Counting Strategies and Ocean Creatures

In this lesson, students learn to add numbers using two strategies: counting on and making a 10. The teacher uses examples of counting puffer fish and octopus to demonstrate these strategies. Students practice with problems involving place value and number bonds. The lesson concludes with instructions for an exit ticket to reinforce learning.

What was the main topic of the teacher's visit to the aquarium?

• Drawing ocean animals

• Cleaning the tanks

• Feeding the fish

• Counting sea creatures

How many puffer fish did the teacher see in total?

• 19

• 23

• 27

• 30

What is the first step in the counting on strategy?

• Add the smallest number first

• Say the largest number first

• Draw a picture

• Subtract the numbers

How many octopus did the teacher see in total?

• 34

• 37

• 40

• 33

What should students use to practice the counting on strategy?

• A calculator

• A computer

• A dry erase board

• A notebook

What is the purpose of drawing X's in the practice exercise?

• To represent the change

• To show subtraction

• To divide the numbers

• To indicate multiplication

What is the make a 10 strategy?

• Adding numbers to make a group of ten

• Subtracting numbers to make a group of ten

• Multiplying numbers to make a group of ten

• Dividing numbers to make a group of ten

In the make a 10 strategy, what is the first step?

• Make a number bond

• Draw a picture

• Subtract the ones

• Count backwards

What is the result of 26 + 4 using the make a 10 strategy?

• 34

• 28

• 30

• 32

What should students do after writing a number sentence?

• Start a new problem

• Erase the board

• Check their work

• Draw a picture