Properties of addition and subtraction for Class 2 Part 2

Properties of addition and subtraction for Class 2 Part 2

Reminders

• Play this lesson only when you have played Part 1.

• Those who do not have played part 1 of this topic, please play that to play this lesson.

Topics and exercises in Part 2 (in order)

• Checkpoint 3 (Part 1)

• Order property of subtraction

• Checkpoint 4

• 0 property of subtraction

• Topic-end exercises

Checkpoint 3 (Part 1)

Let's revise the 0 property of addition that we have learned in Part 1.

Multiple Choice

Which expression does NOT follow the 0 property of addition?

• 511+0=511

• 123+211=211+123

• 477+0=477

• 174+0=174

Multiple Select

Choose those expressions which follow the 0 property of addition?

• 104+208=208+104

• 441+0=441

• 720+0=720

• 220+744=744+220

Properties of subtraction

Let's learn subtraction facts

Properties of subtraction

• There are 2 properties of subtraction

• 1. 0 property of subtraction - 1

• 2. 0 property of subtraction - 2

1. 0 property of subtraction - 1

In this 0 property, if we subtract any number by 0, we get the same number. For example:- 645-0=645

Checkpoint 4

Let's revise what we have just learned.

Multiple Choice

Which expression does follow the first 0 property of subtraction?

• 211+0=211

• 744-0=744

• 144-144=0

• 144+211=211+144

2. 0 property of subtraction - 2

In this 0 property, if we subtract any number by itself, the answer is 0. For example:- 944-944=0

Thank you

Please stay tuned for Part 3 quiz to continue the topic. See the next slide to check the reminders of Part 3 before joining it.

Reminders for Part 3

• Play Part 3 only if you have played Part 1 as well as this part

• If you have not played these lessons, please play these to play that quiz