subtraction

SUBTRACTION

Subtraction

• Grade 2

• created by: Nour.

• Supervised by: Dr. Lama

• 6/12/2020

• Math Lesson

Subtraction Video

https://youtu.be/GdXClek-05I

What do we mean by subtraction?

According to the video: subtraction means taking away.

The symbol for subtraction is (-) we call it minus.

Subtraction is the opposite of addition.

Activity time

• quickly run to the kitchen, get 6 spoons, and come back

• now, take away 2 spoons.

• How many spoons do we have now?

• excellent!!!

• 6-2=4

• now you have 4 spoons left

• from those 4 spoons remove 3 spoons

• how many do you have now

• 4-3=1

Quickly run again to the kitchen and return the spoons before your mom gets angry ;)

Let's play a game? READY?

https://wordwall.net/resource/6357063

Here are 7 orange balls, we took away 2 of them. 5 ball are left right? :)

let's solve the other ones :)

Fill in the Blanks

Multiple Choice

Sam has 20 candies in a box.

He ate 2 of them.

He distributed 8 to his friends

How many candies are still with Sam?

• 12

• 9

• 10

Multiple Choice

Let's solve this together.

The zoo has 4 Asian elephants.

one of them died

Then..... elephants are still alive

• 1

• 3

Multiple Choice

HOMEWORK

How many apples do we have?

How many pears do we have?

How many cherries do we have?

How many oranges do we have?

• 4-2=2 apples

  8-3=5 pears

  5-2=3 cherries

  3-1=2 oranges

• 4-2=6 apples

  7-4=3 pears

  4-2=2 cherries

  4-1=3 oranges

Multiple Choice

HOMEWORK

1) white trucks?

2) red cars?

3) brown busses

4) green trucks

• 1) zero

  2) two

  3) four

  4) three

• 1) zero

  2) three

  3) five

  4) three

• 1) two

  2) zero

  3) six

  4) five

Multiple Choice

HOMEWORK

30 books are on table.

Jack came and picked 2

Then Sarah took 5

Then Majed picked 4

How many books are still on the table?

• 19

• 18

• 21