten Frames:

   • Begin by showing a large ten frame on the board and demonstrating how to fill it with counters.
   • Explain that ten frames help us organize numbers and make it easier to see addition.

2. Demonstration with Counters:

   • Use the ten frame to illustrate a simple addition problem (e.g., 8 + 2) by placing 8 counters, then adding 2 more.
   • Write the corresponding equation on the board and explain each step.

Guided Practice (15 minutes)

1. Pair Students:

   • Divide the class into pairs.
   • Distribute ten frames, counters, and a set of addition flashcards to each pair.

2. Hands-On Activity:

   • Have students choose a flashcard, use the ten frame to solve the problem, and write down the equation on mini whiteboards.
   • Circulate to provide assistance as needed and ensure correct usage of ten frames and counters.

Independent Practice (15 minutes)

1. Worksheet Completion:

   • Distribute worksheets with a series of addition problems up to 50.
   • Encourage students to use the ten frames and counters if needed.

2. Individual Focus:

   • Assist students who may be struggling by providing additional practice problems or modifying the equation difficulty.

Closing (10 minutes)

1. Review:

   • Gather students back together and review the key concepts.
   • Ask volunteers to demonstrate an addition problem using the large ten frame at the front of the class.

2. Reflect:

   • Pose a question: "How do ten frames help us in solving addition problems?"
   • Allow students to share and discuss their thoughts.

3. Celebrate:

   • Praise students for their hard work and understanding.

Assessment

• Observe students during guided practice for correct usage of ten frames and equation writing.
• Collect worksheets to check for individual understanding of addition problems up to 50.
• Use informal questioning during the lesson to assess comprehension.

Differentiation

• For Advanced Students: Provide additional flashcards with slightly more complex equations or introduce them to subtraction using ten frames.
• For Struggling Students: Pair with a peer mentor, or provide counters in two distinct colors to visually separate components of equations.

This lesson plan integrates engaging activities to help first-grade students grasp the concept of addition using ten frames, aligning with the CA curriculum standards.