Question:

Adam has 300 stickers.

Bryan has 200 stickers.

How many stickers do they have altogether?

3 m
Bryan has 200 stickers.

How many stickers do they have altogether?

- Which model should we draw?

(1) Model Part-whole

(2) Model Comparison - Is the total given?

(1) Yes

(2) No - Who gets the shorter bar?

(1) Adam

(2) Bryan - What is the total number of stickers?

Adam has 500 stickers at first.

Adam gives away some stickers.

He has 200 stickers left.

How many stickers does he give away?

3 m
Adam gives away some stickers.

He has 200 stickers left.

How many stickers does he give away?

- Which model should we draw?

(1) Model Part-whole

(2) Model Comparison - Is the total given?

(1) Yes

(2) No - Who gets the shorter bar?

(1) At first

(2) Left - Number of stickers that he gives away =

Adam has 700 stickers.

Bryan has 200 stickers.

How many more stickers does Bryan have than Adam?

3 m
Bryan has 200 stickers.

How many more stickers does Bryan have than Adam?

- Which model should we draw?

(1) Model Part-whole

(2) Model Comparison - Is the total given?

(1) Yes

(2) No - Who gets the shorter bar?

(1) Adam

(2) Bryan - What is the total number of stickers?

Find the following values without a calculator.

1 m
- 5 + 20 = _____
- 6 + 13 = _____
- 23 + 8 = _____

Adam has 700 stickers.

Bryan has 200 stickers.

How many more stickers does Bryan have than Adam?

How many stickers do they have altogether?

3 m
Bryan has 200 stickers.

How many more stickers does Bryan have than Adam?

How many stickers do they have altogether?

- Which model should we draw?

(1) Model Part-whole

(2) Model Comparison - Who gets the shorter bar?

(1) Adam

(2) Bryan - How many more stickers does Adam have than B?
- What is the total number of stickers?

Find the following values without a calculator.

1 m
- 15 + 20 = _____
- 22 + 23 = _____
- 26 + 24 = _____

Adam has 800 stickers.

Bryan has 200 stickers.

How many less stickers does Bryan have than Adam?

3 m
Bryan has 200 stickers.

How many less stickers does Bryan have than Adam?

- Which model should we draw?

(1) Model Part-whole

(2) Model Comparison - Is the total given?

(1) Yes

(2) No - Who gets the shorter bar?

(1) Adam

(2) Bryan - What is the total number of stickers?

Find the following values without a calculator.

2 m
- 18 + 11 = _____
- 24 + 21 = _____
- 35 + 23 = _____

Adam and Bryan have 400 stickers.

Adam has 300 stickers.

3 m
Adam has 300 stickers.

- Who has more stickers?

(1) Adam

(2) Bryan - How many more?

Find the following values without a calculator.

1 m
- 25 + 20 = _____
- 34 + 23 = _____
- 32 + 26 = _____