Question:

Find the value of 1 unit.

2 m
- 1 u + 5 = 10
- 5 + 1 u = 10
- 10 = 1 u - 5
- 10 = 5 + 1 u

Adam pays $20.40 for 1 marble and 4 stickers.

The marble costs $1.90 more than each sticker.

3 m
The marble costs $1.90 more than each sticker.

- What is the cost of 1 marble?
- How much is the cost of 4 marbles and 2 stickers?

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 stickers does he have?

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 3 stickers.

Bryan has 2 stickers.

How many stickers do they have altogether?

3 m
Bryan has 2 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 spends $15.70 on 2 stickers and 3 marbles.

A sticker costs $1.10 more than 1 marble.

4 m
A sticker costs $1.10 more than 1 marble.

- How much does 1 sticker cost?
- How much do 4 stickers cost?
- How much do a marble and 4 stickers cost?
- How much do 4 stickers cost more than 1 marble?

Adam and Bryan have 400 stickers.

Adam has 300 stickers.

3 m
Adam has 300 stickers.

- Who has less stickers?

(1) Adam

(2) Bryan - How many less stickers does he have?

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 30 stickers.

Bryan has 20 stickers.

How many stickers do they have altogether?

3 m
Bryan has 20 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?

Find the value of 1 unit.

2 m
- 1 u - 5 = 10
- 10 = 1 u - 5
- 10 - 1 = 1 u - 5
- 10 + 1 = 1 u - 5