Understanding Subtraction Concepts

In this math lesson, students learn to write number sentences for subtraction stories using leaves. The teacher introduces the concept of 'some and some went away' and demonstrates subtraction with examples involving different numbers of leaves. Students are guided through writing number sentences using subtraction and equals symbols. The lesson concludes with encouragement to practice writing subtraction stories.

What is the main topic of today's lesson?

• Addition stories

• Multiplication stories

• Subtraction stories

• Division stories

What do we call subtraction stories in this lesson?

• Some and some went away

• Some and some added

• Some and some stayed

• Some and some more

What is the first step in writing a number sentence for subtraction?

• Write the equal symbol

• Count how many went away

• Count the total number of items

• Write the subtraction symbol

In the first example, how many leaves are taken away from eight?

• One

• Three

• Two

• Four

What is the result of eight take away two?

• Five

• Eight

• Six

• Seven

How many leaves are initially used in the first example?

• Five

• Eight

• Six

• Seven

In the second example, how many leaves are taken away from six?

• Two

• One

• Four

• Three

What is the result of six take away three?

• Two

• Three

• Four

• Five

How many leaves are initially used in the second example?

• Five

• Six

• Seven

• Four

In the third example, how many leaves are left after one is taken away from three?

• Four

• Three

• Two

• One