Dolphins and Decomposing Ten Activities

In this lesson, students explore the concept of decomposing the number ten using engaging activities with dolphins, beach balls, and surfboards. The teacher introduces the lesson by discussing favorite numbers and using fingers as counting sticks. Students learn to break down the number ten into parts using visual aids and interactive counting exercises. The lesson concludes with a drawing activity where students create their own number bonds.

What is the teacher's favorite number?

• Five

• Ten

• Twenty

• Seven

Why does the teacher like the number ten?

• Because it's a prime number

• Because it can be divided by two

• Because it can be carried around all day

• Because it's the highest single-digit number

What are counting sticks used for in the lesson?

• To play games

• To write stories

• To help with math

• To draw pictures

How many counting sticks do we have?

• Twenty

• Five

• Ten

• Fifteen

What is the learning goal for the lesson?

• To subtract numbers from ten

• To add numbers up to twenty

• To decompose ten using stories, drawings, and number bonds

• To learn multiplication

How many dolphins are there in the story?

• Twelve

• Seven

• Five

• Ten

How many beach balls do the dolphins have?

• Ten

• Four

• Eight

• Six

What is the first step in decomposing ten with beach balls?

• Count the dolphins

• Draw a picture

• Write a story

• Count the beach balls

How many dolphins have beach balls?

• Ten

• Four

• Six

• Eight

How many dolphins do not have beach balls?

• Eight

• Six

• Ten

• Four