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What is addition?

Addition means putting two or more things together.

What does addition usually do to a number?

When we add, the number usually gets bigger.

Sign for addition?

We use the plus sign (+) for addition.

What does 2 + 1 mean?

It means you are adding 2 and 1.

If you have 3 red balls and 2 blue balls, how many balls do you have altogether?

You have 5 balls (3 + 2 = 5).

What is subtraction?

Subtraction means taking away some things from a group.

What does subtraction usually do to a number?

When we subtract, the number usually gets smaller.

Sign for subtraction?

We use the minus sign (–) for subtraction.

What does 5 - 2 mean?

It means you are taking 2 away from 5.

If you have 7 candies and you eat 3, how many candies are left?

You have 4 candies left (7 - 3 = 4).

What is the significance of the plus sign (+) in mathematics?

It indicates the operation of addition.

What is the significance of the minus sign (–) in mathematics?

It indicates the operation of subtraction.

3 + 2 = ?

5.

7 - 3 = ?

4.

What is the total when adding two quantities together called?

The sum.

What is the term for the quantity remaining after subtraction?

The difference.

When you combine two groups using addition, what are you calculating?

The total number of items in both groups.

When you take away some items from a group using subtraction, what are you calculating?

How many items are left.

In addition, what do we usually use as the operation symbol?

The plus sign (+).

In subtraction, what do we usually use as the operation symbol?

The minus sign (–).

In the equation 3 + 2 = 5, what is 5 called?

The sum.

In the equation 7 - 3 = 4, what is 4 called?

The difference.

If we add 0 to a number, what happens to the number?

It remains the same.

If we subtract 0 from a number, what happens to the number?

It remains the same.

What do you get when you add a number and its opposite?

You get zero.

What is one example of using addition in real life?

Counting the total number of fruits in a basket.

What is one example of using subtraction in real life?

Calculating how many items are left after selling some.

Why is understanding addition and subtraction important?

They are foundational skills for more advanced math.

What might happen if addition and subtraction are misunderstood?

It could lead to incorrect calculations and problem-solving.

How do you represent a group of items when using addition?

By counting the individual items and summing them.

How do you represent taking away items in subtraction?

By counting how many remain after some are removed.